User's Guide
Revision. B3
April, 2001
Capability Expand
2-2
2-2 Switches
Switches on the CPU board are used to select options for different functions used. The switch-on or off is
to accommodate the variations of the following table.
Switch Setting Table (*: default setup)
S1 (*: Default setting)
1 2 3 4 CPU
FSB
/
Memory
ON ON OFF OFF *
Auto
detect
OFF OFF ON ON 66MHZ
/
PC100
SDRAM
OFF OFF OFF ON 100MHZ
/
PC100
SDRAM
OFF OFF ON OFF 133MHZ
/
PC133
SDRAM
OFF OFF OFF OFF Reserve
SW2 (*: Default setting)
SW2
1
2 3 4 5 6 7 8 9 10
RS232 (*)
OFF
OFF OFF ON OFF ON OFF OFF OFF OFF
RS422
ON
ON ON OFF ON OFF ON ON ON ON
RS485
ON
ON OFF ON ON OFF OFF OFF OFF ON
SW1 (*: Default setting)
SW1/M-System Disable
(*) C0000
C8000
D0000
D8000
1
OFF ON ON ON ON
2 X
ON
ON
OFF
OFF
3
X ON OFF ON OFF
4
X X X X X
LVDS Power Selection (optional) (*: Default setting)
J22
*3V 1-2
5V 2-3
ATI Output selection (optional) (*: Default setting)
S2 - 1
S2 - 2
S2 - 3
S2 - 3
*CRT/DVI
OFF OFF OFF X
LVDS
ON ON ON X