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SS20 parts for SIPB servers

daemon@ATHENA.MIT.EDU (Nickolai Zeldovich)
Wed Oct 18 01:00:13 2000

Message-Id: <200010180500.BAA21554@pepsi.mit.edu>
To: hotline@MIT.EDU
Date: Wed, 18 Oct 2000 01:00:10 -0400
From: Nickolai Zeldovich <kolya@MIT.EDU>

Hi there,

We suspect that one of the SIPB server machines, dandelion-patch
(SN 717F066A, MIT tag 0319514), might have a bad CPU -- it's been
crashing repeatedly for the past few weeks, and swapping the
enclosure/power-supply, main board, and memory had no effect.

Could we swap in a replacement CPU for this machine? It currently
has a ROSS 150 Mhz Mbus module, RT626.

Also, in the process of swapping hardware for dandelion-patch to
diagnose the problem, we seem to have damaged the ROM monitor
chip from sipb-server-2 (formerly senator-bedfellow) (SN 423F3182,
MIT tag 0279673). Would it be possible to obtain a new chip, or
if you don't deal in such small parts, perhaps a new mainboard
for it?

If you could leave either of those in W20-575A, we can swap the
parts into the servers and return the old parts to you.

Thanks,

-- kolya

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