Acer PREDATOR G5900 Service Manual page 79

F_USB1~4: Front Panel USB headers
The motherboard has four USB ports installed on the rear edge I/O port array.Additionally, some computer
cases have USB ports at the front of the case. If youhave this kind of case, use auxiliary USB connector to
connect the front-mountedports to the motherboard.
1
2
3
4
5
6
7
8
9
10
SPDIF_OUT1: SPDIF out header
This is an optional header that provides an SPDIF_OUT (Sony/Philips Digital Inter-face) output to digital
multimedia device through optical fiber or coaxial connector.
1
3
SPI_DEBUG: SPI_DEBUG header
1
3
5
7
GPIO0~1: Button recovery jumper
71
Pin Signal Name
USBPWR
USBPWR
USB_FP_P0-
USB_FP_P1-
USB_FP_P0+
USB_FP_P1+
GND
GND
Key
USB_FP_OC0
Pin Signal Name
+5V
SPDIF
Pin Signal Name
CS
DI
VCC
GND
Pin
1 GP36(GP16)
2 GND
Function
Front Panel USB Power
Front Panel USB Power
USB Port 0 Negative Signal
USB Port 1 Negative Signal
USB Port 0 Positive Signal
USB Port 1 Positive Signal
Ground
Ground
No pin
NC
Pin Signal Name
2 KEY
4 GND
Pin Signal Name
2 WP
4 HOLD
6 CLK
8 DO
Signal Name
Chapter 5