External AC power cables . . . . . . . . . . . . . . . . . . . . . 30
Service inspection guide . . . . . . . . . . . . . . . . . . . . . 31
Chapter 2. Problem determination overview
. . . . . . . . . . . . . 33
Maintenance Analysis Procedures (MAPs) . . . . . . . . . . . . . . . 33
Checkpoints, error codes, and SRNs . . . . . . . . . . . . . . . . . 34
FRU isolation
. . . . . . . . . . . . . . . . . . . . . . . . . 35
FRU identify LEDs
. . . . . . . . . . . . . . . . . . . . . . . 35
Remote error notification (call home) . . . . . . . . . . . . . . . . . 35
Electronic Service Agent for the NAS Gateway 500
. . . . . . . . . . . 36
Service processor . . . . . . . . . . . . . . . . . . . . . . . . 36
System LEDs
. . . . . . . . . . . . . . . . . . . . . . . . . 36
System attention LED . . . . . . . . . . . . . . . . . . . . . . 36
Accessing system error logs . . . . . . . . . . . . . . . . . . . . 36
Resetting the system attention LED . . . . . . . . . . . . . . . . . 37
Chapter 3. Maintenance Analysis Procedures (MAPs)
. . . . . . . . . 39
Entry MAP
. . . . . . . . . . . . . . . . . . . . . . . . . . 39
Quick Entry MAP . . . . . . . . . . . . . . . . . . . . . . . . 40
MAP 0410: Repair Checkout . . . . . . . . . . . . . . . . . . . . 45
MAP 1020: Problem Determination
. . . . . . . . . . . . . . . . . 49
MAP 1240: Memory Problem Resolution
. . . . . . . . . . . . . . . 52
MAP 1520: Power . . . . . . . . . . . . . . . . . . . . . . . . 58
FRU identify LEDs
. . . . . . . . . . . . . . . . . . . . . . 59
MAP 1521: System with Power Failure and No Error Codes . . . . . . . . 60
Map 1523: The SPCN Error Codes Table Directed You Here and the Error Code
is 1011 1B0x . . . . . . . . . . . . . . . . . . . . . . . . . 66
MAP 1540: Problem Isolation Procedures . . . . . . . . . . . . . . . 69
FRU identify LEDs
. . . . . . . . . . . . . . . . . . . . . . 69
MAP 1541: JTAG Problem Isolation . . . . . . . . . . . . . . . . . 71
MAP 1542: I/O Problem Isolation . . . . . . . . . . . . . . . . . . 72
MAP 1548: Processor Subsystem Problem Isolation . . . . . . . . . . . 77
MAP 1549: Attention Problem Isolation . . . . . . . . . . . . . . . . 90
Chapter 4. Checkpoints
. . . . . . . . . . . . . . . . . . . . . 93
IPL flow
. . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Service processor checkpoints . . . . . . . . . . . . . . . . . . . 94
Firmware checkpoints . . . . . . . . . . . . . . . . . . . . . . 101
Boot problems or concerns . . . . . . . . . . . . . . . . . . . 122
Chapter 5. Error code to FRU index
. . . . . . . . . . . . . . . . 125
Performing slow boot . . . . . . . . . . . . . . . . . . . . . . 125
Four-character checkpoints . . . . . . . . . . . . . . . . . . . . 125
Replacing the operator panel . . . . . . . . . . . . . . . . . . . 125
Replacing a PCI-X adapter . . . . . . . . . . . . . . . . . . . . 126
Determining location code . . . . . . . . . . . . . . . . . . . . 126
FRU identify LEDs . . . . . . . . . . . . . . . . . . . . . . . 126
Checkpoint and error code index . . . . . . . . . . . . . . . . . . 127
Operator panel error codes . . . . . . . . . . . . . . . . . . . . 128
SPCN error codes . . . . . . . . . . . . . . . . . . . . . . . 129
Firmware error codes . . . . . . . . . . . . . . . . . . . . . . 137
Service processor error codes . . . . . . . . . . . . . . . . . . . 154
DIMM present detect bits (PD-bits) . . . . . . . . . . . . . . . . . 228
Error log utility procedure
. . . . . . . . . . . . . . . . . . . . 228
System firmware update messages . . . . . . . . . . . . . . . . . 228
Scan dump messages . . . . . . . . . . . . . . . . . . . . . . 229
iv
NAS Gateway 500 Service Guide
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