Secondary
Master (3rd)
Secondary
Slave (4th)
Pin 1
Primary
Slave (2nd)
Primary
Master (1st)
S/PDIF Module
(User Upgrade Optional)
S/PDIF OUT
S/PDIF IN
(RCA)
S/PDIF IN
(Optical)
S/PDIF OUT
6. Support Six USB2.0 Connectors
This motherboard provides six USB2.0 connectors. Compared to traditional USB 1.0/1.1
with the speed of 12Mbps, USB 2.0 has a fancy speed up to 480Mbps, which is 40 times
faster than the traditional one.
USB2 Connector
8. Connecting IDE and Floppy Cables
Connect 34-pin floppy cable and 40-pin, 80-wire IDE cable to floppy connector FDC and
IDE connector. Be careful of the pin1 orientation. Wrong orientation may cause system
damage.
Pin 1
ATA 33/66/100
IDE Connector
FDD Connector
IDE 1 (Primary)
IDE 2 (Secondary)
Pin 1
7. AGP Slot
The AX4R Plus provides an AGP 8x slot. The AGP 8x is a bus interface targeted for
high-performance 3D graphic.
AGP supports only memory read/write operation and
single-master single-slave one-to-one only. AGP uses both rising and falling edge of the
66MHz clock, for 4X AGP, the data transfer rate is 66MHz x 4bytes x 4 = 1056MB/s. AGP is
now moving to AGP 8x mode, which is 66MHz x 4bytes x 8 =2.1GB/s, This AGP expansion
slot is for 1.5V AGP card only.
9. S/PDIF (Sony/Philips Digital Interface) Connector
S/PDIF (Sony/Philips Digital Interface) is a newest audio transfer file format, which provides
impressive audio quality through optical fiber and allows you to enjoy digital audio instead of
analog audio. Normally there are two S/PDIF outputs as shown, one for RCA connector, the
most common one used for consumer audio products, and the other for optical connector
with better audio quality. Through a specific audio cable, you can connect the S/PDIF
connector to other end of the S/PDIF audio module, which bears S/PDIF digital output.
However, you must have a S/PDIF supported speaker/amplifier/decoder with S/PDIF digital
input to connect to the S/PDIF digital output to make the most out of this function.
Audio
cable
Pin 1
+5V
NC
S/PDIFOUT
GND
S/PDIFIN
1
+5V
SBD3-
SBD3+
GND
NC
+5V
SBD2-
SBD2+
GND
KEY
1
