NEC POWERMATE 5100 - SERVICE, Service Manual

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Specifications 10-9
2.1-GB Seagate Hard Drive Specifications
Feature Specification
Operating Shock @ 11 msec (Gs)
Nonoperating Shock @ 2 msec (Gs)
Operating Temperature (°C)
Nonoperating Temperature (°C)
Average Acoustics, Idle(bels-sound
power)
Average Acoustics, Idle(dBA-sound
pressure) 10
150
5 to 55
-40 to 60
3.7
34
Physical Dimensions
Height (in/mm)
Width (in/mm)
Depth (in/mm)
Weight (lb/kg) 1/25.4
4/101.6
5.75/146.1
1.4/.62
4.3-GB Fujitsu Hard Drive Specifications
The specifications for the 4.3-GB Fujitsu hard drive are included in the
following table.
4.3-GB Fujitsu Hard Drive Specifications
Feature Specification
Formatted Capacity
Number of R/W Heads
Number of Cylinders (User +
Alt SA
Bytes per Sector
Recording method
Track Density
Bit Density
Rotational Speed 4325
4
8,983 + 123
512
8/9 PRML
9531 TPI
161, 815 BPI
5,400 rpm + 0.5%
Average Latency 5.56 ms
Positioning Time
Minimum
Average
Maximum 2.5 ms typical
(Read) 10 ms typical, (Write) 11 ms typical
(Read) 19 ms typical, (Write) 20 ms typical
Start/Stop Time
Start (0 rpm to Drive Read)
Stop (at Power Down) Typical: 8 sec. Maximum: 16 sec.
Typical: 20 sec. Maximum: 26 sec.
Interface ATA-3 (Maximum Cable Length: ) 0.46 m
Data Transfer Rate
To/From Media
To/From Host
9.58 to 16.71 MB/sec.
16.7 MB/sec. max. (Burst PIO Mode 4, Burst DMA Mode 2)
33.3 MB/sec. max. (Burst Ultra DMA Mode 2)
Data Buffer 256 KB