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Table 6-9 diskette drive, Table 6-10 cd-rom drive – Compaq V300 User Manual

Page 139

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Specifications

6-7

COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED

Writer: The Integrity Group Saved by: The Integrity Group Saved date: 10/26/00 11:53 AM

Part Number: 128679-006 File name: Ch06

Table 6-9

Diskette Drive

Diskette Size

3.5 inch

Light

On system

Height

0.5 in. / 12.7 mm

Bytes per sector

512

Sectors per track

High Density
Low Density

18 (1.44 MB) / 15 (1.2 MB)
9

Tracks per side

High Density
Low Density

80 (1.44 MB) / 80 (1.2 MB)
80

Read/write heads

2

Average seek times

Track-to-track (high/low)
Average (high/low)
Settling time
Latency average

3 ms / 6 ms
95 ms / 174 ms
15 ms
100 ms

Table 6-10

CD-ROM Drive

Applicable disc

CD-ROM (Mode 1, 2, and 3)
CD-XA ready (Mode 2, Form 1 and 2)
CD-I ready (Mode 2, Form 1 and 2)
CD-R (read only)
CD Plus
Photo CD (Single/Multi-session)
CD-Extra
Video CD
CD-WO (fixed packets only)
CD-Bridge

Center hole diameter

.59 in. / 15 mm

Disc diameter

12 cm, 8 cm

Disc thickness

1.2 mm

Track pitch

1.6 µm

Access time

Random
Full stroke

< 150 ms
< 300 ms

Cache buffer

128 KB

Data transfer rate

Sustained, 16X
Variable
Normal PIO mode 4 (single burst)

2400 KB/sec (150 KB/sec at 1X)
1500 to 3600 KB/sec (10X to 24X)
16.66 MB/sec

Start-up time

< 8 seconds

Stop time

< 4 seconds