IBM RS6000 - 7026 - H70, Service Manual

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Table A-1 (Page 5 of 9). Service Request Numbers
SRN FRU List % Problem
44PAA Disk drive module 100 Description: A disk drive module has
failed.
Action: If the SSA service aids are
available, run the Link Verification service
aid (see “Link Verification Service Aid” on
page 3-73) to find the failing disk drive
module. Before you exchange the failing
disk drive module, run diagnostics in the
system verification mode to the module to
determine the cause of the problem.
45PAA Disk drive module
Backplane assembly 40
40
20
Description: The SSA adapter has
detected an open SSA link. This problem
is caused either by a disk drive module
that is failing, or by a disk drive module
that has been switched off from another
using system on the same SSA link.
(That using system has itself been
switched off.)
Action: If the SSA service aids are
available, run the Link Verification service
aid (see “Link Verification Service Aid” on
page 3-73) to determine which device is
preventing configuration. (That device is
the one beyond the last-configured device
on an open SSA link.)
48000 None – Description: The SSA adapter has
detected a link configuration resource that
is not valid.
Action: See “SSA Loop Configurations
That Are Not Valid” on page A-15.
50000 SSA adapter card 100 Description: The SSA adapter failed to
respond to the device driver.
Action: Exchange the FRU for a new
FRU.
50001 SSA adapter card 100 Description: A data parity error has
occurred.
Action: Exchange the FRU for a new
FRU.
50002 SSA adapter card 100 Description: An SSA adapter direct
memory access (DMA) error has occurred.
Action: Exchange the FRU for a new
FRU.
50004 SSA adapter card 100 Description: A channel check has
occurred.
Action: Exchange the FRU for a new
FRU.
A-10
Service Guide