System Board Set - NEC EXPRESS5800/140Hb Service Manual

System Board Set

The system board set inside the server includes the system board, memory board, and
power backpanel board.
Figure 1-6, Figure 1-7, and Figure 1-8 show the major components on the system board,
memory board, and power backpanel board. Table 1-5 summarizes the features of the
board set.
Feature
Multiple processor
slots
Upgradable
memory
Hot Plug PCI slots
SCSI controller
BIOS
Video
External device
connectors
Clock
System hardware
monitoring
Configuration
utilities
1-12 System Overview
Table 1-5. Features of the Board Set
Description
Four processor sockets on the system board.
Sixteen DIMM sockets on a single memory board, supporting up to 16 GB
memory using 1 GB DIMMs. Must use four sticks (4-way interleaving)
double sided buffered type only.
Six Hot Plug PCI add-in board slot locations (PCI #3, PCI #4, PCI #5, PCI
#6, PCI #7, and PCI #8) and two non-Hot-Plug PCI add-in board slot
locations (PCI #1 and PCI #2). The six Hot Plug PCI board slot locations are
comprised of two dedicated 64-bit, 66 MHz PCI bus slots (PCI #3 and PCI
#4) and four dedicated 64-bit, 33 MHz PCI bus slots (PCI #5, PCI #6, PCI
#7, and PCI #8 on the system board. The two non-Hot-Plug PCI board slot
locations PCI #1 and PCI #2) are comprised of two dedicated 32-bit, 33 MHz
PCI bus slots on the system board.
Single channel onboard Ultra/Wide SCSI controller (PCI-based).
Dual channel onboard Ultra160/m SCSI controller (PCI-based).
Flash memory-based BIOS (Basic Input/Output System) and Setup utilities.
Integrated super SVGA controller ships with 4 MB of video memory.
Connectors for two serial ports, parallel printer port, wide SCSI port, two
USB connectors, 10/100Base-TX connector, PS/2-compatible keyboard and
mouse, and SVGA monitor.
Real-time clock/calendar (RTC).
Contains power interlock switch and sensors for temperature, voltage, and
fan failure.
BIOS Setup and SCSISelect Configuration Utility.