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SUPER 370SBA/370SBM/370SLA/370SLM
User's Manual
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Frequently Asked Questions
Question:
What are the differences between the various memories that
the 370SBA/370SBM/370SLA/370SLM motherboard can support?
Answer:
The 370SBA/370SBM integrates a main memory DRAM controller
that supports a 64-bit or 72-bit (64 bit memory data plus 8 ECC bits.) DRAM
from 8 MB to 512 MB for SDRAM and from 8 MB to 768 MB for EDO or
registered DIMM. The DRAM types supported are either Extended Data Out
(EDO), Synchronous DRAM (SDRAM) or Registered DIM modules.
Note: EDO DIMMs are not recommended for running 100 MHz bus speed.
1. Mixing ECC and non-ECC will result in non-ECC operation. EC/ECC is
supported properly in the 440BX, only if all the memory are 72 bit
wide. A system with a mixture of 64 and 72-bit wide memory will
disable ECC mode.
2. EDO memory and SDRAM cannot be mixed.
3. Registered SDRAM and unbuffered SDRAM cannot be mixed.
4. Mixing PC/100 DIMM and PC/66 DIMM will result in an unexpected
memory count or system errors.
5. User should populate the DIMM starting with the DIMM socket located
the furthest from the BX chip.
6. If EDO memory is used, the CPU bus should be set at 66 MHz Bus
speed only.
Question:
How do I update my BIOS?
A n s w e r :
U p d a t e B I O S f i l e s a r e l o c a t e d o n o u r w e b s i t e a t
http:// www.supermicro.com. Please check the current BIOS revision and
make sure it is newer than your BIOS before downloading. Select your
motherboard model and download the BIOS file to your computer. Unzip the
BIOS update file and you will find three files: readme.txt (flash instructions),
sm2flash.com (BIOS flash utility), and the BIOS image file (xxxxxx.rom). Copy
these files onto a bootable floppy and reboot your system. It is not necessary
to set BIOS boot block protection jumpers on the motherboard. At the DOS
prompt, enter the command "sm2flash." This will start the flash utility and give
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