Chapter 2: Hardware Setup; Jumpers; Factory Set Jumpers; Jp25: Sleep Switch Connector Enable/Disable - SOYO Pentium SiS 551x User's Manual & Technical Reference

2
Hardware Setup
This chapter explains how to configure the mainboard 's 's hardware. After you install
the mainboard, you can set jumpers, install memory on the mainboard, and make
case connections. Refer to this chapter whenever you upgrade or reconfigure your
system.
CAUTION: Turn off power to the
peripheral devices before performing any work on the
mainboard or system

Jumpers

Factory Set Jumpers '

The following jumpers are set at the factory as below. -
Jumpers
JP28, JP29, JP31, JP36, JP37,
JP47
J21
JP5, JP34, JP48, JP53, JP50, Factory setting at 1-2
JP51
JP28, JP29, JP32, JP33, JP47
JP30
JP25:
Sleep Switch Connector Enable/Disable
Toggle this jumper to force the system into power saving (Green) mode. Any
hardware IRQ signal makes the system wakeups.
mainboard, system
Factory settings
Factory fixed at Short
Reserved
Factory setting at 2-3
Factory freed at 3-5 and 4-6
chassis, and