16
AMD 740G/760G/780G motherboard
SPDIF-Out Connector
This connector provides a SPDIF (Sony/
Philips Digital Interface) output to digital
multimedia device through coaxial connector.
CN4 - Pin Definition
Pin
Signal
1
GND
2
SPDIF-out
3
VCC
Hard Disk Connector
The motherboard has a 32-bit Enhanced PCI IDE and Ultra DMA 66/100/133 control-
ler that provides PIO mode 0~4, Bus Master, and Ultra DMA 66/100/133 function. You
can connect up to two hard disk drives, CD-ROM, 120MB Floppy (reserved for future
BIOS) and other devices.
COM1 - Pin Definition
Pin
Signal
Pin
Signal
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
10
NC
COM Header-COM1
120
240
121
120
240
121
1
.5
V
1
.5
V
.
.
.
CN4
1
IDE
COM1
1