From: Maarten van Breemen [Maarten.van.Breemen@notox.nl]
Sent: Thursday, November 09, 2000 10:19 AM
To: Info-VAX@Mvb.Saic.Com
Subject: Re: VAXstation 4000-90 Error Code

Hello John,

It's a pity that I find this out only now. A few months ago I parted from a
fully loaded VS4000-M60 in favour of a VS4000-M90 with half of it's memory
banks filled. Never got the idea to just try it out.

Regards,
Maarten

"John Laird" <john@laird-towers.freeserve.co.uk> wrote in message
news:bn7l0tsb84425s3v4k5d0apsuml6d2mqaj@4ax.com...
> On Thu, 9 Nov 2000 11:56:42 +0100, "Maarten van Breemen"
> <Maarten.van.Breemen@notox.nl> wrote:
>
> >VS400-60 memory is not compatible with VS400-90 memory.
> >
> >Model 60 can take MS44-DA (2x16) or MS44-BA (2x4)
> >Model 90 can take MS44-DC (4x16) or MS44-BC (4x4)
>
> What makes you think these are not exactly the same parts, but supplied
> in 2's for the -60 and 4's for the -90 ?   I've swapped boards between
> machines without any apparent problems (other than working out the weird
> bank layout in the -90 and the equally obscure ordering of 8Mb and 32Mb
> pairs in the -60...)
>
> John
> --
> John Laird