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SL-K890-754G
2-9.2 USB Ports and USB Pin-headers
This Mainboard 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 main-
board dealer or vender.
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
PS/2 Mouse
JKB1
1
PS/2 KB
COM1
SPDIF
PW2
In
+12V Power
SPDIF
Out
USB Port
USB Port
RJ45
USB Port
USB Port
LJP1
VIA
K8T890
JAUD1
PCIE1
1
PCIE2
PCIE3
USB3
USB2
1
1
PCIE4
PCI1
ALC850
ALC
850
1
PCI2
CD-IN1
1
JBAT1
Header USB3
for 2 USB ports
Use a 4-pin connector to connect USB pin-header to 1 USB port
First USB Port Wiring for 1 Front USB port
USB Header
Pin Assignment
1
Second USB Port Wiring for another Front USB port
PW1
Main Power
LED2
IDE1
IDE2
VIA
ATA2
VT8237R
ATA1
Li
ITE
Battery
BIOS
RT3
IT8705
NJ1
FDD1
1
Header USB2
for 2 USB ports
Red White
Green
black
D1-
GND
D1+
+5V
D2-
+5V
GND
D2+
White
Red
Green
black
USB Cable (Optional)
Red wire
1
1
10
Use 4-pin connector
to support 1USB port
only.
28
USB Port
10
10
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