PX845EV1/ PX845EV1 PRO
14
Back Panel Configuration
PS/2 Mouse & PS/2 Keyboard Connectors: KB/MS
This mainboard provides a standard PS/2 mouse connector and PS/2 Keyboard connector.
The pin assignments are described below:
USB & LAN (only for PX845EV1 PRO) Connectors:
USB/LAN
There are two USB connectors on the back panel. These OHCI (Open Host Controller
Interface) Universal Serial Bus connectors are used to attach to USB devices such as:
keyboards, mice and other USB devices. You can plug the USB devices directly into this
connector. The PX845EV1 series also provides two USB headers on the board allowing for
4 more USB ports. These attach to USB connectors embedded into the computer case or
connected to a USB connector bracket. The PX845EV1 PRO also provides a LAN port. You
can plug LAN devices directly into this connector.
Pin
Assignment
Pin
Assignment
1
Data
4
+5 V (fused)
2
No connect
5
Clock
3
Ground
6
No connect
Pin Assignment Pin Assignment
1
TDP
7
NC
2
TDN
8
NC
3
RDP
9
VCC3 SBY
4
NC
10
ACT LED
5
NC
11
VCC3 SBY
6
RDN
12
Speed LED
Pin Assignment Pin Assignment
1/5
+5 V (fused)
3/7
USBP0+/P1+
2/6
USBP0-/P1-
4/8
Ground
PS/2 Mouse
PS/2 Keyboard
LAN
(optional)
USB
Speaker
Out
Game Port
Printer Port
PS/2
Mouse
PS/2
Keyboard
COM1
COM1
USB
(optional)
LAN
COM2
Mic In
Line In
