SUPER MICRO Computer X8DTU-6TF+-LR, X8DTU-6F+ Memory Errors, When the System Becomes Unstable

Chapter 4: Troubleshooting

Memory Errors

When a No_Memory_Beep_Code is issued by the system, check the following:

1.Make sure that the memory modules are compatible and that the DIMM mod- ules are properly and fully installed. (For memory compatibility, refer to the Memory Compatibility Chart posted on our website @ http://www.supermicro. com.)

2.Check if different speeds of DIMMs have been installed. It is strongly recom- mended to use the same RAM speed for all DIMMs in the system.

3.Make sure you are using the correct type of DDR3 Registered/Load Reduced/ Unbuffered ECC or Non-ECC SDRAM modules as recommended by the manufacturer. Refer to Page 2-6 for memory support.

4.Check for bad DIMM modules or slots by swapping a single module among all memory slots and check the results.

5.Make sure that all memory modules are fully seated in their slots. Follow the instructions given in Section 3-3 in Chapter 3.

6.Please follow the instructions given in the DIMM Population Tables listed in Section 3-3 to install your memory modules.

When the System Becomes Unstable

A. When the system becomes unstable during or after OS installation, check the following:

1. OS Compatibility: Check if the OS is compatible with your system

1.CPU/BIOS support: Check if your CPU is supported and if you have the latest BIOS installed.

2.Memory support: Make sure that the memory modules are supported by test- ing the modules using memtest86 or a similar utility.

Note: Refer to the product page on our website http:\\www.supermicro. com for memory compatibility list.

3.HDD support: Check if all hard disk drives (HDDs) work properly. Replace the bad HDDs with good ones.

4.System cooling: Check system cooling to make sure that all heatsink fans, and CPU/system fans, etc., work properly. Check Hardware Monitoring set-

4-3