iSeries Model 870 223
Draft Document for Review October 18, 2004 5486m870.fm
Specify one #1780 TCoD Enablement feature for each additional standby
processor when approaching the limit of usable on/off processor days.
Refer to “Table 8: Summary of the iSeries Model 825” on page 98 to find
Processor CPW, Mail and Calendar Users (MCU), 5250 CPW, and to determine
the processor feature code and QPRCFEAT value.
Main storage
Eight main storage card sockets exist on the backplane of the Model 870. A
maximum of four of the following main storage cards can be placed in the
system:
#3015 - 8192 MB Main Storage Card
#3017 - 32768 MB Main Storage Card
#3020 - 4096 GB Main Storage Card
#3035 - 16384 MB Main Storage Card
A minimum of two main storage cards of equal capacity are required. The main
storage cards are installed according to the following rules:
Installed in pairs of equal capacity
The pairs of must plug into memory card slots under the same multichip
modules (MCM) (slots 0 and 1, slots 2 and 3)
Mixed main storage cards must be of the adjacent capacity. For example,
4 GB and 8 GB are allowed, but 4 GB and 16 GB are not allowed.
There is no requirement when mixed main storage cards are used, for cards
of higher capacity to precede or follow those of smaller capacity.
The following table shows the allowable main storage capacities and slot
positioning for the #2489 Model 870 processor.
Note: The capacity on demand (permanent and temporary) capabilities,
including activation, enablement and billing features, are described in
“Capacity on demand” on page 46.
Allowable memory
capacity (GB)
Memory
card slot 0
Memory
card slot 1
Memory
card slot 2
Memory
card slot 3
Memory card
slots 4 to 7
8 #3020
4 GB
#3020
4 GB
Empty Empty Empty
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