IBM 8682 Jumpers J14 and J15 on the system board, Jumper name, Description, Jumper setback table

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.

Reserved (J3)

Reserved (J17)

Power-on password override jumper (J15)

Flash ROM page swap jumper (J14)

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		The default position is a jumper installed on pins 2 and 3.
Flash ROM page		See “Recovering BIOS” on page 20 for additional information.
swap
J15		Changing the position of this jumper bypasses the power-on
Power-on password		password check if the jumper has been moved since the server was
override		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
H	L		H	L	8:1	800

44IBM xSeries 350 Type 8682: Hardware Maintenance Manual