System Board Features - NEC LS2400 Service & Reference Manual

System Board Features

The system board offers a "flat" design with the processor and memory
subsystems residing on the board. This figure shows the major
components on the system board. The following subsections describe
the system board major components.
AA
Z
Y
X
W
V
U
T
A. Secondary processor connector
B. Primary processor connector
C. Heatsink fan connectors
D. Main power connector
E. Diskette drive connector
F. Front panel power LED connector
G. Speaker connector
H. Front panel hard disk drive LED
connector
I. Front panel power switch connector
J. Lithium backup battery
K. System fan connector
L. IDE connectors, primary and
secondary
M. Configuration jumper blocks
N. Server management connector
1-6 System Overview
A B
R Q
S
System Board
O.
P.
Q.
R.
S.
T.
U.
V.
W.
X.
Y.
Z.
AA.
C D E
Pri.
Sec.
N
O
P
Narrow SCSI connector
Wide SCSI connector
Memory DIMM sockets
PCI slots for add-in boards
ISA slots for add-in boards
Intrusion alarm connector
USB connector
RJ-45 network controller connector
Serial port B (COM 2) connector
VGA monitor port connector
Parallel port connector
Serial A (COM 1) connector
Keyboard and Mouse PS/2 compatible connectors
F
G
H
J
I
K
L
M