•
System Board Components
I
J
K
L
M
N
O
Q P
R
S
T
U
V
W
X
Y
Z
AA
BB
DD
EE
FF
CC
Intel 82945G
GMCH
Intel
82801G I/O
Controller
Hub (ICH7)
E
F G
H
D
BC
A
Intel 82945P
MCH
Figure 1 Motherboard Layout & Components
Table 2.
A
Sigmatel 9220 audio codec
Q
Power connector (24 way ATX2.2)
B
PCI Express x1 bus add-in card connectors R
Diskette drive connector
C
Front panel audio connector
S
Parallel ATE IDE connector
D
PCI Conventional bus add-in card
connectors T
Battery
E
Ethernet PLC device
U
Front chassis fan connector
F
PCI Express x16 bus add-in card connector V
BIOS Setup configuration jumper block
G
Rear chassis fan connector
W
Serial ATA connectors
H
Back panel connectors
X
Auxiliary front panel power LED
connector
I
+12V power connector (ATX12V)
Y
Front panel connector
J
LGA775 processor socket
Z
Front panel USB connectors
K
Intel 82945P MCH
AA
Chassis intrusion connector
L
Processor fan connector
BB
Intel 82801G I/O Controller Hub (ICH7)
M
DIMM Channel A sockets
CC
SPI Flash device “Firmware Hub (FWH)”
N
DIMM Channel B sockets
DD
IEEE1394a controller not fitted optional
O
SCSI LED connector (optional)
EE
IEEE1394a connectors not fitted
optional
P
I/O controller
FF
Speaker
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