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zSeries 890 Family Confi guration Detail
Maximum of 512 CHPIDs; One I/O cages: 28 I/O slots
Per System
Feature
Minimum Maximum Maximum
Features
I/O Slots
used by
Features
ESCON,
0
1
28
16 port
FICON
0
1
20
4
Express2
STI-3
5
0
8
ICB-3 link
0
1
N/A
ICB-4 link
0
1
N/A
7
ISC-3
0
1
12
OSA-
0
20
4
Express
OSA-
0
20
2, 4
Express2
Crypto
0
16
2, 4
Express2
coprocessors coprocessors
PCICA
0
2
4
4 accelerator 2 accelerator 1 feature
PCIXCC
0
10
4
4
1) A minimum of one I/O feature (ESCON, FICON Express/FICON Express2)
or one Coupling Link (ICB, ISC-3) is required.
2) Each ESCON feature has 16 channels of which 15 channels may be acti-
vated. One channel is always reserved as a spare.
3) ESCON channels are purchased in increments of four and are activated
via Licensed Internal Code, Confi guration Control (LIC CC). Channels
are activated equally across all installed 16-port ESCON features for
high availability.
4) The maximum quantity of FICON Express, FICON Express2, OSA-
Express, OSA-Express2, PCICA, and PCIXCC in combination cannot
exceed 20 features per server. When the FICON Express2 feature
becomes available, the FICON Express (feature codes 2319 and 2320)
will no longer be orderable.
5) Each STI-3 distribution card, which supports the ICB-3s, resides in the
I/O cage, occupying one I/O slot.
6) The maximum number of Coupling Links combined (ICs, ICB-3s, ICB-4s,
and active ISC-3 links) cannot exceed 64 per server.
7) ICB-4s do not require connectivity to a card in the I/O cage. ICB-4s are
not included in the maximum feature count for I/O slots.
8) A maximum of 32 ISC-3s can be defi ned in compatibility mode (operat-
ing at 1 Gbps, instead of 2 Gbps).
9) It is recommended that an initial order for ISC-3 include two links. When
two links are purchased, two ISC-3 features are shipped and activated
links are balanced across ISC-3 features for high availability.
10) PCIXCC feature increments are 0, 2, 3, or 4.
Note: The Capacity Model 110 has an I/O cage with 16 I/O slots maximum
which will support up to 240 channels which can be any mix of the fol-
lowing as long as it does not exceed 240 channels — maximum of 240
ESCON channels, 32 FICON Express channels, 24 OSA-Express ports.
Ports/
Purchase
Connections Channels/
Increments
Increments
per Feature
420
16
4
channels
channels
2
channels
80
4
1 feature
channels
channels
N/A
2 outputs
N/A
16 links
6
N/A
1 link
8 links
6
N/A
1 link
48 links
6, 8
4 links
1 link
40
2
1 feature
ports
ports
40
2 or 1 (10
1 feature
ports
GbE has 1)
16
2
1 feature
cards
cards
4
1
1 feature
coprocessor coprocessor
Processor Unit Assignments
Model
Total PUs
Characterized PUs*
A04***
1-way**
5
2-way**
5
3-way**
5
3
4-way**
5
*PU can be characterized as CP, IFL, ICF, or zAAP
**These values are for all machines including the sub-uni, sub 2-way
models, etc.
***Customer will be required to purchase at least one CP, IFL, ICF or zAAP
9
Processor Memory
z890 Model
A04
Single memory card. Memory cards 8 GB, 16 GB or 32 GB. Memory incre-
ments 8 GB.
Channels
10
Model
ESCON Min
A04
0
*FICON Express and FCP confi gured on the same FICON Express features.
Max FICON Express channels total 40, max FICON Express2 channels
total 80.
**ESCON increments of 4 channels
Coupling Links
Links
IC
ICB-3*
0-32
0-16
*requires STI-3 card
Note: At least one I/O channel (FICON, ESCON) or one coupling link (ISC,
ICB) must be present.
58
SAP Standard
1
1
2
1
3
1
4
1
Minimum
Maximum
8 GB
32 GB
**ESCON Max
*FICON Min
*FICON Max
420
0
ICB-4
ISC-3
Max Links
0-8
0-48
Max combined IC,
ICB-3, ICB-4, active
ISC-3 = 64
Spares
3
2
1
0
40
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