WTD: S100 Static RAM card
mhs.stein at gmail.com
Thu Mar 26 18:41:11 CDT 2015
Maybe you could adapt one of John & Andrew's
----- Original Message -----
From: "Philip Lord" <philip at neoncluster.com>
To: "General Discussion: On-Topic and Off-Topic
Posts" <cctalk at classiccmp.org>
Sent: Thursday, March 26, 2015 6:30 PM
Subject: Re: WTD: S100 Static RAM card
Well it’s certainly nice to know the Cromemco is
also another good option if I want to try DRAM
again, but I am feeling that a good SRAM card
maybe a safer option, and possibly easier for me
to repair if anything goes wrong.
Thanks for your thoughts
> On Mar 27, 2015, at 10:32 AM, Mike Stein
> <mhs.stein at gmail.com> wrote:
> FWIW I've never had any problems with Cromemco
> 64KZ-II DRAM cards.
> ----- Original Message ----- From: "Philip Lord"
> <philip at neoncluster.com>
> To: <publicmail at jwsss.com>; "General Discussion:
> On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Sent: Thursday, March 26, 2015 5:19 PM
> Subject: Re: WTD: S100 Static RAM card
> Hi Jim, thanks for the info.
> Always good to know what people think are good
> cards, and what aren’t.
>> On Mar 27, 2015, at 10:13 AM, Jim Stephens
>> <jws at jwsss.com> wrote:
>> 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
>>> - 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
>> Also if you can find Compupro, I suspect it is
>> as likely to be perfect as the IMS boards are.
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