Filter
Top Products
System board jumpers: The following illustration shows the location of the flash
ROM page swap jumper (J14) and power-on password override jumper (J15) on the
system board. Jumper J14 is located at the top of the jumper block, and jumper J15
is located immediately below jumper J14.
Flash ROM
page swap
jumper (J14)
Power-on
password
override
jumper (J15)
Reserved (J3)
Reserved (J17)
Notes:
1. Turn off the server; then, disconnect all power cords and external cables. before
moving any jumpers.
2. Jumpers J19 and J3 are located on the same jumper block as jumpers J14 and
J15 on the system board. These jumpers are set to Disabled. Do not change
the settings on these jumpers.
Attention: If you change the settings on these jumpers, the server will fail.
3. See “Changing jumper positions” on page 69 for additional information on
setting jumpers.
Table 9. Jumpers J14 and J15 on the system board
Jumper name Description
J14
Flash ROM page
swap
The default position is a jumper installed on pins 2 and 3.
See “Recovering BIOS” on page 20 for additional information.
J15
Power-on password
override
Changing the position of this jumper bypasses the power-on
password check if the jumper has been moved since the server was
last powered on. You do not need to move the jumper back to the
default position after the password is overridden. The default
position is a jumper on pins 2 and 3.
Changing the position of this jumper does not affect the
administrator password check if an administrator password is set.
See “Power-on password” on page 38 for additional information on
the power-on password.
Table 10. Jumper setback table
J13 J27 J28 J29 Bus Ratio Core Frequency
H L L H 7:1 700
HLHL 8:1 800
44 IBM xSeries 350 Type 8682: Hardware Maintenance Manual