Chapter 2
17
JP30 (ROM SIP)
The ROM Serial Initialization Packet (SIP) function is for advanced user to use the
Boot ROM to boot up the system. For normal booting operation you must set the
jumper cap to pins 1-2 Hardware (default).
CN1A (Front Panel Connector):
1.
PWR-SW
(Over-ride Power Button Connector):
The power button on the ATX chassis can be used as a normal power switch as
well as a device to activate Advanced Power Management Suspend mode. This
mode is used for saving electricity when the computer is not in use for long periods
of time. The Soft-OFF by PWR-BTTN function in BIOS's Power Management
Setup menu must be set to [
Delay 4 Sec.
] to activate this function.
When the Soft-OFF by PWR-BTTN function is enabled, pushing the power button
rapidly will switch the system to Suspend mode. Any occurrence of external
Pin
Definition
1-2 Hardware (default)
2-3 Boot
ROM
Chapter 2
18
activities such as pressing a key on the keyboard or moving the mouse will bring
the system back to Full-On. Pushing the button while in Full-On mode for more
than [
4 seconds
] will switch the system completely off. See Over-ride Power
Button Operation diagram.
2.
P-LED
(Power LED Connector):
The power indicator LED shows the system's power status. It is important to pay
attention to the correct cables and pin orientation. (i.e., not to reverse the order of
these two connectors.)
3.
G-BTN/G-LED
(Green Button Switch/LED Connector):
Some ATX cases provide a Green button switch, which is used to put the system in
Suspend mode. In Suspend mode, the power supply to the system is reduced to a
trickle, the CPU clock is stopped, and the CPU core is in its minimum power state.
The system is woken up whenever the keyboard or mouse is touched. The system
resumes in different ways as defined by Power Management Setup screen in BIOS.
4.
RESET
(System Reset Switch Connector):
This connector should be connected to the reset switch on the front panel of the
system case. The reset switch allows you to restart the system without turning the
power off.
5.
SPEAKER
(Speaker Connector):
This 4-pin connector connects to the case-mounted speaker.
6.
HD-LED
(IDE Activity LED Connector):
The IDE activity LED lights up whenever the system reads/writes to the IDE
devices.
CN2/2A (CD-ROM Audio-in Connector):
Use the audio cable enclosed with your CD-ROM disk drive to connect the
CD-ROM drive onto your motherboard. This will enable your CD-ROM's audio
