Sun Microsystems CP3250 manual Changing Jumper Settings, Clearing the Cmos Setting Using Jumper

2.3.10Changing Jumper Settings

Jumpers and their switches are located near the heatsink on the blade server.

2.3.10.1Clearing the CMOS Setting Using Jumper 2

Reset jumper 2 to clear the CMOS settings, which restores the default BIOS settings.

Jumper 2 is shown in FIGURE 2-12. The jumper housing should be stored in the P2/P3 position, which is the run position.

FIGURE 2-12Jumper 2 in the Default Run Position

TABLE 2-4provides information on the pin functions on jumper 2.

TABLE 2-4Pin Functions on Jumper 2

Pin Number	Purpose
Pin 1	Battery Feed
Pin 2	VCC_RTC (destination for battery
	power)
Pin 3	BATT_CLR (resistor to GND, used to
	drain capacitive charge and clear the
	CMOS memory)

Chapter 2 Hardware Installation and Service 2-31