WTD: S100 Static RAM card
jws at jwsss.com
Thu Mar 26 16:13:48 CDT 2015
On 3/26/2015 1:34 PM, Philip Lord wrote:
> Hi all,
> I’ve been struggling getting a 64k Dynamic RAM card back up and working in my IMSAI 8080. In fact I’m giving up on the DRAM card in this system and have decided to start looking for a SRAM card that can get the IMSAI up to 56k.
> In terms if SRAM cards, I presently have:
> 2 x Problem solver RAM16 cards - both seem to be working.
> 2 x 8K RAM cards - both seem to be working.
> Less cards generating heat, and putting stress on the old power supply is obviously best, so I’d be looking for either:
> - 1 x 16k SRAM card (for a total of 4 RAM cards (3 x 16k + 1 x 8k) in my system). A PSS RAM16 would be preferred for sake of consistency, but obviously not crucial.
> - 1 x 32k SRAM card (for a total of 3 RAM cards (1 x 32k, 1 x 16k + 1 x 8k) in my system)
> - 1 x 64k SRAM card that can have the last 8k bank turned off
> I would love to hear from anyone with one of the above cards who would be willing to pass it on.
> Much thanks for your time.
> Best regards
I do not have any to pass on, but in the day, you couldn't do better
than IMS 16k's I also had a Tarbell CPU with 256k of Dram, and that was
the only dynamic ram I ever had in an S100 system.
Also if you can find Compupro, I suspect it is as likely to be perfect
as the IMS boards are.
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