Service manual

C-6 AlphaServer GS80/160/320 Service Manual
Test
# hex
ERROR #
<15:0>
FRU(s) Component(s) Failure Description
B-cache march test
0001 QBBx.CPUy EV, Bcache Test setup
0002 QBBx.CPUy EV, Bcache Verify all 5s, write all As to B-Cache
0003 Verify all As, write all 3s to B-Cache
0004 Verify all 3s, write all Cs to B-Cache
0005 Verify all Cs, write all 0s to B-Cache
0006 Verify all 0s, write all Fs to B-Cache
0007 Verify all Fs, write all 0s to B-Cache
5
Parameters all error numbers
P1: Exp: P2 xor EXP_DATA [where EXP_DATA = QW write data to Bcache]
P2: Rcvd: Actual data received (QW read from Bcache)
P3: Addr: Failing Cache Address
P4: CBOX Read Chain data in <31:0> where:
<31:24> = dc1_syndrome<7:0>
<23:16> = dc0_syndrome<7:0>
<8:4> = c_stat<4:0>
<3:0> = c_sts<3:0>
Note: If P3 address ends in:
0: expected/received is LOW data<63:0>
8: HI data<127:64>