E3500 hardware problem

From: Mark G. Thomas (Mark@Misty.com)
Date: Sun Jun 13 2004 - 23:46:25 EDT


Hi,

Saturday I tried installing an additional system board in my E3500.

After shutting down, installing the new board, and powering back up,
the machine fails POST, and never gives an OpenBoot prompt.

I've since tried four different system boards, individually and in
combinations, two different I/O boards, three different sets of
RAM, and even several different power supplies, and no matter which
combination I use, I still get about the same errors, though of course
reflecting whatever slot number I have the system board plugged into.

I'm now suspecting a bad 501-4946 clock board, backplane, or some other
quirky hardware failure, since I have trouble believing all my system
boards, RAM, and I/O boards are suddenly broken.

If the below diag message means anything to anyone, or if anyone else has
had a similar sounding disaster, I'd be very interested in hearing about it.

Mark Thomas

>From serial port:
--------------------
Hardware Power ON
3,0> Data Access Error from address 00000000.007fffd0
3,1> Data Access Error from address 00000000.003fffd0
3,0> tl tt tstate tpc tnpc
3,1> tl tt tstate tpc tnpc
3,0> 01 63 00000099.15001606 0000003f.8f000174 0000003f.8f000178
3,1> 01 63 00000099.80001604 0000003f.8f000174 0000003f.8f000178
3,0> AFSR 00000000.00100000 AFAR 00000000.007fffd0
3,1> AFSR 00000000.00100000 AFAR 00000000.003fffd0
3,0> (CE) Correctable ECC Error
3,1> (CE) Correctable ECC Error
3,0> SDBH = 00000000.00000000 SBDL = 00000000.000001a4
3,1> SDBH = 00000000.00000000 SBDL = 00000000.000001a4
3,0> SDB Low Data Bit 19
3,1> SDB Low Data Bit 19
3,0> UPA Data Bit 19 UPA Data Bit 19 (DC U1600)
3,1>(DC U1600)
3,0> Data was sourced from Board 3 Data was sourced from Board 3 SIMM J3200
3,1>SIMM J3200
3,0> Data Access Error from address 00000000.03fffff0
3,0> tl tt tstate tpc tnpc
3,0> 01 32 00000000.15000500 000001ff.f0001bc0 000001ff.f0001bc0
3,0> AFSR 00000000.88000000 AFAR 00000000.03fffff0
3,0> (PRIV) Privileged Code
3,0> (TO) Time Out Error

-- 
Mark G. Thomas (Mark@Misty.com)
voice: 215-591-3695
http://www.misty.com/  http://mail-cleaner.com/
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