Biostar T-Series
TForce4 SLI
User’s Manual
10
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.
1
2
23
24
Pin Assignment
Function
Pin
Assignment
Function
1 +5V
2 Sleep
control
3 N/A
4 Ground
Sleep button
5 N/A
6 N/A
N/A
7 Speaker
Speaker
Connector
8
Power LED (+)
9
HDD LED (+)
10
Power LED (+)
11 HDD LED (-)
Hard drive
LED
12
Power LED (-)
Power LED
13 Ground
14 Power
button
15 Reset
control
Reset button
16 Ground
Power-on
button
17 N/A
18 Key
19 N/A
20 Key
21 +5V
22 Ground
23 IRTX
IrDA
Connector
24 IRRX
IrDA
Connector
Serial ATA Connectors: JSATA1~JSATA4
The motherboard has an SATA Controller in nForce4 SLI with 4 channels SATA
interface; 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+
JSATA1
1
JSATA2
JSATA3 JSATA4
4
7
1
4
7
7 Ground
Header for Memory Voltage Overclocking: JDDR_OV>3V
When processing Memory Voltage Overclocking, please place the jumper to
pin1-2 Closed. The Default setting is Pin 2-3 Closed.
1
3
Pin 1-2 Close:
Memory voltage Overclocking.
1
3
1
3
Pin 2-3 Close:
Normal status (default).
Note:
1.
When “JDDR_OV>3V” jumper cap is placed on Pin 2-3, memory voltage can be
manually adjusted under CMOS setup.
2.
When “JDDR_OV>3V” jumper cap is placed on Pin 1-2, memory voltage will be fixed
at 3.3V automatically, and can’t be adjusted under COMS setup.
3.
Before setting memory voltage overclocking, please ensure that your DDR supports up
to 3V. (Consulting your DDR supplier)
