
System Board Sets
DIGITAL Server 9100 Series User's Guide
1-13
Primary System Board Connector and Component Locations
The following figure shows the connector and component locations on the primary system board.
Connector and Component Locations on the Primary System Board
A
AA
Z
Y
X
W
V
U
T
S
Q
R
E
G
F
I
K
H
J
L
M
N
O
B
C
D
P
Label
Connector/component
Label
Connector/Component
A
Power control and status (PS3)
O
I
2
C connector (not used)
B
+5 V, +12 V, and 3.3 V power connectors
(PS1 and PS2) (identical)
P
SCSI bus connectors: Channel A to the right,
Channel B to the left
C
Diskette drive connector
Q
EISA slots 2, 3, and 4 for add-in boards (slot 2
toward top, 4 at bottom)
D
Front panel connector
R
Shared slot for PCI (slot 7) and EISA (slot 1)
add-in board
E
Connector
−
Not Used
S
PCI slots 1-6 for add-in boards (slot 1 at top;
Bus 0=slots 1-3, 7; Bus 1=slots 4-6)
F
12 V power plane connector
T
3.3 V PCI power connector
G
Memory board connector
U
Processor LEDs (DS1, DS2, DS3, DS4)
H
Real-time clock battery
V
Configuration switches and jumpers
I
5.1 V power plane connector
W
LST SIMM connector
J
CPU 2 processor board or termination board
connector
X
Parallel port connector
K
3.3 V power plane connector
Y
VGA monitor connector
L
CPU1 processor board connector
Z
Serial port connectors A (COM1) and B (COM2)
M
Intermodule connector (on back side of board)
AA
PS/2-compatible keyboard & mouse connectors
N
Fan fail connector (inner chassis fans)