Biostar N4SLI-A9 User Manual page 21

JSATA1~JSATA4: Serial ATA Connectors
The motherboard has a SATA Controller in nForce4 CK8-04 SLI with 4
channels SATA interface, it satisfies the SATA 2.0 spec and with transfer rate of
3.0Gb/s.
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.
Pin Assignment
1 +5V
3 N/A
5 N/A
7 Speaker
9 HDD LED (+)
11 HDD LED (-)
13 Ground
15 Reset control
17 N/A
19 N/A
21 +5V
23 IRTX
N4SLI-A9
JSATA1 JSATA2
7
4
1
7
4
1
JSATA3 JSATA4
2
1
Function Pin
2 Sleep control
Speaker 4 Ground
Connector
6 N/A
8 Power LED (+)
10 Power LED (+)
Hard drive LED
12 Power LED (-)
14 Power button
Reset button
16 Ground
18 Key
20 Key
IrDA Connector
22 Ground
24 IRRX
19
Pin Assignment
1 Ground
2 TX+
3 TX-
4 Ground
5 RX-
6 RX+
7 Ground
24
23
Assignment Function
Sleep button
N/A
Power LED
Power-on
button
IrDA Connector