Biostar TForce4 U User Manual page 12

Biostar T-Series
JPANEL1: Header for Front Panel Facilities
This 24-pin connector includes Power-on, Reset, HDD LED, Power LED, Sleep
button, speaker and IrDA Connection. It allows user to connect the PC case's
front panel switch functions.
Codec
Pin Assignment Function
1 +5V
3 N/A
Speaker Connector
5 N/A
7 Speaker
9 HDD LED (+)
Hard drive LED
11 HDD LED (-)
13 Ground
Reset button
15 Reset control
17 N/A
19 N/A
IrDA Connector
21 +5V
23 IRTX
BIOS
JPANEL1
2 24
23
1
Pin Assignment Function
2 Sleep control
Sleep button
4 Ground
6 N/A N/A
8 Power LED (+)
Power LED
10 Power LED (+)
12 Power LED (-)
14 Power button
Power-on button
16 Ground
18 Key
20 Key
IrDA Connector
22 Ground
24 IRRX
LED Indicators and Buttons
There are 4 LED indicators on the motherboard to show system status.
Codec
LED_D1 and LED_D2:
These 2 LED indicate system power on diagnostics.
Please refer to the table below for different messages:
LED_D1 LED_D2
ON ON
ON OFF
OFF ON
OFF OFF
LED_DIMM:
This LED indicates the voltage of memory is activated normally.
LED_5SB:
This LED indicates the system is ready for Power-on.
PWRSW:
This is an on-board Power Switch button.
RSTSW:
This is an on-board Reset button.
10
TForce4/ TForce4 U
LED_D1
LED_D2
LED_DIMM
LED_5SB
PWRSW RSTSW
BIOS
Message
Normal
Memory Error
VGA Error
CPU / Chipset Error
User's Manual