Basic Mother Board Labels
Label
|
Description
|
A
|
CD-ROM
connector (ATAPI-style)
|
B
|
Front panel
audio header
|
C
|
Auxiliary
line-in connector (ATAPI-style)
|
D
|
AGP
connector
|
E
|
Rear chassis
fan header (fan speed control)
|
F
|
12 V
processor core voltage connector
|
G
|
Processor
socket
|
H
|
Intel 82865G
(GMCH)
|
I
|
Processor
fan header
|
J
|
Channel A
DIMM socket
|
K
|
Channel B
DIMM socket
|
L
|
Main power
connector
|
M
|
Diskette
drive connector
|
N
|
Primary IDE
connector
|
O
|
Secondary
IDE connector
|
P
|
Front
chassis fan connector (fan speed control)
|
Q
|
Chassis
intrusion header
|
R
|
Serial ATA
connectors
|
S
|
Speaker
|
T
|
BIOS
configuration jumper
|
U
|
Alternate
power/sleep LED header
|
V
|
Front panel
header
|
W
|
USB 2.0
header
|
X
|
Intel
82801EB (ICH5)
|
Y
|
USB 2.0
header
|
Z
|
Battery
|
AA
|
PCI bus
add-in card connectors
|
Abhishek Rana (Developer)