IBM B50 manual Locate jumper J15 using the following illustration

1. Locate jumper J15 using the following illustration.

J15

2. Remove any adapters that are blocking the jumper.

3. To	move the		jumper,		first	touch the metal		frame of the server, then gently pull
upward		on the small box (jumper) covering the							pins.
Ÿ	To	enable	the	automatic		power-up	feature,		place the jumper over the	rear
	two	pins.
Ÿ	To	disable	the automatic power-up feature,						place the jumper over the	front
	two	pins.	This	is	the	factory	default	setting.

4. Reinstall any adapters you may have removed.

4-147046 Model B50 User's Guide