American Megatrends Super Voyager PCI-II User Manual page 20

Step 1 Set Jumpers,
Setting the Internal Cache Memory Mode on the CPU
The internal ccache memory mode is set automatically by WINBIOS to write-through or write-back.
Installed CPU
Intel P24D or P24T, Cyrix M7 or M9, or AMD
using write-back caching,
Intel 486DX, 486SX, 486DX2, 486SX2, 486DX4,
or AMD using write-through caching,
Setting Jumpers for AMD Plus CPU Caching Modes for L1 Cache Memory
The caching mode for the L1 cache memory for AMD CPUs is included in the CPU number. CPUs that support write-back caching have B as
the last letter. CPUs that support write-through caching have T as the last letter. J9 and J12 should be set as follows for AMD CPUs:
AMD CPU
AM486+ DX2 WT (33/66
MHz)
AM486+ DX2 WB (33/66
MHz)
AM486 DX4 WT (33/100
MHz)
AM486 DX4 WB (33/100
MHz)
Super Voyager PCI-II 486 ISA Motherboard User's Guide
Continued
Internal Cache
mode is set to
WB (write-back
WT (write-through
J12
Short Pins 1-2 Short Pins 1-2
OPEN Short Pins 1-2
Short Pins 1-2 Short Pins 2-3
OPEN Short Pins 2-3
mode).
mode).
J9
Cont'd
17