Instruction Manual

6
1-4 Layout Diagram
Rear I / O for AMD790GX based Motherboard
8MBit SPI Flash
ROM BIOS
Floppy Connector
Front Panel Header
ATA 133 IDE
Conn.
(IDE1)
CPU Socket AM2
ATX Power Conn.
PCI Slot
PS2 KB/Mouse Port
Audio Connector
(
J1
)
RJ45 Ove
r
USB Connector
(UL1)
DDRIII Socket x 2
ATX 12V Power Connecto
r
Realtek ALC883
Audio Decode
CDIN Header
RTL8111C
Gi
g
abit LAN
Speaker
USB Headers
(USB1, 2,3 )
Power
Led
AMD 790GX Chipset
AMD SB750 Chipset
Audio Header
KBMB/USB Power On(JP1)
IR Heade
r
Reset
Power Button
SYSFAN1
Clear CMOS Button
E-SATA Ove
r
USB Connector
(CN5)
HDMI-SPDIF Header
Serial-ATAII Connecto
r
s
SATA1, 2,3,4,5,6
PCI Express 2.0 x16
by 8-lane
HDMI Connector
VGA Connector over
DVI Connector
PCI Express x1
SYSFAN2
ESATA
Clear CMOS
（JBAT）
COM Header
USB
USB
PS/2 Mouse
PS/2 Keyboard
RS-OUT
Line-OUT
CS-OUT
SS-OUT
MIC-IN
VGA Connector
DVI Connector
Line-IN
HDMI
DDRIII 128Mb Sideport Memory
RJ-45 Connector
E-SATA1
Coaxial SPDIF_OUT
Optical SPDIF_OUT
SPDIF_Out Connectors
CPUFAN
DDRII Socket x 2
G.P.I. LED