IBM System x3650 Type 7979 User Manual

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, “Parts listing, Type 7979 and 1914 server,” on page 79 to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
System event/error log message Action
+5v critical over voltage fault
1. Remove the following devices, which are powered by 5 volts:
v All PCI adapters
v USB devices
v CD-RW/DVD drive
v Tape drive, if one is installed
v Hard disk drive backplane
2.
Reinstall each I/O device removed in step 1, one at a time,
restarting the server each time, to isolate a defective device.
Replace any defective device.
3. If the error continues, replace the power backplane. Restart the
server.
4. If the error continues, (trained service technician only) replace
the system board.
+5v critical under voltage fault
1. Remove the following devices, which are powered by 5 volts:
v All PCI adapters
v USB devices
v CD-RW/DVD drive
v Tape drive, if one is installed
v Hard disk drive backplane
2.
Reinstall each I/O device removed in step 1, one at a time,
restarting the server each time, to isolate a defective device.
Replace any defective device.
3. If the error continues, replace the power backplane. Restart the
server.
4. If the error continues, (trained service technician only) replace
the system board.
5V fault
1. Remove the following devices, which are powered by 5 volts:
v All PCI adapters
v USB devices
v CD-RW/DVD drive
v Tape drive, if one is installed
v Hard disk drive backplane
2.
Reinstall each I/O device removed in step 1, one at a time,
restarting the server each time, to isolate a defective device.
Replace any defective device.
3. If the error continues, replace the power backplane. Restart the
server.
4. If the error continues, (trained service technician only) replace
the system board.
+2.5v critical over voltage fault Information only
+2.5v critical under voltage fault Information only
+1.8v critical over voltage fault Information only
70 IBM System x3650 Type 7979 and 1914: Problem Determination and Service Guide

IBM System x3650 Type 7979 Specifications

General

Form Factor	2U Rack
Processor Speed	Up to 3.0 GHz
Chipset	Intel 5000P
Memory	Up to 48 GB DDR2
RAM Slots	12 DIMM slots
Network	Dual Gigabit Ethernet
Drive Bays	Hot-swap 3.5" HDD bays
RAID Support	RAID 0, 1, 10
Power Supply	Dual 835W hot-swap
Expansion Slots	6 PCIe
Operating System Support	Windows Server, Linux, VMware
Storage	SAS or SATA HDDs