Supermicro P4SC8 User Manual download pdf (Page 42)

3-2

SUPER P4SC8/P4SCi User's Manual

NOTE: If you are a system integrator, VAR or OEM, a POST

diagnostics card is recommended. For I/O port 80h codes, refer

to Appendix B.

Memory Errors

1. Make sure the DIMM modules are properly and fully installed.

2. You should be using unbuffered ECC/Non ECC DDR memory (see the next

page). Also, it is recommended that you use the same memory speed

for all DIMMs in the system. See Section 2-4 for memory limitations.

3. Check for bad DIMM modules or slots by swapping modules between

slots and noting the results.

4. Check the power supply voltage 115V/230V switch.

Note: The Intel 7210 chip supports non-ECC or ECC Unbuffered memory. If ECC

memory is installed, the ECC bits need to be initialized via BIOS before normal

operation. For a 4 GB-Memory and 2.4-GHz P4 system, it will take about 65

seconds for all the ECC bits to be initialized before any video displays. Since ECC

initialization takes time, the Watch Dog Timer Select needs to be set to a time

longer than what the ECC initialization will take.

Losing the System’s Setup Configuration

1. Make sure that you are using a high quality power supply. A poor quality

power supply may cause the system to lose CMOS setup information.

Refer to Section 1-6 for details on recommended power supplies.

2. The battery on your motherboard may be old. Check to verify that it still

supplies ~3VDC. If it does not, replace it with a new one.

3. If the above steps do not fix the Setup Configuration problems, contact

your vendor for repair.

3-2 Technical Support Procedures

Before contacting Technical Support, please take the following steps. Also,

note that as a motherboard manufacturer, Supermicro does not sell directly

to end-users, so it is best to first check with your distributor or reseller for

troubleshooting services. They should know of any possible problem(s)

with the specific system configuration that was sold to you.

1. Please go through the ‘Troubleshooting Procedures’ and 'Frequently

Asked Questions' (FAQs) sections in this chapter or see the FAQs on

our web site at (http://www.supermicro.com/support/faqs) before con-

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Supermicro P4SC8 User Manual Page 42