Gigabyte GA-8ILFT O SIRQ For special design, for example PCMCIA add on card, C ATXPOWER ATX Power

C) ATX_POWER (ATX Power)

1

3.3V

-12V

GND

PS-ON(SoftOn/Off)

GND

GND

GND

-5V

V CC

V CC

20

	ØAC power cord should only be connected to
	your power supply unit after ATX power cable
3.3V	and other related devices are firmly
3.3V	connected to the mainboard.
GND
V CC
GND

VCC GND Power Good

5V SB (Stand by +5V)

+12V

E

J) B IOS_WP (BIOS Write Protect ion)

2-3 close: Normal

1

1-2 close: Write Protection

1

ØPlease note, To flash/upgrade BIOS on this MB BIOS_WP must be set to 2-3 close. We recommend BIOS_WP to be set to "1-2 close", whenever user does not needto flash/upgrade the BIOS.

O) S_IRQ (For special design, for example: PCMCIA add on card)

GND

Signal

1

n

- 19 - Hardware Installation Process