SOYO SY-5SSM User's Manual & Technical Reference page 39

Hardware Setup
Step 18. CACHE CONFIGURATION
This Motherboard has a built-in 512KB/1MB Level 2 Pipelined Burst
cache onboard to improve the system performance.
The cache size and RAM locations are specified as follows:
Cache Size
1 MB
512 KB
Note: WT: Write Through
WB: Write back, WB gives best performance.
Step 19. Power On
You have now completed the hardware installation of your
Motherboard successfully.
1. Turn the power on
2. To enter the BIOS Setup Utility, press the <DEL> key while the
system is performing the diagnostic checks,
Note: If you have failed to enter the BIOS, wait until the boot
up sequence is completed. Then push the RESET button and
press <DEL> key again at the beginning of boot-up, during
diagnostic checks.
Cache RAM
64K x 64
on U1,U5
64K x 64
on U5
35
SY-5SSM & SY-5SSM/5 V1.1
TAG RAM
32K x 8
on U11
32K x 8
on U11
Cacheable
Range
WT: 256 MB
WB: 128MB
WT: 128 MB
WB: 64 MB