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3-2
SUPER P4SCT/P4SCT+/P4SCT+II 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 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 875P Canterwood/7210 Canterwood ES chipset 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 (http://www.supermicro.com/techsupport.htm)
before contacting Technical Support.