IBM 865951Y Hardware Maintenance Manual - Page 173

SCSI error codes, Undetermined problems, Memory-Module Kits Minimum requirement = 1

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SCSI error codes Error Code All SCSI Errors One or more of the following might be causing the problem: A failing SCSI device (adapter, drive, controller) An improper SCSI configuration or SCSI termination jumper setting Duplicate SCSI IDs in the same SCSI chain A missing or improperly installed SCSI terminator A defective SCSI terminator An improperly installed cable A defective cable FRU/Action 1. External SCSI devices must be powered-on before you power-on the server. 2. The cables for all external SCSI devices are connected correctly. 3. If you have attached an external SCSI device to the server, make sure the external SCSI termination is set to automatic. 4. The last device in each SCSI chain is terminated correctly. 5. The SCSI devices are configured correctly. Undetermined problems You are here because the diagnostic tests did not identify the failure, the Devices List is incorrect, or the system is inoperative. Notes 1. If you suspect a software mismatch is causing failures (solid or intermittent), be sure to see "Resolving resource conflicts" on page 50. 2. A corrupt CMOS can cause undetermined problems. Check the LEDs on all the power supplies. If the LEDs indicate the power supplies are working correctly, return here and do the following: 1. Power-off the computer. 2. Be sure the system is cabled correctly. 3. Remove or disconnect the following (one at a time) until you find the failure (power-on the computer and reconfigure each time). Any external devices Surge suppressor device (on the computer) Modem, printer, mouse, or non-IBM devices Each adapter Drives Memory-Module Kits (Minimum requirement = 1 bank of 64 MB DIMMs) Secondary microprocessor VRM, if installed Netfinity 5000 - Type 8659 165

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SCSI error codes
Error Code
FRU/Action
All SCSI Errors
One or more of the following
might be causing the
problem:
±
A failing SCSI device
(adapter, drive,
controller)
±
An improper SCSI
configuration or SCSI
termination jumper
setting
±
Duplicate SCSI IDs in
the same SCSI chain
±
A missing or improperly
installed SCSI
terminator
±
A defective SCSI
terminator
±
An improperly installed
cable
±
A defective cable
1.
External SCSI
devices must be
powered-on before
you power-on the
server.
2.
The cables for all
external SCSI devices
are connected
correctly.
3.
If you have attached
an external SCSI
device to the server,
make sure the external
SCSI termination is set
to automatic.
4.
The last device in each
SCSI chain is
terminated correctly.
5.
The SCSI devices are
configured correctly.
Undetermined problems
You are here because the diagnostic tests did not identify
the failure, the Devices List is incorrect, or the system is
inoperative.
Notes
1.
If you suspect a software mismatch is causing
failures (solid or intermittent), be sure to see
“Resolving resource conflicts” on page
50.
2.
A corrupt CMOS can cause undetermined
problems.
Check the LEDs on all the power supplies.
If the LEDs
indicate the power supplies are working correctly, return
here and do the following:
1.
Power-off the computer.
2.
Be sure the system is cabled correctly.
3.
Remove or disconnect the following (one at a time)
until you find the failure (power-on the computer and
reconfigure each time).
±
Any external devices
±
Surge suppressor device (on the computer)
±
Modem, printer, mouse, or non-IBM devices
±
Each adapter
±
Drives
±
Memory-Module Kits (Minimum requirement = 1
bank of 64 MB DIMMs)
±
Secondary microprocessor VRM, if installed
Netfinity 5000 - Type 8659
165