NEC PowerMate 2000 Series, Service And Reference Manual, Page: 135 / 175

9-8 Specifications
6.4-GB IBM Mobile Hard Drive
The specifications for the 6.4-GB IBM mobile hard drive are included in the
following table.
6.4-GB IBM Mobile Hard Drive Specifications
Feature Specification
Hard Drive IBM 6.4-GB, EIDE UDMA/33/66
Formatted Capacity
Nominal Rotational Speed
Number of Disks
Number of R/W Heads 6400 MB
4200 rpm
2
4
Sector Size 512 bytes
Recording Zones 12
User Cylinders 11,648
Media Transfer Rate 69.0 to 118.0
Interface Transfer Rate 33.3 MB/sec Ultra DMA Mode 2
16.6 MB/sec PIO Mode 4
Buffer Size 512 KB EDO DRAM
Power +5V +/-5%
Temperature (non-condensing)
Operating: 5
°
to 55
°
C (41
°
to 131
°
F)
Non-operating: -40
°
to 60
°
C (-40
°
to 140
°
F)
Humidity (non-condensing) Operating: 8% to 80% rh
Non-operating: 5% to 85% rh
Dimensions Height: 0.37 inches (9.5 mm)
Width: 2.76 inches (70 mm)
Depth: 3.94 inches (100 mm)
Weight 3.18 ounces (99 g)