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Configuring Your System 3-23
Table 3-10. System I/O Board Switch and Jumper Configurations
Switch/
Jumper Description Option Setting
Factory
Default
Your
Setting
SCSI Channel A
4J1
SCSI channel A
select
Narrow SCSI for channel
A
Wide SCSI for channel A
A-B
B-C
B-C
(down)
FLASH Code
9A2
FLASH
reprogramming
protection
BIOS write protected; no
update
BIOS not write protected;
update
A-B
B-C
B-C
(down)
Reserved
P16
All three jumpers
must be to the left.
Required on factory
default.
A-B
B-C
B-C
(left)
B-C
(left)
Reserved
P18
All nine jumpers
must be in.
Required on factory
default.
IN IN IN
Reserved
10K9
Required on factory
default.
B-C B-C
(down)
B-C
(down)
Reserved
13A1 SW1
Required on factory
default.
OFF OFF OFF
Reserved
13A1 SW2
Required on factory
default.
OFF OFF OFF
Reserved
13A1 SW3
Required on factory
default.
OFF OFF OFF
Reserved
13A1 SW4
Required on factory
default.
OFF OFF OFF
CMOS Clear
13A SW1
Real-time clock
CMOS protection
RTC CMOS clear
RTC CMOS not cleared
ON
OFF
OFF
Password Clear
13A SW2
Password
protection
Password clear
Password protected
ON
OFF
OFF
Reserved
13A SW3
Required on factory
default.
OFF OFF OFF
Reserved
13A SW4
Required on factory
default.
OFF OFF OFF
Model Type
8A2 SW1
Used with switches
8A2 SW2, 8A2
SW3 and 8A2 SW4
to set server model
Required on factory
default.
ON ON ON
Model Type
8A2 SW2
Used with switches
8A2 SW1, 8A2
SW3 and 8A2 SW4
to set server model
Required on factory
default.
ON ON ON
Model Type
8A2 SW3
Used with switches
8A2 SW1, 8A2
SW2 and 8A2 SW4
to set server model
Required on factory
default.
OFF OFF OFF
Model Type
8A2 SW4
Used with switches
8A2 SW1, 8A2
SW2 and 8A2 SW3
to set server model
Required on factory
default.
OFF OFF OFF