Oracle Vacuum Cleaner CPU-56T User Manual

Page of 145
Installation
Switch Settings
46
SPARC/CPU−56T
Switch Settings
Board Damage
Setting/resetting the switches during operation causes board damage.
Therefore, check and change switch settings before you install the board.
The CPU board provides four configuration switches: SW1, SW2, SW3 and SW4.
O
N
1
2
3
4
8G
SW4
O
N
1
2
3
4
8G
O
N
1
2
3
4
8G
O
N
1
2
3
4
8G
Figure 3:
 Location of Switches on Board’s Top Side
Table 7:
 Switch Settings
Switch
No.
Description
SW1
1
Flash memory write protection
OFF (default): Flash memory writing disabled
ON: Flash memory writing enabled
2
Boot device selection
OFF (default): Boot from PLCC PROM
ON: Boot from flash memory device
3
Enable watchdog
OFF (default): Watchdog disabled
ON: Watchdog enabled
4
Enable reset/abort key
OFF (default): reset/abort key enabled
ON: reset/abort key disabled
SW2
1..4
User defined switches. For detailed information refer to section
"Switch 1 and 2 Status Register".
SW3
1
Enable Termination for SCSI 1
OFF (default): Termination enabled
ON: Termination disabled