From: cdl@mpl.ucsd.edu (Carl Lowenstein)
Subject: [pups] pdp11/73 memory
Date: Fri, 12 Dec 2003 14:49:51 -0800 (PST) [thread overview]
Message-ID: <200312122249.hBCMnpo23276@opihi.ucsd.edu> (raw)
> From: "Christos Papachristou" <chpap at ics.forth.gr>
> To: <pups at minnie.tuhs.org>
> Date: Fri, 12 Dec 2003 18:31:12 +0200
> Subject: [pups] pdp11/73 memory
>
> I recently found a cabinet with a MicroVAX II (in 2 BA23 enclosures) and
> quite a lot storage devices on it. I plan to replace the MicroVAX II CPU
> module (M7606-AA) with a pdp11/73 CPU module (M8192) . I only have a
> 512k RAM module (M8067LA) for the pdp11/73 . The microVAX has two quad
> height memory modules , but I haven't checked yet whether they are 1, 2
> ,4 or 8 megs each (ie M7607,M7608 or M7609) .Is it possible to keep some
> of the MicroVAX memory modules if they are below or equal to 4 megs?
No.
MicroVAX memory uses a different interconnect scheme.
It is not in the Qbus address space.
carl
--
carl lowenstein marine physical lab u.c. san diego
clowenst at ucsd.edu
next reply other threads:[~2003-12-12 22:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-12 22:49 Carl Lowenstein [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-12-12 17:56 Fred N. van Kempen
2003-12-12 19:29 ` emanuel stiebler
2003-12-12 20:14 ` David Evans
2003-12-13 1:58 ` Johnny Billquist
2003-12-12 16:31 Christos Papachristou
2003-12-12 17:23 ` David Evans
2003-12-13 1:56 ` Johnny Billquist
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