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Re: Using AGP 8x card in AGP 4x ADC compatible slot [message #237709] Sat, 25 January 2014 09:03 Go to next message
Kris Tilford is currently offline  Kris Tilford
Messages: 133
Registered: August 2012
Karma: 0
Senior Member
On Jan 25, 2014, at 5:49 AM, Chris Nova <chrisnova777@gmail.com> wrote:

> just a heads up to anyone whos trying to do this to a quicksilver 2001. ***DONT DO IT***
> i just fried my G4 867mhz quicksilver by trying this with a 9600XT graphics card (mac G5 OEM card)
> the power supply is completely fried and will not power up.
>
> its not worth it. just keep using the thing with a geforce2 or geforce 4 card
> bettr to have a working computer then a dead one.
>
> i really wish i hadnt tried this -- thanks to all the morons who posted that this worked great because it
> doesnt..dont try this u will fry your power supply AND/OR the logic board
> nowhere else will u read that there is a risk of that. i would never have tried it if i knew there was even a remote possibility
> that i could fry the power supply.

There’s a hack for adapting an standard PC ATX power supply into G4s, might be cheaper and safer (no 28v line for ADC) if you’re going to try your 9600XT again (assuming it’s not fried also?). Google “G4 ATX” and you can find lots of info for either modding yourself, or buying something.

Many people that have posted success with the method of modifying pins 3 & 11 for using AGPx8 cards in AGPx4 Macs. You’re the first person I’ve ever heard of that fried a power supply. I suspect your modification of pins 3 & 11 wasn’t quite correct. You need to pay very close attention to details when modding computers, any small mistake can be very costly, as you’ve learned. G4 values aren’t very much these days, so it’s not a great loss. I’d move on to something Intel that can run current Mac software. You can probably setup a Mavericks 10.9 compatible hackintosh PC for $100 or $150 total if you buy used. I’d forget about the G4 as “lesson learned" and upgrade to something Intel.

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Re: Using AGP 8x card in AGP 4x ADC compatible slot [message #238887 is a reply to message #237709] Sun, 26 January 2014 01:35 Go to previous messageGo to next message
Manoah F. Adams is currently offline  Manoah F. Adams
Messages: 14
Registered: August 2013
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Junior Member


> On Jan 25, 2014, at 06:03 , Kris Tilford wrote:
>
>> There’s a hack for adapting an standard PC ATX power supply into
>> G4s, might be cheaper and safer (no 28v line for ADC) if you’re
>> going to try your 9600XT again (assuming it’s not fried also?).
>> Google “G4 ATX” and you can find lots of info for either modding
>> yourself, or buying something.
>>

Thanks for that note ... I'll be looking into that. ... I've acquired
several G4s with blown power supplies including a MDD that I'd like
to start using,
(seems to me the P.S. is the most common failure on G4s - just like
the G5s always have coolant system troubles.)

Back to original topic,
I've tried all the easy possibilities, and am back to what you
suggested about the card firmware.
I have downloaded the software and instructions, but unfortunately no
os-x version available so I'll have to wait until I can find a PC
with an AGP slot (I really never thought I'd need a PC again ! ).


Manoah F. Adams
mhfadams@gmail.com
info: https://federaladamsfamily.com/developer

This message is signed with a certificate and-or PGP key.
Disregard any unverified messages from this address.
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Re: Using AGP 8x card in AGP 4x ADC compatible slot [message #240127 is a reply to message #238887] Mon, 27 January 2014 07:00 Go to previous message
faithie999 is currently offline  faithie999
Messages: 9
Registered: August 2012
Karma: 0
Junior Member
in my experience with flashing PC cards in a PC, i use an old PCI video
card so that i can see what is happening to the AGP card throughout the
flashing process.

there is a command in the NVFlash.exe tool that will let you know what slot
each card is in, so that when you issue the command to copy the new rom to
the agp card, you select the right card.

the strangedogs forum is long gone, i believe. themacelite forum is all
that's left, but it is a good place to find instructions, links to the
flashing tool, and a good database of rim's.



On Sunday, January 26, 2014 1:35:21 AM UTC-5, mhfadams wrote:
>
>
>
> On Jan 25, 2014, at 06:03 , Kris Tilford wrote:
>
> There’s a hack for adapting an standard PC ATX power supply into G4s,
> might be cheaper and safer (no 28v line for ADC) if you’re going to try
> your 9600XT again (assuming it’s not fried also?). Google “G4 ATX” and you
> can find lots of info for either modding yourself, or buying something.
>
>
> Thanks for that note ... I'll be looking into that. ... I've acquired
> several G4s with blown power supplies including a MDD that I'd like to
> start using,
> (seems to me the P.S. is the most common failure on G4s - just like the
> G5s always have coolant system troubles.)
>
> Back to original topic,
> I've tried all the *easy* possibilities, and am back to what you
> suggested about the card firmware.
> I have downloaded the software and instructions, but unfortunately no os-x
> version available so I'll have to wait until I can find a PC with an AGP
> slot (I really never thought I'd need a PC again ! ).
>
>
> Manoah F. Adams
> mhfa...@gmail.com <javascript:>
> info: https://federaladamsfamily.com/developer
>
> This message is signed with a certificate and-or PGP key.
> Disregard any unverified messages from this address.
> ===========
>

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You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs.
The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml
To post to this group, send email to g3-5-list@googlegroups.com
For more options, visit this group at http://groups.google.com/group/g3-5-list

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