| ReactiveMicro UltraWarrp 13 MHz working with No-Slot Clock? [message #353986] |
Sat, 07 October 2017 22:06  |
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Originally posted by: Matthew Power
First of all, let me praise the UltraWarp. It works great. My IIe FLIES at 13 MHz with A2DeskTop, Beagle Write, IIWrite, AppleWorks, Contiki internet via Uthernet II, etc... The removable crystal is a great feature and I've been having fun exploring lots of different speeds by getting inexpensive crystals from DigiKey.
But I haven't yet found a way to get the UltraWarp to work with my no-slot clock. The original Transwarp handles the NSC fine, and both the ZipChips (4 and 8) handle the NSC if you disable the acceleration on boot and then activate the acceleration after the boot.
Haven't yet seen a way to do it with this card. Has anyone gotten an NSC working with the UltraWarp at any speed?
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| Re: ReactiveMicro UltraWarrp 13 MHz working with No-Slot Clock? [message #376445 is a reply to message #353986] |
Wed, 21 November 2018 20:51  |
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Originally posted by: Ricardo Contieri
Hi Matt,
Not sure if you managed to get this working - as you message is over a year old now: My NSC is working fine with my UW. I have it installed in a II+ clone and in a SSC board (also clone).
What are the issues you are having?
Best,
RC
Em sábado, 7 de outubro de 2017 23:06:53 UTC-3, Matthew Power escreveu:
> First of all, let me praise the UltraWarp. It works great. My IIe FLIES at 13 MHz with A2DeskTop, Beagle Write, IIWrite, AppleWorks, Contiki internet via Uthernet II, etc... The removable crystal is a great feature and I've been having fun exploring lots of different speeds by getting inexpensive crystals from DigiKey.
>
> But I haven't yet found a way to get the UltraWarp to work with my no-slot clock. The original Transwarp handles the NSC fine, and both the ZipChips (4 and 8) handle the NSC if you disable the acceleration on boot and then activate the acceleration after the boot.
>
> Haven't yet seen a way to do it with this card. Has anyone gotten an NSC working with the UltraWarp at any speed?
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| Re: ReactiveMicro UltraWarrp 13 MHz working with No-Slot Clock? [message #376656 is a reply to message #353986] |
Sat, 24 November 2018 23:52 |
STYNX
Messages: 453
Registered: October 2012
Karma: 0
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Senior Member |
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On Sunday, 8 October 2017 04:06:53 UTC+2, Matthew Power wrote:
> First of all, let me praise the UltraWarp. It works great. My IIe FLIES at 13 MHz with A2DeskTop, Beagle Write, IIWrite, AppleWorks, Contiki internet via Uthernet II, etc... The removable crystal is a great feature and I've been having fun exploring lots of different speeds by getting inexpensive crystals from DigiKey.
>
> But I haven't yet found a way to get the UltraWarp to work with my no-slot clock. The original Transwarp handles the NSC fine, and both the ZipChips (4 and 8) handle the NSC if you disable the acceleration on boot and then activate the acceleration after the boot.
>
> Haven't yet seen a way to do it with this card. Has anyone gotten an NSC working with the UltraWarp at any speed?
I have some problems with my _prototype_ Ultrawarp and the NSC as well. It will not be recognized some time. It depends on the software as well. Some software has no problem at all while other software recognizes the NSC less than 50% of the time. I have to reboot for that particular software to recognize the NSC (requires several reboots some time). My Ultrawarp is heavily modified for more speed, though. I had archived 19 Mhz but im running at 16 right now ;-)
-Jonas
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| Re: ReactiveMicro UltraWarrp 13 MHz working with No-Slot Clock? [message #376683 is a reply to message #376656] |
Mon, 26 November 2018 02:15 |
Michael J. Mahon
Messages: 1767
Registered: October 2012
Karma: 0
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Senior Member |
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STYNX <Jonas.Groenhagen@gmx.de> wrote:
> On Sunday, 8 October 2017 04:06:53 UTC+2, Matthew Power wrote:
>> First of all, let me praise the UltraWarp. It works great. My IIe FLIES
>> at 13 MHz with A2DeskTop, Beagle Write, IIWrite, AppleWorks, Contiki
>> internet via Uthernet II, etc... The removable crystal is a great
>> feature and I've been having fun exploring lots of different speeds by
>> getting inexpensive crystals from DigiKey.
>>
>> But I haven't yet found a way to get the UltraWarp to work with my
>> no-slot clock. The original Transwarp handles the NSC fine, and both the
>> ZipChips (4 and 8) handle the NSC if you disable the acceleration on
>> boot and then activate the acceleration after the boot.
>>
>> Haven't yet seen a way to do it with this card. Has anyone gotten an NSC
>> working with the UltraWarp at any speed?
>
> I have some problems with my _prototype_ Ultrawarp and the NSC as well.
> It will not be recognized some time. It depends on the software as well.
> Some software has no problem at all while other software recognizes the
> NSC less than 50% of the time. I have to reboot for that particular
> software to recognize the NSC (requires several reboots some time). My
> Ultrawarp is heavily modified for more speed, though. I had archived 19
> Mhz but im running at 16 right now ;-)
>
> -Jonas
>
The chip used by the NSC is accessed by a specific string of ROM read
accesses on consecutive bus cycles. Is it possible that one or more of
these accesses are not reaching the bus because they are satisfied by the
cache?
After the chip recognizes the key access string, reads to another address
deliver the “response” bits. Since these accesses are to a single address,
caching could interfere with reading the response.
The actual ROM addresses used will depend on the specific ROM the NSC is
placed under.
--
-michael - NadaNet 3.1 and AppleCrate II: http://michaeljmahon.com
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| Re: ReactiveMicro UltraWarrp 13 MHz working with No-Slot Clock? [message #377043 is a reply to message #376656] |
Thu, 29 November 2018 20:57 |
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Originally posted by: Matthew Power
> I have some problems with my _prototype_ Ultrawarp and the NSC as well. It will not be recognized some time. It depends on the software as well. Some software has no problem at all while other software recognizes the NSC less than 50% of the time. I have to reboot for that particular software to recognize the NSC (requires several reboots some time). My Ultrawarp is heavily modified for more speed, though. I had archived 19 Mhz but im running at 16 right now ;-)
>
> -Jonas
For clarification, my IIe is setup to run A2 Desktop from a CFFA3000. A2 Desktop is where I was trying to see the clock.
I'm curious, what mods did you do to get past 13Mhz? The only things I tried speed-wise were swapping out different oscillators. Even at 13.5 the system became unstable.
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| Re: ReactiveMicro UltraWarrp 13 MHz working with No-Slot Clock? [message #377053 is a reply to message #377043] |
Fri, 30 November 2018 01:23 |
STYNX
Messages: 453
Registered: October 2012
Karma: 0
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Senior Member |
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On Friday, 30 November 2018 02:57:01 UTC+1, Matthew Power wrote:
>> I have some problems with my _prototype_ Ultrawarp and the NSC as well.. It will not be recognized some time. It depends on the software as well. Some software has no problem at all while other software recognizes the NSC less than 50% of the time. I have to reboot for that particular software to recognize the NSC (requires several reboots some time). My Ultrawarp is heavily modified for more speed, though. I had archived 19 Mhz but im running at 16 right now ;-)
>>
>> -Jonas
>
> For clarification, my IIe is setup to run A2 Desktop from a CFFA3000. A2 Desktop is where I was trying to see the clock.
>
> I'm curious, what mods did you do to get past 13Mhz? The only things I tried speed-wise were swapping out different oscillators. Even at 13.5 the system became unstable.
It is a different version from the one that was released. It had a few bugs that were corrected with the help of the developer (M. Mengel). We tested some timings and changed some traces to get the highest speed out of the card. Some of the modifications got into the release version of the UW while others were not 100% stable in certain conditions. The memory acccess timings are very tight in my card and it might not work in other Apple IIe computers anymore :-) I have some special TTL ICs installed (like this series: http://www.ti.com/lit/ds/symlink/sn74as1000a.pdf). I used high precision oscillators (<10ppm) with a output drive booster circuit as well. My card is not really a production model ;-)
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