Compaq V300 User Manual

Page 141

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Specifications

6-9

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 6-12

Continued

1.68 MB
DMF

1.44 MB

1.2 MB

1.2 MB

720 KB

Magnetic tracks
surface

80

80

77

80

80

Optical servo
tracks/surface

N/A

N/A

N/A

N/A

N/A

Sectors/track

21

18

8

15

9

Sector interleave

2:1

1:1

1:1

1:1

1:1

Spare sectors

0

0

0

0

0

Zones (each side)

1

1

1

1

1

Average
random seek

70 ms

70 ms

70 ms

70 ms

70 ms

Track-to-track
seek

25 ms

25 ms

25 ms

25 ms

25 ms

Max single seek

170 ms

170 ms

170 ms

170 ms

170 ms

Average latency

41.67 ms

41.67 ms

41.67 ms

41.67 ms

41.67 ms

Motor RPM

720±
0.5%

720±
0.5%

720±
0.5%

720±
0.5%

720±
0.5%

Motor start time

800 ms

800 ms

800 ms

800 ms

800 ms

Track density

135 TPI

135 TPI

135 TPI

135 TPI

135 TPI

Track width

125 µm

125 µm

125 µm

125 µm

125 µm

Encoding method

MFM

MFM

MFM

MFM

MFM

Max flux density

17,334
FCI

17,334
FCI

17,334
FCI

17,334
FCI

17,334
FCI

Recording density

17,334
BPI

17,334
BPI

17,334
BPI

17,334
BPI

17,334
BPI

Nominal transfer

rate

150
KB/sec

150
KB/sec

125
KB/sec

125
KB/sec

75
KB/sec

Nominal sustained

transfer rate
across interface

65
KB/sec
read
32
KB/sec
write

55
KB/sec
read
28
KB/sec
write

49
KB/sec
read
25
KB/sec
write

46
KB/sec
read
23
KB/sec
write

28
KB/sec
read
14
KB/sec
write

Buffer transfer rate

4.0
MB/sec

4.0
MB/sec

4.0
MB/sec

4.0
MB/sec

4.0
MB/sec

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