Biostar T-Series
TForce4 U 775
User’s Manual
8
JPANEL1: Header for Front Panel Facilities
This 16-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.
1
11
22
SLP
PWR_LED
On/Off
IR(Optional)
RST
HLED
SPK
+ +
+
12
-
-
Pin Assignment
Function
Pin
Assignment
Function
1 +5V
12
Sleep control
2
N/A
13
Ground
Sleep
button
3
N/A
14
N/A
N/A
4
Speaker
Speaker
nector
15
Power LED (+)
5
HDD LED (+)
16
Power LED (+)
6
HDD LED (-)
Hard drive
LED
17
Power LED (-)
Power LED
7
Ground
18
Power button
8
Reset control
Reset
button
19
Ground
Power-on
button
9
N/A
20
Key
10
+5V
21
Ground
11
IRTX
IrDA
Connector
(Optional)
22
IRRX
IrDA
Connector
(Optional)
Serial ATA Connectors: JSATA1~JSATA4
With the SATA Controller provided in the chipset, this motherboard supports 4
channel SATA II connectors. It satisfies the SATA 2.0 spec with transfer rate of 3.0
Gb/s.
Pin
Assignment
1 Ground
2 TX+
3 TX-
4 Ground
5 RX-
6 RX+
JSATA4
JSATA2
JSATA1
JSATA3
1
4
7
7 Ground
Case Open Header: JCI1
This connector allows system to monitor PC case open status. If the signal has
been triggered, it will record to the CMOS and show the message on next boot-up.
Pin
Assignment
1
Case open signal
1
2
2 Ground
