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MS-7053 ATX Mainboard
The back panel provides the following connectors:
Mouse
COM A
Keyboard
Mouse/Keyboard Connector
The mainboard provides a standard PS/2
®
for attaching a PS/2
mouse/keyboard. You can plug a PS/2
into this connector. The connector location and pin assignments are as follows:
6
5
4
1
2
PS/2 Mouse / Keyboard
(6-pin Female)
USB Connectors
The mainboard provides an OHCI (Open Host Controller Interface) Universal
Serial Bus root for attaching USB devices such as keyboard, mouse or other USB-
compatible devices. You can plug the USB device directly into the connector.
1
2
3
4
5
6
7
8
USB Ports
E-2-10
Back Panel
10/100 LAN
Parallel
(Optional)
1394 port
SPDIF
(Optional)
Out
PIN
SIGNAL
3
1
Mouse/Keyboard Data
2
NC
3
GND
4
VCC
5
Mouse/Keyboard Clock
6
NC
USB Port Description
PIN
SIGNAL
1
VCC
2
-Data 0
3
+Data0
4
GND
5
VCC
6
-Data 1
7
+Data 1
8
GND
L-In
Giga LAN
(Optional)
USB Ports
L-Out
Mic
®
mouse/keyboard mini DIN connector
®
mouse/keyboard directly
Pin Definition
DESCRIPTION
Mouse/Keyboard data
No connection
Ground
+5V
Mouse/Keyboard clock
No connection
DESCRIPTION
+5V
Negative Data Channel 0
Positive Data Channel 0
Ground
+5V
Negative Data Channel 1
Positive Data Channel 1
Ground
RS-Out
CS-Out
SPDIF Out
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