IBM 88614RX Maintenance Manual - Page 111

Isolate failing DIMM

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Note: See Chapter 7, "Parts listing, Types 8861, 8862," on page 139 to determine which components are replaceable by the customer and which components must be replaced by an IBM field service technician. Error code/symptom FRU/action 180-xxx-005 (Failed SCSI Backplane LED 1. SCSI backplane cable test) 2. SCSI backplane 3. I/O board 4. Microprocessor tray assembly 180-xxx-006 (Failed Memory Board LED test) 1. Memory cassette 2. Microprocessor tray assembly 3. I/O board 180-xxx-007 (Failed Power Supply Fan LED test) 1. Power supply 2. Power supply structure 3. I/O board 180-xxx-008 (Failed I/O board LED test) v I/O board 180-xxx-009 (Failed Active PCI™ LED test) 1. PCI switch card assembly 2. I/O board 201-xxx-Ynn (failed Memory Test; see "Memory modules" on page 39) Note: nn = DIMM 1-16 [Port 1: DIMMs 9-16; Port 2: DIMMs 1-8]. 1. Replace DIMM nn [nn = 1-16]. 2. Replace memory cassette. 201-XXX-Y21 (Multiple DIMM failure in Port 1 Bank 1; see "Memory modules" on page 39) 1. Isolate failing DIMM: a. Replace a DIMM in bank with a "known good" DIMM. b. Rerun memory diagnostic for the failing bank. c. If test fails, mark replaced DIMM as "good" DIMM. d. If test passes, mark replaced DIMM as "bad" DIMM. e. If DIMM tested is "bad", remove it and replace it. f. If DIMM tested is "good", do not replace it. 2. Repeat steps 1a through 1f with other DIMMs in failing bank until error is fixed. 3. If error is not fixed, replace memory cassette. 201-XXX-Y22 (Multiple DIMM failure in Port 1 Bank 2; see "Memory modules" on page 39) 1. Isolate failing DIMM: a. Replace a DIMM in bank with a "known good" DIMM. b. Rerun memory diagnostic for the failing bank. c. If test fails, mark replaced DIMM as "good" DIMM. d. If test passes, mark replaced DIMM as "bad" DIMM. e. If DIMM tested is "bad", remove it and replace it. f. If DIMM tested is "good", do not replace it. 2. Repeat steps 1a through 1f with other DIMMs in failing bank until error is fixed. 3. If error is not fixed, replace memory cassette. Chapter 6. Symptom-to-FRU index 101

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Note: See Chapter 7, “Parts listing, Types 8861, 8862,” on page 139 to determine which components are
replaceable by the customer and which components must be replaced by an IBM field service technician.
Error code/symptom
FRU/action
180-xxx-005
(Failed SCSI Backplane LED
test)
1.
SCSI backplane cable
2.
SCSI backplane
3.
I/O board
4.
Microprocessor tray assembly
180-xxx-006
(Failed Memory Board LED
test)
1.
Memory cassette
2.
Microprocessor tray assembly
3.
I/O board
180-xxx-007
(Failed Power Supply Fan
LED test)
1.
Power supply
2.
Power supply structure
3.
I/O board
180-xxx-008
(Failed I/O board LED test)
v
I/O board
180-xxx-009
(Failed Active PCI
™
LED test)
1.
PCI switch card assembly
2.
I/O board
201-xxx-Ynn
(failed Memory Test; see
“Memory modules” on page 39)
Note:
nn = DIMM 1-16 [Port 1: DIMMs
9-16; Port 2: DIMMs 1-8].
1.
Replace DIMM nn [nn = 1-16].
2.
Replace memory cassette.
201-XXX-Y21
(Multiple DIMM failure in
Port 1 Bank 1; see “Memory modules” on
page 39)
1.
Isolate failing DIMM:
a.
Replace a DIMM in bank with a "known good" DIMM.
b.
Rerun memory diagnostic for the failing bank.
c.
If test fails, mark replaced DIMM as "good" DIMM.
d.
If test passes, mark replaced DIMM as "bad" DIMM.
e.
If DIMM tested is "bad", remove it and replace it.
f.
If DIMM tested is "good", do not replace it.
2.
Repeat steps 1a through 1f with other DIMMs in failing bank until
error is fixed.
3.
If error is not fixed, replace memory cassette.
201-XXX-Y22
(Multiple DIMM failure in
Port 1 Bank 2; see “Memory modules” on
page 39)
1.
Isolate failing DIMM:
a.
Replace a DIMM in bank with a "known good" DIMM.
b.
Rerun memory diagnostic for the failing bank.
c.
If test fails, mark replaced DIMM as "good" DIMM.
d.
If test passes, mark replaced DIMM as "bad" DIMM.
e.
If DIMM tested is "bad", remove it and replace it.
f.
If DIMM tested is "good", do not replace it.
2.
Repeat steps 1a through 1f with other DIMMs in failing bank until
error is fixed.
3.
If error is not fixed, replace memory cassette.
Chapter 6. Symptom-to-FRU index
101