Service manual

Error Logs 5-53
Table 5-9 Decoding Commands (continued)
5 4
MC_C
MD
3 2 1 0
CMD
in
Hex
MC_
ADR
<39> Description
No B-
Cache
CPU
B-
Cache
CPU IOD
x x 1 0 1 0 X A 0 Read Mod0 -
Mem
YY Y
x x 1 0 1 0 X A 1 Read Peer0 - I/O Y
x x 1 0 1 1 X B 0 Read Mod1 -
Mem
YY Y
x x 1 0 1 1 X B 1 Read Peer1 - I/O Y
1 0 1 1 0 0 2 C 1 FILL0 (due to
Read0/Peer0)
Y
1 0 1 1 0 1 2 D 1 FILL1 (due to
Read1/Peer1)
Y
x x 1 1 1 0 X E 0 Read0 - Mem Y Y
x x 1 1 1 1 X F 0 Read1 - Mem Y Y
5.4.11 Node IDs
The node ID is a six-bit field in the command address (bits<38:33>). The high-order
three bits are always set, and the last three indicate the node. Bit-to-text translations
give six-bit data, although only the last three bits define the node.
Table 5-10 Node IDs
Node ID <2:0> Six Bit (Hex) Node (4000) Node (4100)
0 0 0 38
0 0 1 39 Memory Memory
0 1 0 3A CPU0 CPU0
0 1 1 3B CPU1 CPU1
1 0 0 3C IOD0 IOD0
1 0 1 3D IOD1 IOD1
1 1 0 3E IOD2 CPU2
1 1 1 3F IOD3 CPU3