Bus fault messages
Bus fault messages
Message Action
Failure reading 12C device.
Check devices
on bus 0.
1.
If installed, reseat I2C cable between Remote Supervisor Adapter
(in PCI slot 1/J44) and planar (J45)
2.
Reseat Memory DIMMs
3.
Memory DIMMs
4.
System board
Failure reading 12C device.
Check devices
on bus 1.
1.
Reseat I2C cable between operator information panel and planar
(J39)
2.
Replace Operator information panel
3.
System board
Failure reading 12C device.
Check devices
on bus 2.
1.
Reseat cable between Power Backplane and planar (J43)
2.
Reseat Power Backplane
3.
Reseat Power Supply
4.
Replace Power Backplane
5.
Replace Power Supply
6.
Replace System board
Failure reading 12C device.
Check devices
on bus 3.
1.
Reseat Cable (Signal I2C - IO Planar to SCSI Backplane) between
DASD backplane and connector (J9) of planar
2.
Replace DASD backplane
3.
Replace System board
Failure reading I2C device.
Check device
on bus 4.
1.
System board
Undetermined problems
You are here because the diagnostic tests did not identify the failure, the Devices
List is incorrect, or the system is inoperative.
Note:
A corrupt CMOS can cause undetermined problems.
Note:
A corrupt BIOS can cause undetermined problems. (See “Recovering BIOS
code” on page 16.)
Check the LEDs on all the power supplies, see “Power supply LED errors” on
page 90. 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-Modules (Minimum requirement = 256 MB (2 banks of 128 MB
DIMMs))
100
Hardware Maintenance Manual: xSeries 342 Model 1RX, 2RX, 1TG, 2TG
Summary of Contents for xSeries 342 2RX
Page 1: ...Hardware Maintenance Manual xSeries 342 Model 1RX 2RX 1TG 2TG...
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Page 3: ...Hardware Maintenance Manual xSeries 342 Model 1RX 2RX 1TG 2TG...
Page 110: ...102 Hardware Maintenance Manual xSeries 342 Model 1RX 2RX 1TG 2TG...
Page 114: ...106 Hardware Maintenance Manual xSeries 342 Model 1RX 2RX 1TG 2TG...
Page 127: ...Related service information 119...
Page 128: ...120 Hardware Maintenance Manual xSeries 342 Model 1RX 2RX 1TG 2TG...
Page 129: ...Related service information 121...
Page 130: ...122 Hardware Maintenance Manual xSeries 342 Model 1RX 2RX 1TG 2TG...
Page 131: ...Related service information 123...
Page 132: ...124 Hardware Maintenance Manual xSeries 342 Model 1RX 2RX 1TG 2TG...
Page 133: ...Related service information 125...
Page 134: ...126 Hardware Maintenance Manual xSeries 342 Model 1RX 2RX 1TG 2TG...
Page 147: ...Related service information 139...
Page 148: ...140 Hardware Maintenance Manual xSeries 342 Model 1RX 2RX 1TG 2TG...
Page 149: ...Related service information 141...
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