PCI Card Placement Rules
288 AS/400e System Handbook
C01. Supported controllers are #9767, #2763, and
#4748. The number of disk units ordered and RAID
protection requirements will determine which controller
is the default.
• Model 820: One disk unit controller is allowed in the card
enclosure slot C05. The supported controllers are
#9767, #2763, and #4748.
• Model 830 and 840: #9478 Base Disk Unit Controller is automatically
included in the card enclosure slot C03. Two additional
#4748s are allowed in the card enclosure.
• Model SB2/SB3: One disk unit controller (#9748) required in the system
unit slot C03. No other disk unit controllers allowed in
the system unit.
• #5075 PCI Expansion Tower: One #2763 or #4748 is allowed. It must install in the
card enclosure slot C01.
• #5074 PCI Expansion Tower: Three #4748s are allowed in the card enclosure. The
first #4748 must be in slot C02, C03, or C04.
• #5079 1.8 m I/O Tower: Functions as two #5074s.
11.A maximum of 18 disk units are supported by the #4748. Based on hardware
configuration, only the Model 270 allows 18 installed disk units. All other models/towers
restrict the number of attached disk units to 15 or less. A maximum of two removable
media devices (internal tape or CD-ROM) are supported.
12.Available on Models 270 and 820 only. A maximum of twelve disk units and two removable
media devices (internal tape or CD-ROM) are supported.
13.Available on Models 270 and 820 only. Does not support RAID. A maximum of six disk
units and two removable media devices (internal tape and CD-ROM) are supported.
14.Not more than one #2763, #4748, or #9748, allowed per IOP when this IOP is also driving
any ATM IOAs (#4815, #4816 or #4818).
15.A system console must be selected for each Model 270 and 8xx system unit. There are
two options:
• #5540 System Console Attached to Twinaxial Adapter
• #5544 System Console Attached to WAN Adapter
When #5540 is specified, the console function is provided by a twinaxial device attached
to port 0 address 0 on the first #4746 encountered in the first or (if available) second
Multi-Adapter Bridge in the card enclosure. The #9771 may be used for ECS. However,
the #9771 is not selected by default and requires manual configuration to change the
RSRCNAME parameter on the QESLINE and QTILINE line descriptions.
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