Reliability Specifications; Performance Specifications; Functional Specifications - Quantum Q2000 User Manual

1.2.2 Reliability Specification
MTBF: 8,000 POH typical usage
PM: not required
MTTR: 30 minutes
Component life: 5 years
Error Rates
Soft read errors: 1 per 10
10
bits read
Hard read errors: 1 pet 10
12
bits read
Seek errors: 1 per 10
6
seeks
1.2.3 Performance specifications
Q2010
Capacity
Unformated
Per drive
Per surface
Per track
Formatted (MFM)
Per drive
Per surface
Per track
Per sector
Sectors/TK
Transfer Rate
Access Time
TK to TK
Average
Maximum
Avg. Latency
10.66Mb
5.33Mb
10.40Kb
8.4OMb
4.20Mb
8.20Kb
256 Bytes
32
4.34Mbits/sec
15 ms
50 ms
100 ms
10 ms
1.2.3 Functional Specifications
Rotational speed 3000 RPM
Recording Density
6600 bpi
Flux Density 6600 fci
Track Density 345 tpi
Cylinders 512
Tracks 1024
R/W Heads
2
Disks 1
Index
1
Q2020
21.33Mb
5.33Mb
10.4OKb
16.80Mb
4.20Mb
8.20Kb
256 Bytes
32
4.34Mbits/sec
15 ms
55 ms
100 ms
10 ms
3000 RPM
6600 bpi
6600 fci
345 tpi
512
2048
4
2
1
Rotational speed, recording, flux and track
densities differ from SA1000 values to ac-
comodate Quantum track position servo
and higher disk capacity while retaining
Shugart Associates SA1000 and SA1400 for-
mat and interface compatibility.
Q2030
32.00Mb
5.33Mb
10.40Kb
25.20Mb
4.20Mb
8.20Kb
256 Bytes
32
4.34Mbits/sec
15 ms
60 ms
100 ms
10 ms
3000 RPM
6600 bpi
6600 fci
345 tpi
512
3072
6
3
1
Q2040
42.66Mb
5.33Mb
10.4OMb
33.60Mb
4.20Mb
8.20Mb
256 Bytes
32
4.34Mbits/sec
15 ms
65 ms
100 ms
10 ms
3000 RPM
6600 bpi
6600 fci
345 tpi
512
4096
8
4
1
3