Table 18 - Floppy Disk Drive Specifications

 

3.5-inch Floppy Drive

 

 

Manufacturer

TEAC

 

 

Size

10.67 cm (W) x 14.48 cm (D) x 1.40 cm (H)

 

 

(4.2 in (W) x 5.7 in (D) x 0.55 in (H))

 

Weight

250g (0.55 lbs)

 

 

Data Capacity

1.44MB (formatted)

 

1.2MB (formatted)

724KB (formatted)

 

2M (unformatted)

 

1.6M (unformatted)

1M (unformatted)

Data Transfer Rate

500k bits/sec

 

250k bits/sec

Disk Rotational Speed

300rpm

 

360 rpm

300rpm

Track Density

135tpi

 

 

Cylinders

80

 

 

 

Track-to-track Time

3ms

 

 

Average Seek Time

94ms

 

 

Start Time

480ms

 

 

Average latency

100ms

 

83.3ms

100ms

Mean Time Between

30,000 hours

 

 

Failures

 

 

 

 

Error Rate

 

 

 

 

Soft (recoverable)

1 or less per 109 bits read

 

Hard

1 or less per 1012 bits read

 

(unrecoverable)

 

 

 

 

Seek

1 or less per 106 bits read

 

CD-ROM Drive

The CD-ROM Drive is an accessory to the HP OmniBook 800 and can be purchased separately. It is a SCSI device that connects to the OmniBook’s docking port via a proprietary docking- connector-to-SCSI cable. The CD-ROM is can be powered with six AA batteries or by daisy- chaining to the OmniBook’s ac adapter.

CD-ROM drive manufacturers are subject to change without notice.

Table 19 - CD-ROM Drive Specifications

 

4x CD-ROM Drive

8x CD-ROM Drive

Manufacturer

Panasonic

Panasonic

Size

138mm x 196mm x 37mm

138mm x 196mm x 37mm

 

(WxDxH)

(WxDxH)

Weight

450g (without battery)

430g (without battery)

Interface

SCSI-2

SCSI-2

Transfer Rate

150 KB/s Normal Speed

150 KB/s Normal Speed

 

300 KB/s Double Speed

1200KB/s Octo Speed

 

600 KB/s Quad Speed

 

Buffer

128 KB

128 KB

Access Speed

350 ms (1/3 stroke; ac adapter)

180 ms (1/3 stroke: ac adapter)

 

600 ms (full stroke; ac adapter)

300 ms (full stroke: ac adapter)

 

990 ms (1/3 stroke; alkaline

 

 

battery)

 

 

1500 ms (full stroke; alkaline

 

 

battery)

 

Start up Time

< 30 secs

< 10 secs

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