You have been presented with a newly delivered, commisioned z9 Series mainframe and need to develop the IO configuration from what you see...
Here is an example to help.
You open the front of the box and see something like the following pictures (left, centre, right).



What have we got here?
The cards (from left to right)...
- Fast ethernet
- FICON
- FICON
- blank
- power
- FICON
- blank
- blank
- ESCON
- FICON
- Fast ethernet
- blank
- FICON
- power
- blank
- FICON
- ESCON
- blank
We should now go the Service Element and logon with SYSPROG and the usual "password".
- Select CPC
- Select CPC Configuration Menu
- Select Channel to CHPID Assignment
For example...
The column headings are as follows...
- channel location cage - card slot - jack
- boot - MBA - jack
- channel state
- PCHID
- CSS - CHPID
- card type
A01B-D102-J.00 / 0-02-0 / Online/ 0110 / 0.10 / FICON exp 4
A01B-D103-J.00 / 0-07-0 / Online/ 0120 / 0.20 / FICON exp 4
A01B-D106-J.00 / 0-07-0 / Online/ 0140 / 0.40 / FICON exp 4
A01B-D110-J.00 / 0-07-0 / Online/ 0180 / 0.80 / FICON exp 4
lots of "reserved" entries
A01B-LG01-J.00 / 0-07-0 / Online/ 0100 / 0.00 / OSA express
A01B-LG01-J.00 / 0-07-0 / Online/ 0101 / 0.01 / OSA express
A01B-LG09-J.00 / 0-02-0 / Online/ 0170 / 0.70 / 16 port ESCON
lots of "reserved" entries
A01B-LG17-J.00 / 0-07-1 / Online/ 01E0 / 0.E0 / 16 port ESCON
etc
View the attachment to see how this might be interpreted.
| Attachment | Size |
|---|---|
| initial io config for driver system.txt | 6.12 KB |
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