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T e c h n i c a l I n f o r m a t i o n
I/O Connectors and Headers
This section lists the pin numbers for the various connectors and headers
on the motherboard. The following illustration shows the locations of the
connectors and headers:
Z
Y
X
W
V
U
T
S
Figure 5-2 Motherboard Connectors and Headers*
A.
PS3, PS4; 6-pin Power
B.
PS5, +3.3V Power
C.
PS1, PS2, 12-pin Power
D.
UPS Enable Header
E.
Diskette Drive Header
F.
Front Panel Header
G.
IDE Header
H.
MEM1, MEM2; Memory Exp.
Slots
I.
CPU1 Primary, CPU1 Module
Power, (+3.3V, +12V) Auxiliary
J.
CPU2 Secondary, CPU2 Module
Power, (+3.3V, +12V) Auxiliary
K.
P2-3, PCI expansion connector
L.
Fan 1 Header
M.
HD-LED 1, SCSI HD Drive
Activity Header
* In headings on the following pages, letters in brackets, e.g. (C), refer to this illustration.
5-20 OWNER'S HANDBOOK
A
B
C
D
E
R
N.
Server Management Header
O.
HD-LED 2, SCSI HD Drive Activity
Header
P.
Fan 2 Header
2
Q.
I
C Headers
R.
SCSI Channels A (right), B (left) Headers
S.
M6, EISA Master Exp. Slot 6
T.
P2-1, P2-2, PCI Expansion Slots
U.
PS6, +3.3V Power Connector
V.
M1-M5, EISA Master Exp. Slots 1-5
W.
P1-1, P1-2, P1-3, PCI Expansion Slots
X.
Parallel Port, VGA Port Connectors
Y.
Serial Ports COM1, COM2 Connectors
Z.
Keyboard, Mouse (PS/2) Connectors
F
G
H
I
J
K
L
M
N
O
P
Q
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