Good memory board for Heath H-11?
Rich Cini
rich.cini at verizon.net
Tue Feb 9 21:18:09 CST 2016
Thanks guys. This is really helpful. I was getting confused between the M8044 and M7944 boards. Max memory for the LSI-11 is 32kw, right?
Rich Cini
Sent from my iPad
> On Feb 9, 2016, at 9:47 PM, COURYHOUSE at aol.com wrote:
>
> I have not opened up ours yet but I always assumed they were all DEC
> boards.
> Ed# _www.smecc.org_ (http://www.smecc.org)
>
>
> In a message dated 2/9/2016 7:36:05 P.M. US Mountain Standard Time,
> glen.slick at gmail.com writes:
>
> On Tue, Feb 9, 2016 at 6:08 PM, Richard Cini <rich.cini at verizon.net>
> wrote:
>> All —
>>
>> I picked-up a Heath H-11 machine the other day and it has a single 4kw
> memory board. From my prior experiences with DEC (an 11/34a many years ago;
> now at the RI Computer Museum), I know my way around the field guide…but I’
> m having trouble trying to identify the correct module number suitable for
> the LSI-11 CPU. Even though it’s a Heath machine, I assume it’s module
> compatible with DEC. Any help would be appreciated. Thanks!
>>
>> Rich
>
> Maybe an M8044 MSV11-D (no parity) or M8045 MSV11-E (parity) would be
> most appropriate. They came in 4KW, 8KW, 16KW, and 32KW flavors.
>
> http://manx.classiccmp.org/collections/antonio/dec/msv1dop1.pdf
>
> Fairly common on eBay.
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