Identifying Machine for DEC Memory

[Rob Jarratt]

This is the listing: https://www.ebay.co.uk/itm/VIntage-DEC-VS4000-memory-SIMM-50-19464-02/223624600040

Regards

Rob

> -----Original Message-----
> From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of Liam Proven via
> cctalk
> Sent: 01 April 2020 14:48
> To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org>
> Subject: Re: Identifying Machine for DEC Memory
> 
> On Wed, 1 Apr 2020 at 09:08, Rob Jarratt via cctalk <cctalk at classiccmp.org>
> wrote:
> >
> > I mistakenly bought some memory thinking it was for a VAXstation 4000 VLC.
> > It turns out that it isn't. It physically fits a VAXstation 4000 Model
> > 60, but putting it in that machine the machine fails to power up. The
> > part number is 50-19464-02, and I am unable to identify what machine it
> works in.
> > Can anyone tell me where to find out?
> 
> Your posts are reminding me that I must set up and test my 3 (!) 4000VLCs. I
> really regret giving away my 4000/60 now. It's lost somewhere inside Red Hat
> Farnborough. :'(
> 
> I think the 4000VLC takes 80ns FP-mode DRAM with parity.
> 
> Something like this:
> https://www.itechdevices.co.uk/ms40-ba-hp-64mb-ecc-mem-4-x-16mb-
> simms.html
> (N.B. I think they don't know the difference between parity RAM and ECC
> RAM.)
> 
> Can you give us as much identifying info on your DIMMs as you've got?
> Pictures on IMGUR or something would be helpful so long as they are high-
> enough resolution to read the text.
> --
> Liam Proven – Profile: https://about.me/liamproven
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