233 MHz
266 MHz
300 MHz*
333 MHz
Function
Keep CMOS data
Clear CMOS data
* default
* default
4
SBC-775 Installation Guide
A
B
open
closed
open
open
open
closed
open
open
Jumper setting
1-2 closed*
2-3 closed
C
D
closed
closed
open
open
open
open
closed
open
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
1
1