[vcf-midatlantic] ram card identification?

william degnan billdegnan at gmail.com
Mon Nov 7 13:30:16 EST 2016

On Mon, Nov 7, 2016 at 1:20 PM, Neil Cherry via vcf-midatlantic <
vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:

> On 11/07/2016 12:07 PM, Steven Michelsen via vcf-midatlantic wrote:
>> Hmmmm..... six switches.... could that equal 6 banks of 64k?  I hate to
>> guess at this.
> Highly unlikely, the AST reference page seems to ring a bell.
> I see that minuszerodegrees has a page on AST cards with plenty of options
>> for switches, but which one might represent mine?
>> http://www.minuszerodegrees.net/manuals/AST/Cards/Many%20AST%20cards.txt
> Rough guess:
> 6 dips sw. (note that sw7 is NA and that SW8 is parity which your board
> doesn't have).
> See how your current switches match up with the existing board. Assume
> that it was working but that the memory board may not have the correct
> initial addressing. I do recall you said it worked when the case was
> open. This gives us starting point to intelligently guess.
> Oddly enough I only owned 1 PC clone that ran DOS. My work machines
> were Windows (or OS9 & Flex). None were the type of PC clone that would
> need this board. Although I built dozens of the clones. Those usually
> the memory on board (3x256KB or 4x256KB). The one DOS machine I had was
> a Packard Bell and was a bad clone.
Which model is this?  A six pak?


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