NEC Express5800 User Manual page 20

System Board Features
The system board (Figure 1-3) 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.
P
O
N
M
A. Power supply connector
B. DIMM sockets (Slot #1, Slot #2, Slot #3,
and Slot #4 from left)
C. CPU #2 cooling fan connector
D. Floppy disk drive connector
E. IDE connector (for the CD-ROM drive)
F. IDE connector (for the internal hard disk)
G. Cooling fan connector (internal hard disk)
H. Cooling fan connector (PCI device)
1-6 System Overview
A B
L K J
I. Front panel connector
J. CMOS/password clear jumper switch
K. CPU connectors (left: CPU1 (standard), right:
CPU2 (optional))
L. Lithium battery
M. PCI board slots (6 slots: PCI#1, PCI#2, PCI#3,
PCI#4, PCI#5, and PCI#6 from top)
N. Rear cooling fan connector
O. CPU #1 cooling fan connector
P. Connector for external connections (See the
previous page.)
Figure 1-3. System Board
C D
E
F
G
H
I