Service manual

C-18 AlphaServer GS80/160/320 Service Manual
Test#
hex
ERROR #
<15:0>
FRU(s) Component(s) Failure Description
Local GPA scratch register test
0001
System box:
QBBx,GP
QBBX
QBBx.CPUy
Drawer:
QBBx
QBBx.CPUy
GPA,GPD0
QSA,QSD0
GP,QSA,QSD0
Read/Write AA pattern failure to gpa_scratch
0002 Read/Write 55 pattern failure to gpa_scratch
0003 Read/Write FF pattern failure to gpa_scratch
0004 Read/Write 00 pattern failure to gpa_scratch
0005 Read/Write Floating 1’s pattern failure to
gpa_scratch
0006 Read/Write Floating 0’s pattern failure to
gpa_scratch
7777 FRU not
determined
GPA CSR (8-bits) Read had bits other than
<7:0> set! Possibly bad GP cable or
connectors.
20
Parameters for error numbers 1,2,3,4,5,6
P1: Expected Data (written to GPA_SCRATCH)
P2: Received Data (read from GPA_SCRATCH)
P3: Failing Address (of GPA_SCRATCH CSR)
P4: Source Soft QBB ID in bits <2:0>
Parameters for error number 7777
P1: GPA CSR address
P2: GPA CSR data read from GPA CSR address in P1
P3: XSROM GP CSR read routine return address (need listings)
P4: Source Soft QBB ID in bits <2:0>