NEC HX4500 manual Features of the Board Set, Bios

Figures 1-6, 1-7, and 1-8 show the major components on the system I/O board, CPU base board, and Memory board. Table 1-5 summarizes the features of the board set.

Table 1-5. Features of the Board Set

Feature	Description
Multiple processor	Four processor sockets on the CPU base board, for a total of four
slots	processors.
Upgradable	Sixteen DIMM sockets on the memory board, supporting up to 4 GB
memory	memory using 256 MB DIMMs.
Add-in board	Two dedicated ISA bus slots and nine dedicated 32-bit PCI slots on the
support	system I/O board.
SCSI controller	Dual onboard SCSI-2 controller (PCI-based).
BIOS	Flash memory-based BIOS (Basic Input/Output System ) and Setup
	utilities.
Video	Integrated super VGA controller ships with either 1 MB or 2 MB of video
	memory. Upgrade socket (1 MB) is available for 1 MB system to
	increase total video memory size to 2 MB.
External device	Onboard connectors for two serial ports, parallel port, narrow SCSI port,
connectors	PS/2-compatible keyboard and mouse, and VGA monitor.
Clock	Real-time clock/calendar (RTC).
System hardware	Detects chassis intrusion and contains sensors for temperature,
monitoring	voltage, and fan failure.
Configuration	Resource Configuration Utility (RCU) and SCSISelect Utility.
utilities

System Overview 1-13