User`s manual

13
1394 Port 2 Headers
Pin 1
1394B1
TPA+
TPB-
VCC
TPB+
GND
TPA-
GND
VCC
GND
(4) IDE Activity LED: HD_LED
This connector connects to the hard disk activity indicator light on the case.
(5) Reset switch lead: RESET
This 2-pin connector connects to the case-mounted reset switch for rebooting your
computer without having to turn off your power switch. This is a preferred method of
rebooting in order to prolong the lift of the system’s power supply. See the figure
below.
(6) Speaker connector: SPEAK
This 4-pin connector connects to the case-mounted speaker. See the figure below.
(7) Power LED: PWR LED
The Power LED is light on while the system power is on. Connect the Power LED
from the system case to this pin.
(8) Power switch: PWR BTN
This 2-pin connector connects to the case-mounted power switch to power ON/OFF the
system.
System Case Connections
HDLED
RESET
HLED+
GND
PWRLE
PWR LED
PWRBTN
GND
PWRLED
HLED-
RST
NC
PWRBT
JW FP
Pin 1
SPEAK
SPKR
GND
NC
VCC5
PWRLED
Pin 1
(9) PS/2 Mouse & PS/2 Keyboard Connector: PS2KBMS
The connectors are for PS/2 keyboard and PS/2 Mouse input devices.