6947ch03.fm Draft Document for Review April 7, 2004 6:15 pm
88 IBM eServer zSeries 990 Technical Guide
Note that I/O cage slot numbers 05, 14, 23, and 28 are reserved for eSTI-M cards.
The PCHID number range from 000 to 0FF is reserved for ICB-4 links. As ICB-4 links are
directly connected to a book, Table 3-6 shows the ICB-4 PCHID numbers range for each
book.
Table 3-6 PCHID numbers for ICB-4 links
The server’s PCHID Report has all installed PCHID numbers. At definition time, PCHIDs are
assigned to Channel Path IDs (CHPIDs) using the CHPID Mapping Tool, or HCD/HCM, or
12 (front) 1A0 - 1AF 3A0 - 3AF 5A0 - 5AF
13 (front) 1B0 - 1BF 3B0 - 3BF 5B0 - 5BF
15 (front) 1C0 - 1CF 3C0 - 3CF 5C0 - 5CF
16 (front) 1D0 - 1DF 3D0 - 3DF 5D0 - 5DF
17 (front) 1E0 - 1EF 3E0 - 3EF 5E0 - 5EF
18 (front) 1F0 - 1FF 3F0 - 3FF 5F0 - 5FF
19 (rear) 200 - 20F 400 - 40F 600 - 60F
20 (rear) 210 - 21F 410 - 41F 610 - 61F
21 (rear) 220 - 22F 420 - 42F 620 - 62F
22 (rear) 230 - 23F 430 - 43F 630 - 63F
24 (rear) 240 - 24F 440 - 44F 640 - 64F
25 (rear) 250 - 25F 450 - 45F 650 - 65F
26 (rear) 260 - 26F 460 - 46F 660 - 66F
27 (rear) 270 - 27F 470 - 47F 670 - 67F
29 (rear) 280 - 28F 480 - 48F 680 - 68F
30 (rear) 290 - 29F 490 - 49F 690 - 69F
31 (rear) 2A0 - 2AF 4A0 - 4AF 6A0 - 6AF
32 (rear) 2B0 - 2BF 4B0 - 4BF 6B0 - 6BF
CEC cage book PCHID numbers
0010 - 01B
1020 - 02B
2030 - 03B
3000 - 00B
Important: If the STI Rebalance feature (Feature Code 2400) is selected on a z990 server
upgrade, the current ICB-4 PCHID numbers may change. This requires the corresponding
update of the ICB-4 link definition in the z990 server I/O configuration.
I/O cage slot
PCHID numbers
1st I/O cage 2nd I/O cage 3rd I/O cage
