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Monitor [message #287333] Tue, 07 April 2015 08:43 Go to next message
Scott Brant is currently offline  Scott Brant
Messages: 13
Registered: April 2015
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Junior Member
I've got a Performa 450 I just bought off eBay. It had a functioning photo with a 13" vintage Mac monitor.

I've bought the appropriate cables to physically plug it into my 15-20 year old Sony 15" monitor. I can't get it to work.

Any ideas?


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Re: Monitor [message #287338 is a reply to message #287333] Tue, 07 April 2015 09:41 Go to previous messageGo to next message
Carlos Randolph is currently offline  Carlos Randolph
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Registered: March 2015
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Junior Member
The 450 (an LC III) has the standard two-row 15pin port. I'm assuming the
Sony 15" has the standard 3-row VGA 15-pin port. Assuming the Performa and
the Monitor are working, it comes down to your cable. Please describe the
cable you have. Does it have an adapter that goes from 3-row to 2-row
15pins? Does that adapter have dip switches or a rotary dial?

You see, it's not just about the pins matching. The cables themselves tell
the mac what kind of monitor is attached. If you have an adapter or
straight cable that doesn't have any settings then it is set to a single
mode. My guess would be that it is set to 1024x768. The Performa supports
512x384 (12" monitor), 640x480 (13" monitor) and 832x624 (15" monitor)
modes. It came with 512k of VRAM which gives you 16 colors except for the
832x768 mode; take the gram up to 768k and it would support 16 colors in
all modes.

Regardless, the Performa doesn't support 1024x768 so your cable needs to
geared to tell the LC that it's either a 13" or 15" monitor. The follow
eBay auction has one of the adapters with DIPs that allows you to
select/configure the cable settings.

http://www.ebay.com/sch/i.html?_from=R40&_trksid=p4840.m 570.l1313.TR0.TRC0.H0.Xmac+monitor+cable.TRS0&_nkw=mac+m onitor+cable&_sacat=0

CR


On Tuesday, April 7, 2015 at 7:56:08 AM UTC-5, Scott Brant wrote:
>
> I've got a Performa 450 I just bought off eBay. It had a functioning
> photo with a 13" vintage Mac monitor
> I've bought the appropriate cables to physically plug it into my 15-20
> year old Sony 15" monitor. I can't get it to work.
>
> Any ideas?
>
>
>

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Re: Monitor [message #287339 is a reply to message #287333] Tue, 07 April 2015 10:10 Go to previous messageGo to next message
Dylan McDermond is currently offline  Dylan McDermond
Messages: 133
Registered: August 2012
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Senior Member

> On Apr 7, 2015, at 5:43 AM, Scott Brant <sbrant@scottbrant.com> wrote:
>
> I've got a Performa 450 I just bought off eBay. It had a functioning photo with a 13" vintage Mac monitor.
>
> I've bought the appropriate cables to physically plug it into my 15-20 year old Sony 15" monitor. I can't get it to work.
>
> Any ideas?

If the PRAM battery is dead (or missing), replace it or use the “double flip” trick on the power switch.

- Dylan

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Re: Monitor [message #287353 is a reply to message #287333] Tue, 07 April 2015 12:48 Go to previous messageGo to next message
Clark Martin is currently offline  Clark Martin
Messages: 156
Registered: August 2012
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Senior Member
DA-15 (Apple Video) to DE-15 (VGA) cables won't always work as they are set up for specific monitor types. You may need an adapter with switches that you can configure for the specific monitor / computer setup.

It may also be that your monitor doesn't support sync-on-green. Early Macs carried the video sync signal on the green video line. Mac monitors extract the sync. SOME VGA monitors do it, many don't. While there were adapters to extract the sync they were uncommon and quite rare now. If it is sync-on-green you'll need a different monitor. But finding a VGA monitor that supports sync-on-green is problematic, few advertise it or spec it in the manual. I have found some modern LCD monitors support it.

KK6ISP
Yet another designated driver on the information super highway.

> On Apr 7, 2015, at 5:43 AM, Scott Brant <sbrant@scottbrant.com> wrote:
>
> I've got a Performa 450 I just bought off eBay. It had a functioning photo with a 13" vintage Mac monitor.
>
> I've bought the appropriate cables to physically plug it into my 15-20 year old Sony 15" monitor. I can't get it to work.

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RE: Monitor [message #287361 is a reply to message #287353] Tue, 07 April 2015 14:30 Go to previous messageGo to next message
&lt;sbrant is currently offline  &lt;sbrant
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Registered: April 2015
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Junior Member
Thanks to all that helped with this. I'll look into it.



From: vintage-macs@googlegroups.com [mailto:vintage-macs@googlegroups.com] On Behalf Of Clark Martin
Sent: Tuesday, April 07, 2015 11:48 AM
To: vintage-macs@googlegroups.com
Subject: Re: Monitor



DA-15 (Apple Video) to DE-15 (VGA) cables won't always work as they are set up for specific monitor types. You may need an adapter with switches that you can configure for the specific monitor / computer setup.



It may also be that your monitor doesn't support sync-on-green. Early Macs carried the video sync signal on the green video line. Mac monitors extract the sync. SOME VGA monitors do it, many don't. While there were adapters to extract the sync they were uncommon and quite rare now. If it is sync-on-green you'll need a different monitor. But finding a VGA monitor that supports sync-on-green is problematic, few advertise it or spec it in the manual. I have found some modern LCD monitors support it.

KK6ISP

Yet another designated driver on the information super highway.


On Apr 7, 2015, at 5:43 AM, Scott Brant <sbrant@scottbrant.com <mailto:sbrant@scottbrant.com> > wrote:

I've got a Performa 450 I just bought off eBay. It had a functioning photo with a 13" vintage Mac monitor.

I've bought the appropriate cables to physically plug it into my 15-20 year old Sony 15" monitor. I can't get it to work.

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Support for older Macs: http://lowendmac.com/services/
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Re: Monitor [message #287368 is a reply to message #287353] Tue, 07 April 2015 19:32 Go to previous messageGo to next message
Kevin Dady is currently offline  Kevin Dady
Messages: 55
Registered: April 2015
Karma: 0
Member
when I got my performa 430 I went though a round of LCD screens, least a
dozen of them, none would accept the mac signal (a 15 inch IBM model did
but displayed a irremovable nag message dead center) what did work, other
than my year 2000 nec / mitsubushi multisync lcd, was a el-cheapo HDTV with
VGA input, which is handy for my other vintage computers and games on 1
screen

PS: I rolled my own cable to work as a 13 inch 640x480 screen

On Tuesday, April 7, 2015 at 11:48:20 AM UTC-5, Clark Martin wrote:
>
> DA-15 (Apple Video) to DE-15 (VGA) cables won't always work as they are
> set up for specific monitor types. You may need an adapter with switches
> that you can configure for the specific monitor / computer setup.
>
> It may also be that your monitor doesn't support sync-on-green. Early
> Macs carried the video sync signal on the green video line. Mac monitors
> extract the sync. SOME VGA monitors do it, many don't. While there were
> adapters to extract the sync they were uncommon and quite rare now. If it
> is sync-on-green you'll need a different monitor. But finding a VGA
> monitor that supports sync-on-green is problematic, few advertise it or
> spec it in the manual. I have found some modern LCD monitors support it.
>
> KK6ISP
> Yet another designated driver on the information super highway.
>
> On Apr 7, 2015, at 5:43 AM, Scott Brant <sbr...@scottbrant.com
> <javascript:>> wrote:
>
> I've got a Performa 450 I just bought off eBay. It had a functioning
> photo with a 13" vintage Mac monitor.
>
> I've bought the appropriate cables to physically plug it into my 15-20
> year old Sony 15" monitor. I can't get it to work.
>
>

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Re: Monitor [message #287370 is a reply to message #287368] Tue, 07 April 2015 21:15 Go to previous messageGo to next message
Scott Brant is currently offline  Scott Brant
Messages: 13
Registered: April 2015
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Junior Member
Did you notice anything different. I know my adapter does not have switches.



> On Apr 7, 2015, at 6:32 PM, Kevin Dady <osgeld@cheesefactory.us> wrote:
>
> when I got my performa 430 I went though a round of LCD screens, least a dozen of them, none would accept the mac signal (a 15 inch IBM model did but displayed a irremovable nag message dead center) what did work, other than my year 2000 nec / mitsubushi multisync lcd, was a el-cheapo HDTV with VGA input, which is handy for my other vintage computers and games on 1 screen
>
> PS: I rolled my own cable to work as a 13 inch 640x480 screen
>
>> On Tuesday, April 7, 2015 at 11:48:20 AM UTC-5, Clark Martin wrote:
>> DA-15 (Apple Video) to DE-15 (VGA) cables won't always work as they are set up for specific monitor types. You may need an adapter with switches that you can configure for the specific monitor / computer setup.
>>
>> It may also be that your monitor doesn't support sync-on-green. Early Macs carried the video sync signal on the green video line. Mac monitors extract the sync. SOME VGA monitors do it, many don't. While there were adapters to extract the sync they were uncommon and quite rare now. If it is sync-on-green you'll need a different monitor. But finding a VGA monitor that supports sync-on-green is problematic, few advertise it or spec it in the manual. I have found some modern LCD monitors support it.
>>
>> KK6ISP
>> Yet another designated driver on the information super highway.
>>
>>> On Apr 7, 2015, at 5:43 AM, Scott Brant <sbr...@scottbrant.com> wrote:
>>>
>>> I've got a Performa 450 I just bought off eBay. It had a functioning photo with a 13" vintage Mac monitor.
>>>
>>> I've bought the appropriate cables to physically plug it into my 15-20 year old Sony 15" monitor. I can't get it to work.
>
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> You received this message because you are a member of the Vintage Macs group.
> The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml
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>
> Support for older Macs: http://lowendmac.com/services/
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Re: Monitor [message #287375 is a reply to message #287370] Wed, 08 April 2015 16:01 Go to previous messageGo to next message
Kevin Dady is currently offline  Kevin Dady
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Registered: April 2015
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Member
I specifically made my cable with the appropriate configuration for a
640x480 display, I am unsure if there is a way around it on on 68k mac's
... the only time I used an adapter without jumpers or switches was on
beige power pc's

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RE: Monitor [message #287376 is a reply to message #287375] Wed, 08 April 2015 16:50 Go to previous messageGo to next message
&lt;sbrant is currently offline  &lt;sbrant
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Thanks!



Does anyone out there have a 68K era monitor they want to sell?



From: vintage-macs@googlegroups.com [mailto:vintage-macs@googlegroups.com] On Behalf Of Kevin Dady
Sent: Wednesday, April 08, 2015 3:02 PM
To: vintage-macs@googlegroups.com
Subject: Re: Monitor



I specifically made my cable with the appropriate configuration for a 640x480 display, I am unsure if there is a way around it on on 68k mac's ... the only time I used an adapter without jumpers or switches was on beige power pc's

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Re: Monitor [message #287377 is a reply to message #287376] Wed, 08 April 2015 17:07 Go to previous messageGo to next message
Dylan McDermond is currently offline  Dylan McDermond
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Registered: August 2012
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Senior Member

> On Apr 8, 2015, at 1:50 PM, <sbrant@scottbrant.com> <sbrant@scottbrant.com> wrote:
>
> Thanks!
>
> Does anyone out there have a 68K era monitor they want to sell?

Where are you located?

- Dylan

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Re: Monitor [message #287378 is a reply to message #287377] Wed, 08 April 2015 17:46 Go to previous messageGo to next message
vintage-macs is currently offline  vintage-macs
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From: Dylan McDermond <dylan@mcdermond.net>
To: vintage-macs@googlegroups.com
Sent: Wednesday, April 8, 2015 5:07 PM
Subject: Re: Monitor


> On Apr 8, 2015, at 1:50 PM, <sbrant@scottbrant.com> <sbrant@scottbrant.com> wrote:
>
> Thanks!
>  
> Does anyone out there have a 68K era monitor they want to sell?

Where are you located?

- Dylan


Excellent question, I have several for sale in Connecticut, USA. Very Expensive to ship, pickup would be the way to to go. You may get lucky and find one in a local thrift store. -- glen

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Re: Monitor [message #287379 is a reply to message #287368] Wed, 08 April 2015 18:17 Go to previous messageGo to next message
vintage-macs is currently offline  vintage-macs
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It's not about the size of the monitor, it's about resolution. Many macs can support different resolution, from 640 x 480 up. I do not have any more of this data handy unfortunately. You need to, iirc, short certain pins together for it to boot into a certain resolution. There should be a diagram or data somewhere. I routinely used to make these, in the mid 90s, to support single resolution fixed frequency monitors that I would find on the surplus market and sell them to Mac users. I still have a couple HP/Sony units tucked away.
 Don't just start experimenting. You need to either buy a dongle or a cable (that has the pins already configured). I have a few Sony dongles in storage, but on one side they plug into a 15 pin Apple card/connector, a VGA cable on the other side. Probably not what the op is looking for.
 

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Re: Monitor [message #287380 is a reply to message #287376] Wed, 08 April 2015 18:19 Go to previous messageGo to next message
vintage-macs is currently offline  vintage-macs
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all 68020 and up Macs had to have the cable's sense pins configured. I can't say when this became unnecessary.

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speaking of monitors ... was Re: Monitor [message #287381 is a reply to message #287378] Wed, 08 April 2015 18:22 Go to previous messageGo to next message
vintage-macs is currently offline  vintage-macs
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If anyone in the NJ area or it's environs has a big (used to be called two page) black and white monitor in good shape I may be interested. The accompanying card would be moocho nice-o too. I have an old HP UX workstation monitor, 98788a, but I have tried hooking it to anything yet.

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Re: Monitor [message #287382 is a reply to message #287377] Wed, 08 April 2015 18:24 Go to previous messageGo to next message
Scott Brant is currently offline  Scott Brant
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Near Kansas City MO



> On Apr 8, 2015, at 4:07 PM, Dylan McDermond <dylan@mcdermond.net> wrote:
>
>
>> On Apr 8, 2015, at 1:50 PM, <sbrant@scottbrant.com> <sbrant@scottbrant.com> wrote:
>>
>> Thanks!
>>
>> Does anyone out there have a 68K era monitor they want to sell?
>
> Where are you located?
>
> - Dylan
>
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Re: Monitor [message #287383 is a reply to message #287379] Wed, 08 April 2015 18:25 Go to previous messageGo to next message
Scott Brant is currently offline  Scott Brant
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Can you tell me more about the Sony dongle?



> On Apr 8, 2015, at 5:17 PM, 'Chris Tofu' via Vintage Macs <vintage-macs@googlegroups.com> wrote:
>
> It's not about the size of the monitor, it's about resolution. Many macs can support different resolution, from 640 x 480 up. I do not have any more of this data handy unfortunately. You need to, iirc, short certain pins together for it to boot into a certain resolution. There should be a diagram or data somewhere. I routinely used to make these, in the mid 90s, to support single resolution fixed frequency monitors that I would find on the surplus market and sell them to Mac users. I still have a couple HP/Sony units tucked away.
> Don't just start experimenting. You need to either buy a dongle or a cable (that has the pins already configured). I have a few Sony dongles in storage, but on one side they plug into a 15 pin Apple card/connector, a VGA cable on the other side. Probably not what the op is looking for.
>
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Re: Monitor [message #287384 is a reply to message #287383] Wed, 08 April 2015 18:40 Go to previous messageGo to next message
Doug Kiekow is currently offline  Doug Kiekow
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FWIW I use Dell 15” LCDs on a variety of vintage macs. Mostly thru the switched connectors, but on IIsi’s the non switched 640x480 works best. If you need to make your own the Knowledge Base article "Macintosh Monitor Sense Codes: Technical Description” describes the sense pins, and how they need to be connected.

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Re: Monitor [message #287427 is a reply to message #287384] Wed, 08 April 2015 19:38 Go to previous messageGo to next message
Kevin Dady is currently offline  Kevin Dady
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I tried a dell 15 inch and a 17 inch, the 15 inch had a V shaped base and
it would just blackscreen and present nag message about mode not supported,
the 17 inch (which I still have) has that oval base with the middle cut
out, it would just blink

no doubt there are a gazillion models of dell monitors, but those are the 2
I tried with no luck

On Wednesday, April 8, 2015 at 5:40:36 PM UTC-5, Doug Kiekow wrote:
>
> FWIW I use Dell 15” LCDs on a variety of vintage macs. Mostly thru the
> switched connectors, but on IIsi’s the non switched 640x480 works best. If
> you need to make your own the Knowledge Base article "Macintosh Monitor
> Sense Codes: Technical Description” describes the sense pins, and how
> they need to be connected.
>
>

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Re: Monitor [message #287428 is a reply to message #287427] Wed, 08 April 2015 20:55 Go to previous messageGo to next message
Doug Kiekow is currently offline  Doug Kiekow
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Never tried a 17”, doubt if the vram i’ve got would support that pixel density. Currently connected: Dell 1505FP to a IIsi, Dell 1505FP to a Quadra 950, Dell E152FPb to a PowerMac 7200. Also have a Dell E152FPb connected to an Apple //gs, but that is through a strange video game-to-monitor board. Last is a Vision Sciences CTscan medical monitor connected to a Quadra 800. Some of the connectors will only work on certain machines, and it’s best to start at 640x480 and work up.

> On Apr 8, 2015, at 18·38 , Kevin Dady <osgeld@cheesefactory.us> wrote:
>
> no doubt there are a gazillion models of dell monitors

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Re: Monitor [message #287473 is a reply to message #287428] Thu, 09 April 2015 18:54 Go to previous messageGo to next message
vintage-macs is currently offline  vintage-macs
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Again it has nothing to do w/the size of the monitor. Some monitors are multisyncs, and can accommodate a range of resolution (earliest NEC M* and M* 2 couldn't even support 800 x 600, only 800 x 560 according to the documentation. So officially it could only support the 640 x 480 mode). But using it in the 800 x 600 mode, if the card/mainboard supported it, probably wouldn't be a huge detriment to the monitor. The last tube multisync commonly available probably supported resolution from 640 x 480 all the way up to 1280 x 1024, at least. You could get all those on a single monitor.
 From what I remember the PowerMac 6100 (first issue?) would only operate up to 800 x 600, therefore impossible to use w/a single frequency 64khz monitor (1024 x768 @ 75hz, yes, 1280 x 1024 @ 60 hz yes). All the others would do higher resolutions. The single frequency monitors can _only_ support more then one resolution if the vertical refresh allowed it. Do the math. 768 x 75 = 57,600 hz or 57.6khz. Close enough for a 64 khz monitor (all video has a certain amount of invisible lines, called overscan, so the actual output from such a card is closer to 60-62 khz anyway. 1024 x 60 = 61,440 or 61.44khz, probably closer to 63-64 so you're right there. The monitor itself also has to support multiple vertical refresh rates (60 - 75hz), which w/most 'modern' monitors (post 1986) is usually the case. 
 Confused? It's all pretty simple. But the size of the screen is immaterial. That's just Apple's internal scheme for simplifying it for less technical folk. At some point Apple must have supplied multisyncs.

From: Doug Kiekow <dougyk@me.com>
To: vintage-macs@googlegroups.com
Sent: Wednesday, April 8, 2015 8:55 PM
Subject: Re: Monitor

Never tried a 17”, doubt if the vram i’ve got would support that pixel density.  Currently connected: Dell 1505FP to a IIsi, Dell 1505FP to a Quadra 950, Dell E152FPb to a PowerMac 7200. Also have a Dell E152FPb connected to an Apple //gs, but that is through a strange video game-to-monitor board. Last is a Vision Sciences CTscan medical monitor connected to a Quadra 800. Some of the connectors will only work on certain machines, and it’s best to start at 640x480 and work up.



On Apr 8, 2015, at 18·38 , Kevin Dady <osgeld@cheesefactory.us> wrote:
no doubt there are a gazillion models of dell monitors

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Re: Monitor [message #288399 is a reply to message #287333] Thu, 23 April 2015 15:52 Go to previous messageGo to next message
Cameron MacLachlan is currently offline  Cameron MacLachlan
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I have and currently use an LC III with a more modern LCD monitor (a Dell
from around 2005 or so). I made my own adapter following this document
from Apple:
https://support.apple.com/kb/TA28939?locale=en_US&viewlo cale=en_US

Works well at 640x480 resolution.

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RE: Monitor [message #288400 is a reply to message #288399] Thu, 23 April 2015 16:23 Go to previous messageGo to next message
&lt;sbrant is currently offline  &lt;sbrant
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Thanks!



From: vintage-macs@googlegroups.com [mailto:vintage-macs@googlegroups.com] On Behalf Of Cameron MacLachlan
Sent: Thursday, April 23, 2015 2:53 PM
To: vintage-macs@googlegroups.com
Subject: Re: Monitor



I have and currently use an LC III with a more modern LCD monitor (a Dell from around 2005 or so). I made my own adapter following this document from Apple: https://support.apple.com/kb/TA28939?locale=en_US < https://support.apple.com/kb/TA28939?locale=en_US&viewlo cale=en_US> &viewlocale=en_US

Works well at 640x480 resolution.

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Re: Monitor [message #289139 is a reply to message #287333] Fri, 08 May 2015 16:25 Go to previous messageGo to next message
Jeremy Harton is currently offline  Jeremy Harton
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I have a 15" Dell lcd monitor I use with my LC II, but I use an short
adapter with dip switches that goes between the monitors VGA cable and the
Mac. The screen is probably of a similar vintage to those mentioned below
(early - mid 2000s).

The adapter I have is one of these ->
http://www.amazon.com/Adapter-DB15-Male-HD15-Female/dp/B0016 OC1J2/ although
I don't remember it costing $13. Mine came with a foldout sheet describing
the various settings and I had to play around with them a bit to find the
right one.

Dell 1907FP
http://eiera.mo.gov/files/Item_Number_00359.pdf
under 'Electrical' on page 7:
"Synchronization input signals Separate horizontal and vertical
synchronizations, polarity-free TTL level, SOG (Composite SYNC on green)"
* perhaps this is a standard feature for Dell monitors?

On Tuesday, April 7, 2015 at 8:56:08 AM UTC-4, Scott Brant wrote:
>
> I've got a Performa 450 I just bought off eBay. It had a functioning
> photo with a 13" vintage Mac monitor.
>
> I've bought the appropriate cables to physically plug it into my 15-20
> year old Sony 15" monitor. I can't get it to work.
>
> Any ideas?
>
>
>

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RE: Monitor [message #289140 is a reply to message #289139] Fri, 08 May 2015 16:32 Go to previous messageGo to next message
&lt;sbrant is currently offline  &lt;sbrant
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Can you tell me what your dip switch settings are?



Thanks!



From: vintage-macs@googlegroups.com [mailto:vintage-macs@googlegroups.com] On Behalf Of J Harton
Sent: Friday, May 08, 2015 3:25 PM
To: vintage-macs@googlegroups.com
Subject: Re: Monitor



I have a 15" Dell lcd monitor I use with my LC II, but I use an short adapter with dip switches that goes between the monitors VGA cable and the Mac. The screen is probably of a similar vintage to those mentioned below (early - mid 2000s).

The adapter I have is one of these -> http://www.amazon.com/Adapter-DB15-Male-HD15-Female/dp/B0016 OC1J2/ although I don't remember it costing $13. Mine came with a foldout sheet describing the various settings and I had to play around with them a bit to find the right one.

Dell 1907FP
http://eiera.mo.gov/files/Item_Number_00359.pdf
under 'Electrical' on page 7:
"Synchronization input signals Separate horizontal and vertical synchronizations, polarity-free TTL level, SOG (Composite SYNC on green)"
* perhaps this is a standard feature for Dell monitors?

On Tuesday, April 7, 2015 at 8:56:08 AM UTC-4, Scott Brant wrote:

I've got a Performa 450 I just bought off eBay. It had a functioning photo with a 13" vintage Mac monitor.

I've bought the appropriate cables to physically plug it into my 15-20 year old Sony 15" monitor. I can't get it to work.

Any ideas?



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Re: Monitor [message #289146 is a reply to message #289140] Fri, 08 May 2015 17:32 Go to previous messageGo to next message
vintage-macs is currently offline  vintage-macs
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Senior Member
I have only ever had trouble with a single Macintosh regarding this, a IIsi, and I had tried several dongles shutting down and flipping DIP switches and restarting until the PSU finally blew on the IIsi. I still need to source three small capacitors. I had even bought a replacement video card and plugged that in with no effect.
As for my LCII, LC475 and some Performa 6XX's, I used an original unbranded DA15 to VGA adaptor from 1996 - no DIP switches - and an old 14" no-name VGA monitor I picked up in PCWorld on sale about 12 years ago. It's rated for 1024x768 (but also works on 800x600) and works nicely on 640x480 as I have upgraded the VRAM to the full amount on each Mac. I have a 12" Mac monitor (came with the LCII) but it's in pieces awaiting a full recap.
Obviously this 14" monitor is special, maybe because of the lower resolution, or its age.
I did use a Griffin dongle (dView maybe) on a friend's LCIII but I don't remember the DIP settings. She was connecting it to a massive 19" WS monitor and it took about 40 minutes going through all of the settings on three dongles before we found one that worked.
I may make my own adaptors for other Macs based on what Cameron mentioned.
Sorry, I'm of no help to you.
Keith


On Friday, 8 May 2015, 21:32, "sbrant@scottbrant.com" <sbrant@scottbrant.com> wrote:


#yiv1768054992 #yiv1768054992 -- _filtered #yiv1768054992 {panose-1:2 4 5 3 5 4 6 3 2 4;} _filtered #yiv1768054992 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;}#yiv1768054992 #yiv1768054992 p.yiv1768054992MsoNormal, #yiv1768054992 li.yiv1768054992MsoNormal, #yiv1768054992 div.yiv1768054992MsoNormal {margin:0in;margin-bottom:.0001pt;font-size:12.0pt;}#yiv1768 054992 a:link, #yiv1768054992 span.yiv1768054992MsoHyperlink {color:blue;text-decoration:underline;}#yiv1768054992 a:visited, #yiv1768054992 span.yiv1768054992MsoHyperlinkFollowed {color:purple;text-decoration:underline;}#yiv1768054992 p {margin-right:0in;margin-left:0in;font-size:12.0pt;}#yiv1768 054992 span.yiv1768054992highlight {}#yiv1768054992 span.yiv1768054992EmailStyle19 {color:#1F497D;}#yiv1768054992 .yiv1768054992MsoChpDefault {} _filtered #yiv1768054992 {margin:1.0in 1.0in 1.0in 1.0in;}#yiv1768054992 div.yiv1768054992WordSection1 {}#yiv1768054992 Can you tell me what your dip switch settings are?  Thanks!  From: vintage-macs@googlegroups.com [mailto:vintage-macs@googlegroups.com] On Behalf Of J Harton
Sent: Friday, May 08, 2015 3:25 PM
To: vintage-macs@googlegroups.com
Subject: Re: Monitor  I have a 15" Dell lcd monitor I use with my LC II, but I use an short adapter with dip switches that goes between the monitors VGA cable and the Mac. The screen is probably of a similar vintage to those mentioned below (early - mid 2000s).

The adapter I have is one of these -> http://www.amazon.com/Adapter-DB15-Male-HD15-Female/dp/B0016 OC1J2/ although I don't remember it costing $13. Mine came with a foldout sheet describing the various settings and I had to play around with them a bit to find the right one.

Dell 1907FP
http://eiera.mo.gov/files/Item_Number_00359.pdf
under 'Electrical' on page 7:
"Synchronization input signals          Separate horizontal and vertical synchronizations, polarity-free TTL level, SOG (Composite SYNC on green)"
* perhaps this is a standard feature for Dell monitors?

On Tuesday, April 7, 2015 at 8:56:08 AM UTC-4, Scott Brant wrote:
I've got a Performa 450 I just bought off eBay.  It had a functioning photo with a 13" vintage Mac monitor.

I've bought the appropriate cables to physically plug it into my 15-20 year old Sony 15" monitor.  I can't get it to work.

Any ideas?


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Re: Monitor [message #289164 is a reply to message #289146] Sat, 09 May 2015 00:17 Go to previous message
Scott Brant is currently offline  Scott Brant
Messages: 13
Registered: April 2015
Karma: 0
Junior Member
It's all good, I only bought this for nostalgia, and only have about $100 in the full setup of keyboard, mouse, performa 475, 2 video adapters, video cable, Ethernet card, and vga switch box.

I have two flat panel monitors plugged into my dell, and am trying with the smaller monitor that is vga, the other is dvi.

I know the 475 works because of an eBay pic from the seller, but don't want another monitor, especially a crt if I can avoid it... both due to weight, size, and cost of shipping and purchase.

I'll get it working some day, I just have bigger and better priorities now.

Thanks!



> On May 8, 2015, at 4:32 PM, 'Keith Jamison' via Vintage Macs <vintage-macs@googlegroups.com> wrote:
>
> I have only ever had trouble with a single Macintosh regarding this, a IIsi, and I had tried several dongles shutting down and flipping DIP switches and restarting until the PSU finally blew on the IIsi. I still need to source three small capacitors. I had even bought a replacement video card and plugged that in with no effect.
>
> As for my LCII, LC475 and some Performa 6XX's, I used an original unbranded DA15 to VGA adaptor from 1996 - no DIP switches - and an old 14" no-name VGA monitor I picked up in PCWorld on sale about 12 years ago. It's rated for 1024x768 (but also works on 800x600) and works nicely on 640x480 as I have upgraded the VRAM to the full amount on each Mac. I have a 12" Mac monitor (came with the LCII) but it's in pieces awaiting a full recap.
>
> Obviously this 14" monitor is special, maybe because of the lower resolution, or its age.
>
> I did use a Griffin dongle (dView maybe) on a friend's LCIII but I don't remember the DIP settings. She was connecting it to a massive 19" WS monitor and it took about 40 minutes going through all of the settings on three dongles before we found one that worked.
>
> I may make my own adaptors for other Macs based on what Cameron mentioned.
>
> Sorry, I'm of no help to you.
>
> Keith
>
>
>
> On Friday, 8 May 2015, 21:32, "sbrant@scottbrant.com" <sbrant@scottbrant.com> wrote:
>
>
> Can you tell me what your dip switch settings are?
>
> Thanks!
>
> From: vintage-macs@googlegroups.com [mailto:vintage-macs@googlegroups.com] On Behalf Of J Harton
> Sent: Friday, May 08, 2015 3:25 PM
> To: vintage-macs@googlegroups.com
> Subject: Re: Monitor
>
> I have a 15" Dell lcd monitor I use with my LC II, but I use an short adapter with dip switches that goes between the monitors VGA cable and the Mac. The screen is probably of a similar vintage to those mentioned below (early - mid 2000s).
>
> The adapter I have is one of these -> http://www.amazon.com/Adapter-DB15-Male-HD15-Female/dp/B0016 OC1J2/ although I don't remember it costing $13. Mine came with a foldout sheet describing the various settings and I had to play around with them a bit to find the right one.
>
> Dell 1907FP
> http://eiera.mo.gov/files/Item_Number_00359.pdf
> under 'Electrical' on page 7:
> "Synchronization input signals Separate horizontal and vertical synchronizations, polarity-free TTL level, SOG (Composite SYNC on green)"
> * perhaps this is a standard feature for Dell monitors?
>
> On Tuesday, April 7, 2015 at 8:56:08 AM UTC-4, Scott Brant wrote:
> I've got a Performa 450 I just bought off eBay. It had a functioning photo with a 13" vintage Mac monitor.
>
> I've bought the appropriate cables to physically plug it into my 15-20 year old Sony 15" monitor. I can't get it to work.
>
> Any ideas?
>
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