HP EN Series

1.44-MB Diskette Drive
Diskette Size 3.5 in
LED Indicators Green
Read/Write Capacity per Diskette
(high/low density)
1.44 MB/720 KB
Drive Height 1 in
Drive Rotation 300 rpm
Transfer Rate (high/low density) 500/250 Kb/s
Bytes/Sector 512
Sectors/Track (high/low density) 18/9
Tracks/Side (high/low density) 80/80
Seek Time
Track-to-Track (high/low density) 3/6 ms
Average (high/low density) 94/173 ms
Settling Time 15 ms
Latency Average 100 ms
Cylinders (high/low) 80/80
Read/Write Heads 2
SMART III Ultra ATA 66 Hard Drives
13.5 GB
Capacity 13,500 MB Seek Time (typical reads, including
settling)
Height 1 in/25.4 mm Single Track 1.7 ms
Width 3.5 in/88.9 mm Average 8.5 ms
Interface Ultra ATA 66 Full-Stroke 15 ms
Transfer Rate Rotational Speed 7200 rpm
Synchronous
(Maximum)
66.6 MB/s Physical
Configuration
Bytes/Sector 512
Logical Blocks 19,541,088
Operating
Temperature
41
°
to 131
°
F/5
°
to
55
°
C
10.0 GB
Capacity 10,000 MB Seek Time (typical reads, including
settling)
Height 1 in/25.4 mm Single Track 1.7 ms
Width 3.5 in/88.9 mm Average 8.5 ms
Interface Ultra ATA 66 Full-Stroke 15.0 ms
Transfer Rate Rotational Speed 7200 rpm
Synchronous
(Maximum)
66.6 MB/s Physical
Configuration
Bytes/Sector 512
Logical Blocks 19,541,088
Operating
Temperature
41
°
to 131
°
F/5
°
to
55
°
C
6.4 GB
Capacity 6400 MB Seek Time (typical reads, including
settling)
Height 1 in/25.4 mm Single Track < 1.3 ms
Width 3.5 in/88.9 mm Average 9 ms
Interface Ultra ATA 66 Full-Stroke 20 ms
Transfer Rate Rotational Speed 5400 rpm
Synchronous
(Maximum)
66.6 MB/s Physical
Configuration
Bytes/Sector 512
Logical Blocks 12,594,960
Operating
Temperature
41
°
to 131
°
F/5
°
to
55
°
C
4.3 GB
Capacity 4300 MB Seek Time (typical reads, including
settling)
Height 1 in/25.4 mm Single Track < 1.3 ms
QuickSpecs
Compaq Deskpro EN Series Small Form Factor
DA - 10023 Worldwide QuickSpecs — Version 17 — 5-18-2000 Page 21