Jumper Settings on the OLYMPIA Board
CPU settings
jumper setting function
JP1
1-2 Select 486DX, 486DX2
2-3 Select 486SX PGA-Type CPU
JP6, JP7
1-2* Select 486SX, 486DX, 486DX2
JP12
2-3
Select P24D or P54T
JP8, JP9
1-2*
Select EPROM BIOS
2-3
Reserved
JP10,JP11
1-2
DRQ1,DACK1# in ECP, EPP mode
2-3* DRQ3,DACK3# in ECP, EPP mode
SW1
CPU clock setting (25 MHz) CPU clock setting (33 MHz)
SX/25, DX/25, DX2/50 SX/33, DX/33, DX2/66
1 ON OFF
2
OFF ON
3
ON ON
DIP switch settings related to password and video usage on the main board
SW1 setting function
4
ON*
When using a password
OFF If no password is used
5
ON* Color video card selection
OFF Choose a mono video card
6
ON* When using the built-in video adapter
OFF If you are not using the built-in video adapter
cache memory settings
jumper
0KB 128KB
256KB
JP2 1-2 2-3 2-3
JP3 1-2 1-2 2-3
JP4 1-2 2-3 1-2
JP5 1-2 1-2 2-3
Resolution-related jumper settings for your monitor
jumper function
VJ1 VJ2
800*600 Vertical Refresh Rate
1-2* 1-2*
800*600 in 2, 16, or 256 colors, 56Hz
1-2 2-3
800*600 in 2, 16, or 256 colors, 60Hz
2-3 1-2
800*600 in 2, 16, or 256 colors, 72Hz
2-3 2-3 800*600 in 2, 16, or 256 colors, 56Hz
jumper function
VJ3
VJ4 1024*768 Vertical Refresh Rate
1-2*
1-2*
1024*768 in 2, 16, or 256 colors, Interlaced
1-2 2-3 1024*768 in 2, 16, or 256 colors, non-Interlaced
2-3 1-2 1024*768 in 2, 16, or 256 colors, non-Interlaced
2-3 2-3 1024*768 in 2, 16, or 256 colors, non-Interlaced