Introduction
1-5
Jumpers & Connectors
SW1
JFP1
This is used to set the CPU FSB frequency.
133MHz
100MHz
3
1
2
The Keylock, Power Switch, Reset Switch, Power
LED, Speaker, and HDD LED are all connected to
the JFP1 connector block.
If Onboard Buzzer is available, then:
Always short pin 14-15
to enable Onboard
Buzzer
This connector is for optional wireless transmitting and
receiving infrared module.
VCC
NC
IRRX
GND
IRTX
5
J6
The JMDM1 connector is for use with Modem add-on
card that supports the Modem Wake Up function.
JMDM1
1
5
NC
GND
5VSB
NC
MDM_WAKEUP
1
+
HDD LED
+
Power LED
Power Switch
Reset
Switch
15
14
Speaker
Buzzer
(short pin)
Keylock
JBAT1
A battery must be used to retain the mainboard configuration in
CMOS RAM. Short 1-2 pins of JBAT1 to store the CMOS data.
Keep Data
Clear Data
3
1
2
JKBV1
This is used to set the PS/2 Keyboard/Mouse wake-up (power on)
function.
3
1
2
VCC 5V --
Disable Keyboard
Power On Function
5V Standby (Default)--
Enable Keyboard Power
On Function
JGL1
Attach a power saving LED to JGL1.
3
1
2
J8
Connect a 2-pin chassis intrusion switch to the connector.
