IBM 86645RY Hardware Maintenance Manual - Page 179

Processor board jumper and switches, Table 11. Processor board jumpers

Page 179 highlights

Processor board jumper and switches Table 11 contains the description of the jumper block located on the processor board. Table 12 shows the switch settings for switch block 2. The highlighted numbers in the tables refer to the highlighted numbers in the illustration in "Processor board component locations" on page 170. Note Turn off the server, and disconnect the power cords before moving any jumpers or changing any switch settings. Table 11. Processor board jumpers Jumper name 6 J15 SP reset jumper Description The default position is a jumper on pins 2 and 3. Table 12. Processor board switch block 2 (SW2) Settings Switch 1 2 Name BIOS Recovery Processor Speed Description The default position is OFF. The default position is OFF. (This sets the system bus speed to 133 MHz.) 3 Bypass power The default position switch button is OFF. 4 Bypass Power On The default position Password is OFF. Changing the switch position to ON bypasses the power-on password check. Netfinity 5600 - Type 8664 171

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Processor board jumper and switches
Table
11 contains the description of the jumper block
located on the processor board.
Table
12 shows the
switch settings for switch block 2.
The highlighted
numbers in the tables refer to the highlighted numbers in
the illustration in “Processor board component locations”
on page
170.
Note
Turn off the server, and disconnect the power cords
before moving any jumpers or changing any switch
settings.
Table 11. Processor board jumpers
Jumper name
Description
±6²
J15 SP reset
jumper
The default position is a jumper on pins 2 and
3.
Table 12. Processor board switch block 2 (SW2)
Settings
Switch
Name
Description
1
BIOS Recovery
The default position
is OFF.
2
Processor Speed
The default position
is OFF.
(This sets
the system bus
speed to 133 MHz.)
3
Bypass power
switch button
The default position
is OFF.
4
Bypass Power On
Password
The default position
is OFF.
Changing
the switch position
to ON bypasses the
power-on password
check.
Netfinity 5600 - Type 8664
171