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SL-K8T-939FL
2-10.2 USB Ports and USB Pin-headers
This series provides 4 USB ports on board supporting various USB
devices. In addition, 2 USB pin-headers are added on board to provide
expansion of 4 more optional USB ports by using 2 additional USB
Cables. User can order the optional USB cables from your mainboard
dealer or vender.
When plugging the USB cable to USB Header, users must make sure
the red wire is connected to Pin 1.
All 8 USB ports are compliant with 1.0 / 2.0 USB Bus. USB 2.0 sup-
ports Windows 98 and above. USB 1.0 / 2.0 drivers are provided in
Support CD for user's installation.
4 USB ports
1
Fan1
Mouse
JKB1
(on top)
PS/2 K/eyboard
SPDIF
In
SPDIF
Out
IEEE1394
(on top)
PW2
+12V Power
USB port
USB port
RJ45
(on top)
USB port
USB port
VIA
Fan3
VT6103L
10
1
IEEE1
PCI 1
VIA
VT6307
PCI 2
CD-IN
1
PCI 3
1
JAUD1
PCI 4
PCI 5
ALC850
LTP1
1
Header USB2 for
2 USB ports
USB Pin-header supporting 2 USB ports
First USB Port Wiring for 1 Front USB port
USB Header
Pin Assignment
Second USB Port Wiring for another Front USB port
VIA
LED2
K8T800
Pro
AGP 8X/4X
IDE1
1
IDE2
1
VIA
VT8237R
ATA1
Li
BIOS
Battery
LED1
FDD1
USB3
USB2
JBAT1
1
1
1
1
Header USB3 for
2 USB ports
Red White
Green
D1-
D1+
+5V
1
D2-
+5V
D2+
White
Red
Green
Fan4
PW1
FAN2
LPC I/O
IT8705F
RT1
HDD
LED
IR
PWR
+
-
NJ1
1
-
+
SPK
RST
PWLED
black
GND
10
GND
black
27
Chapter 2 Hardware Setup
USB Cable (Optional)
USB Port
Red wire
1
10
10
1
Use 4-pin connector
to support 1USB port
only.
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