CPU Power Voltage Jumper
At the time of this writing, only i486DX4 requires 3.3-Volt power input.
Select 5-Volt option for all other Intel CPUs.
JP80 Pin positionS
CPU
VOLTAG
E
JP80
5-V
1-3 , 2-4
2
4
6
3.3-V DX4
3-5, 4-6
1
3
5
Cache Size Jumpers
The system board supports 256KB, 512KB, and 1MB cache sizes.
Cache Size Jumper Selection
Cach
e
Size
JP2
0
JP2
1
JP62
256KB
1-2
1-2
OFF
512KB
2-3
2-3
OFF
1MB
2-3
OFF
2-3
Cache Size and SRAM Locations
Cache
Size
Tag RAM
U28
Data Bank 0
U29, U30,
U31, U32
Data Bank 1
U24, U25,
U26, U27
256KB
32Kx8
32Kx8
32Kx8
512KB
32Kx8
NONE
128Kx8
1MB
128Kx8
128Kx8
128Kx8
For 1MB cache only: Go to Chipset Feature BIOS Setup to
enable 1MB Cache Memory option.
486VP System Board User's Manual Page 13
Summary of Contents for 486VP
Page 1: ...486VP VL PCI System Board USER S MANUAL Revision 1 0...
Page 9: ...3 6V 60mA on board battery Page 8 486VP System Board User s Manual...
Page 11: ...Page 10 486VP System Board User s Manual...
Page 12: ...FIGURE 486VP System Board User s Manual Page 11...
Page 29: ...PG UP PG DN Modify the Setup Item Page 28 486VP System Board User s Manual...