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ATX PS/2 Keyboard and
PS/2 Mouse Ports
The ATX PS/2 keyboard and the
PS/2 mouse are located on J11.
See the table on the right for pin
definitions.
(The mouse port is
above the keyboard port. See the
table on the right for pin defini-
tions.
Universal Serial Bus (USB)
There are two
Bus Connectors (USB 1/2: J12/
J13) located on the I/O panel and
additional
two USB headers are
located
on
These ports, labeled USB3/4, can
be used to provide front side
chassis access (cables not in-
cluded). See the tables on the
right (below) for pin definitions.
A
JPWAKE
24-pin ATX PWR Conn
COM2
PWR Force On
JPUSB
B
USB 1/2
WOR
PWR Froce On
82547
LAN CTLR
COM 1
M C H
(North Bridge)
VGA
GLAN 1
BANK0
GLAN 2
BANK1
AGP Pro
GLAN CTLR
PCI 1-X
82541
Standby LED
PCI-X 2
WOL
PCI -X 3
SMBus
C
PCI 1
RAGE-XL
BATTERY
Speaker
USB 3/4
PCI 2
VGA Enable
Keylock
Universal Serial
the
motherboard.
PWR LED
+12V 4-pin PWR Conn.
Watch Dog
CPU
478 PGA
DIMM 0A (Blue)
DIMM 0B (Black)
DIMM 1A (Blue)
DIMM 1B (Black)
Intel's SATA1
Intel's SATA2
Hance
Rapids
CLR CMOS
M-SATA1-2 Enable
BIOS
M a r v e l l
SATA CTLR
I-SATA LED
Ch. Intru.
Speaker
M- SATA LED
USB Pin Definition
USB 1/2 (J12/J13)
Pin# Definition
Pin
Number
Definition
1
+5V
3
PO-
5
PO+
7
Ground
A. Keyboard/Mouse
B. USB 1/2
C. USB 3/4
CHS FAN4
2-15
Chapter 2: Installation
PS/2 Keyboard
and Mouse Port
Pin Definitions
(J11)
Pin
Number
Definition
1
Data
2
NC
3
Ground
4
VCC
5
Clock
6
NC
1
+5V
2
P0-
3
P0+
4 Ground
USB 3/4
Pin
Number
Definition
2
+5V
4
PO-
6
PO+
8
Ground
Ground
10
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