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Chapter 6: Troubleshooting and Support
No Power
•
Check that the power LED on the motherboard is on.
•
Make sure that the power connector is connected to the power supply.
•
Check that the motherboard battery still supplies ~3VDC. If it does not, replace it.
•
Check that the system input voltage is 100-120v or 180-240v.
•
Turn the power switch on and off to test the system
No Video
If the power is on but you have no video, remove all add-on cards and cables.
Figure 6-3. Location of the MB Power LED
JTPM1
CPU1 PCI-E 4.0 X16
BA
TTER
Y
CPU1
P1-DIMMH2 P1-DIMMH1 P1-DIMME2 P1-DIMME1
P1-DIMMG2 P1-DIMMG1
P1-DIMMF2 P1-DIMMF1
CPU1
P1-DIMMA1
P1-DIMMB1 P1-DIMMB2
P1-DIMMC1
P1-DIMMA2 P1-DIMMD1 P1-DIMMD2
CPU1
P1-DIMMC2
REV:1.00A
B12DPE-6
BAR CODE
P2-DIMMC2 P2-DIMMC1 P2-DIMMD2
CPU2
P2-DIMMD1 P2-DIMMA2 P2-DIMMA1 P2-DIMMB2 P2-DIMMB1
P2-DIMME1
P2-DIMMH1
P2-DIMME2
P2-DIMMF2
P2-DIMMF1
P2-DIMMG2
P2-DIMMG1
P2-DIMMH2
CPU2
MP1
JMEZZ1
PWR1
PWR2
BT1
J33
JBT1
LEDM1
CPLD1
MAC CODE
JRK1
BIOS
PCH
LAN
Controller
BMC
BMC Flash
CPLD Flash
CPLD
Dual Boot
VROC
CPU2
JPM1
LEDM1
6.3 Troubleshooting Procedures
Use the following procedures to troubleshoot your system. If you have followed all of the
procedures below and still need assistance, refer to the
Returning Merchandise for Service
changing any non hot-swap hardware components.
General Technique
If you experience unstable operation or get no boot response, try:
1.
With power off, remove all but one DIMM and other added components, such as add-on
cards, from the motherboard. Make sure the motherboard is not shorted to the chassis.
2. Set all jumpers to their default positions.
3. Power up. If the system boots, check for memory errors and add-on card problems.