Supermicro SuperServer SYS-121H-TNR - 7.3 Troubleshooting Procedures

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Chapter 7: Troubleshooting and Support
7.3 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 Technical Support Procedures or
Returning Merchandise for Service section(s) in this chapter. Power down the system before
changing any non hot-swap hardware components.
General Technique
If you experience unstable operation or get no boot response, try:
1. With power o󰀨, 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.
Figure 7-3. Location of the MB Power LED
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 approximately 3VDC. If it does not,
replace it.
• Check that the system input voltage is 100-120VAC or 180-240VAC.
• Turn the power switch on and o󰀨 to test the system
JITP1
X13DEM
REV:1.02A
BAR CODE
IPMI CODE
CPU1
CPU2
JPRG1
MH5
MH10
MH4
MH3
MH2
MH12
MH11
FAN8
FAN7
FAN6
FAN5
FAN4
FAN3
FAN2
FAN1
LEDM1
LED1
LEDBMC
JVRM1
JPFR1
JTPM1
JRK1
MH9
MH1
JUSB3
JRSI2C1
JNVI2C1
JNVVPP1
JRU1
JL1
JF3_JIPMB1
JPCIE2B1
JPCIE2A1
JIO1
JPCIE3B1
JPCIE3A1
JPCIE5B1
JPCIE5A1
P1_NVME0 P1_NVME1
P1_NVME3
P1_NVME2
P2_NVME1
P2_NVME0
P2_NVME3
P2_NVME2
PSU2
PSU1
M.2-H2 M.2-H1
JBT1
BT1
JFP2
JPCIE1
JPCIE4
JAIOM1
JNCSI1
MH16
MH17
MH18
MH19
MH15
JPMW4
JPMW3
JPMW2
JPMW5
JPMW1
JPWR1
JPWR4
JAIOM2SB1
JS1
VROC
RAID Key
JFP1
Front Panel CTRL2
LEDPWR
LED2
P1_PE0 15-0 P1-AIOM PCIe 5.0 X16
P2_PE4 7-0
P2 PCIe 5.0 X8
P2_PE4 8-15
P2 PCIe 5.0 X8
5.0 X8P2 PCIe
P2_PE3 0-7
P2 PCIe 5.0 X8
P1 PCe 5.0 X8
P1 PCIe 5.0 X8
P1_PE3 8-15
P1 PCIe 5.0 X8
P1_PE3 0-7
P1 PCIe 5.0 X8
P1_PE4 0-7
P2_PE0 0-7
P2 PCIe 5.0 X8
P2 PCI-E 5.0 X8
P2_PE0 8-15
P2_PE1 15-0
P2 SLOT2 PCIe5.0 X16
P2 PCIe 5.0 X8
P2 PCIe 5.0 X8
P2_PE2 8-15
P2_PE2 0-7
BMC LAN/USB/VGA
USB2/3 (3.0)
SATA 0-7
P1_PE1 7-0
P1 PCIe 5.0 X8
P1_PE1 15-8
P1 PCIe 5.0 X8
P1 SLOT1 PCIe 5.0 X16
P1_PE2 15-0
JIPMB1
UID-LED
TPM/PORT80
P2-DIMMD1 P2-DIMMD2 P2-DIMMC2
P2-DIMMC1
P2-DIMMB1 P2-DIMMB2 P2-DIMMA1 P2-DIMMA2
P2-DIMME2
P2-DIMMF2
P2-DIMME1
P2-DIMMF1 P2-DIMMG2 P2-DIMMH1 P2-DIMMH2 P2-DIMMG1
CLEAR
CMOS
P1-DIMMD2 P1-DIMMD1
P1-DIMMC1 P1-DIMMC2 P1-DIMMB1 P1-DIMMB2 P1-DIMMA1 P1-DIMMA2
P1-DIMME1 P1-DIMME2 P1-DIMMF1 P1-DIMMG2 P1-DIMMF2 P1-DIMMH2 P1-DIMMG1 P1-DIMMH1
Battery
UID/BMC Reset
FP CTRL1
Power Supply Unit 2
Power Supply Unit1
BMC
PCH
P2_PE3 8-15 P1_PE4 8-15
BMC
CPLD BIOS
Flash_CPLD
FAN10
FAN9
P2 PCIe 5.0 X8
LED2