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IBM i Series Handbook

IBM i Series
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iSeries Model 250 Packages and AS/400e Server 250
110 iSeries Handbook
6. Cryptographic card #4801 is allowed in high-speed slots E03, E08, or E09 (maximum one
per IOP).
7. Integrated Server refers to Integrated Netfinity Server, now available as the Integrated
xSeries Server for iSeries.
Uninterruptable Power Supply (UPS)
An external UPS is recommended since the 9406 Model 250 does not have an internal
battery backup unit (BBU). The configurator adds a country-specific UPS by default. The
9910 Models 080, 140, and 180 from the 9406 Model 170 may be used although the CPM
function is not supported.
Disk Units
There is a maximum of ten disk units supported on the Model 250. There is no support for an
external disk on the Model 250.
#6831 1.6 GB Read Cache Device
Read Cache Device feature #6831 (CCIN 6731) is a solid state disk device that provides the
Large Read Cache function required by high-performance disk unit controllers. There is a
maximum of one per #2748 PCI RAID Disk Unit Controller IOA. Extended Adaptive Cache
cannot be used with compression on the same #2748 PCI RAID Disk Unit Controller IOA. The
#2748 IOA is shipped with compression disabled. Compression is enabled by moving a jumper on
the IOA. Refer to PCI Disk Units on page 325 for detailed information.
The following table contains the maximum number of supported disk units for the Model 250.
For disk unit descriptions, refer to PCI Disk Units on page 325.
Feature Size RPM Maximum
#6813 8.58 GB 7200 9
#6817 8.58 GB 10000 9
#6818 17.54 GB 10000 9
#6824 17.54 GB 7200 9
#8917 8,58 GB 10000 1
#8918 17.54 GB 10000 1

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IBM i Series Specifications

General IconGeneral
Operating SystemIBM i
Form FactorRack, Tower
StorageSSD and HDD options
Securitycompliance
VirtualizationIBM PowerVM
CPUPOWER processors
ScalabilityScale-up

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