IBM 86807RY Hardware Maintenance Manual - Page 214

Check the I/O board LEDs, see I/O Board, Check I/O Board Power Supply Power Good

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Page 214 highlights

a) Replace terminator. b) Replace processor. c) Replace processor board. 4. Check the I/O board LEDs, see "I/O Board Component Locations" on page 142. a. Check I/O Board Power Supply Power Good LED. If not on, replace power control card. b. Check Reset LEDs. If on: 1) Replace I/O Function Card. 2) Replace I/O Backplane c. Check PCI slot power LEDs. If adapter is present but power LED is not on: 1) Ensure hot plug switch is closed. 2) Replace adapter. 3) Replace PCI sensor card. 4) Replace I/I board. d. Check PCI bus SERR/PERR LEDs. If on, (error on PCI A, B, or C bus), replace or remove adapters in the appropriate PCI slots. e. Check Secondary PCI SERR/PERR LEDs. If on, (error on secondary bus): 1) Replace I/O Function card. 2) Replace system management card. f. Check NMI LED. If on: 1) Replace I/O Board. 2) Replace processor. 3) Replace processor board. 5. Check Memory Card error LEDs. If any error LED is on: a. Replace the DIMM for that LED. b. Replace the memory card for that LED. 6. Power-off the computer. 7. Be sure the system is cabled correctly. 8. 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 32 MB DIMMs) 206 Netfinity Server HMM

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a)
Replace terminator.
b)
Replace processor.
c)
Replace processor board.
4.
Check the I/O board LEDs, see “I/O Board
Component Locations” on page
142.
a.
Check I/O Board Power Supply Power Good
LED.
If not on, replace power control card.
b.
Check Reset LEDs.
If on:
1)
Replace I/O Function Card.
2)
Replace I/O Backplane
c.
Check PCI slot power LEDs.
If adapter is
present but power LED is not on:
1)
Ensure hot plug switch is closed.
2)
Replace adapter.
3)
Replace PCI sensor card.
4)
Replace I/I board.
d.
Check PCI bus SERR/PERR LEDs.
If on, (error
on PCI A, B, or C bus), replace or remove
adapters in the appropriate PCI slots.
e.
Check Secondary PCI SERR/PERR LEDs.
If on,
(error on secondary bus):
1)
Replace I/O Function card.
2)
Replace system management card.
f.
Check NMI LED.
If on:
1)
Replace I/O Board.
2)
Replace processor.
3)
Replace processor board.
5.
Check Memory Card error LEDs.
If any error LED is
on:
a.
Replace the DIMM for that LED.
b.
Replace the memory card for that LED.
6.
Power-off the computer.
7.
Be sure the system is cabled correctly.
8.
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 32 MB DIMMs)
206
Netfinity Server HMM