Справочник Пользователя для NEC 5800/180Ra-7

This appendix provides the specifications for the Basic System Unit (BSU) and
the Disk Expansion Unit (DEU).

Table A-1 lists the BSU technical specifications.

Dimensions

Width:

19.3 inches (483 mm)

Height: 12.2 inches (310 mm)
Depth: 29.4 inches (735 mm)

Weight

Approximately 110 lbs. (50 kg)

Enclosure

19-inch rack mountable

Environment

Temperature: 50° to 86°F (10° to 30°C)
Relative humidity: 20% to 80% (non-condensing)

Peripheral Interface (rear access)

PS/2 style (6-pin mini-DIN) keyboard connector
PS/2 style (6-pin mini-DIN) mouse connector
Two USB (4-pin) port connectors
Two serial (9-pin) port connectors
Parallel printer (25-pin) port connector
RJ-45 T/10Base-T/100Base Ethernet port connector
SVGA (15-pin) port connector
Ultra-SCSI device (68-pin) port connector

Option Hot-Plug PCI Slots

Eight 64-bit PCI bus (33 MHz) slots (two of the eight slots can operate at
33 MHz or 66 MHz)
Two 32-bit PCI bus (33 MHz) slots

Storage Device Capacity

One slim CD-ROM drive
One 3 1/2-inch floppy diskette drive
Up to two 5 1/4-inch removable devices
Up to two hot swap hard disk drives (BSU)
Up to eight hot swap hard disk drives (DEU)

Processor

Intel

® 

Pentium

® 

III

 

Xeon

™

 Processor

Clock rate: 550 MHz

Cache

Primary:

Integrated 16KB (L1) cache memory

Secondary:

1 MB or 2 MB (L2) cache memory

Tertiary :

128 MB (64X2) (L3) cache memory (with 8 CPU upgrade)