Asus P3-PE5 - Manual (Page 56)

4-8 Chapter 4: Motherboard info
Never connect a 1394 cable to the USB connectors. Doing so will
damage the motherboard!
5. USB connectors (10-1 pin USB56, USB78)
These connectors are for USB 2.0 ports. Connect the USB/GAME
module cable to any of these connectors, then install the module to a
slot opening at the back of the system chassis. These USB connectors
comply with USB 2.0 specification that supports up to 480 Mbps
connection speed.
The USB module is purchased separately.
4. CPU Fan connector (4-pin CPU_FAN)
The fan connector support cooling fans of 350 mA~740 mA (8.88 W
max.) or a total of 1 A~2.22 A (26.64 W max.) at +12V. Connect the
fan cable to the fan connector on the motherboard, making sure that
the black wire of each cable matches the ground pin of the connector.
Do not forget to connect the fan cables to the fan connectors.
Insufficient air flow inside the system may damage the motherboard
components. These are not jumpers! Do not place jumper caps on the
fan connectors!
R
Fan Connectors
CPU_FAN
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
R
USB2.0 Connectors
USB78
USB+5V USB_P8
-
USB_P8
+
GND NC
USB+5V USB_P7
-
USB_P7
+
GND
1
USB56
USB+5V USB_P6- USB_P6+ GND NC
USB+5V USB_P5
-
USB_P5
+
GND
1