Compaq Armada 1700 User Manual

6-6 Specifications
6.5 LS-120 Drive
Table 6-6
LS-120 Drive Specifications
120 MB 1.7 MB DMF 1.44 MB 1.2 MB 1.2 MB 720 KB 640 KB
Formatted
Capacity (Bytes)
125,958,144 1,720,320 1,474,560 1,261,568 1,228,800 737,280 655,360
Sector Size
(bytes)
512 512 512 1024 512 512 512
Sectors 246,527 3360 2880 1,232 2400 1,440 1,280
Magnetic Tracks/
Surface
1736 80 80 77 80 80 80
Optical Servo
Tracks/Surface
900 N/A N/A N/A N/A N/A N/A
Sectors/track 51-92 21 18 8 15 9 8
Sector Interleave 1:1 2:1 1:1 1:1 1:1 1:1 1:1
Spare sectors 170 0 0 0 0 0 0
Zones (each side) 55 1 1 1 1 1 1
Average
random seek
70 ms 70 ms 70 ms 70 ms 70 ms 70 ms 70 ms
Track-to-Track
seek
20 ms 25 ms 25 ms 25 ms 25 ms 25 ms 25 ms
Max single seek 120 ms 170 ms 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 41.67 ms 41.67 ms
Motor rpm 720
±
0.5%
720
±
0.5%
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 800 ms 800 ms
Track Density 2,490 TPI 135 TPI 135 TPI 135 TPI 135 TPI 135 TPI 135 TPI
Track Width 8
µ
m 125
µ
m 125
µ
m 125
µ
m 125
µ
m 125
µ
m 125
µ
m
Encoding Method (1,7)RLL MFM MFM MFM MFM MFM MFM
Max Flux Density 33,660 FCI 17,334 FCI 17,334 FCI 17,334
FCI
17,334
FCI
8,717 FCI 8,717 FCI
Recording
Density
44,880 BPI 17,334 BPI 17,334 BPI 17,334
BPI
17,334
BPI
8,717 BPI 8,717 BPI
Nominal Transfer
Rate
375-680
KB/sec
150
KB/sec
150
KB/sec
125
KB/sec
125
KB/sec
75
KB/sec
75
KB/sec
Nominal
Sustained
Transfer Rate
across interface
313-565
KB/sec
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
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
4.0
MB/sec
4.0
MB/sec

Compaq Armada 1700 Specifications

General

Brand	Compaq
Model	Armada 1700
Category	Laptop
Language	English