MPI 40 Series - Performance Specifications; Functional Specifications; Fm Mfm

MODEL 41
SINGLE
DENSITY
DOUBLE
DENSITY
MODEL 42
SINGLE
DENSITY
DOUBLE
DENSITY
1.6.1 Performance Specifications
Capacity (Kilobytes)
Unformatted
Per disk
Per surf ace
Per track
IBM Format
(128 Byte Sectors)
Per disk
Per surf ace
Per track
Transfer Rate
(K Bits/sec)
Latency Time (Avg)
Access Time
Track to track
Average
{includes settling)
Settling time
Head load time
1.6.2 Functional Specifications
Rotational speed
Speed error
Recording density
(inside track)
Flux density
Track density
Cylinders
Tracks
Heads
400
400
5.2
250
250
3.3
250
83 ms
3 ms
91 ms
8 ms
35 ms
360 RPM
+1.5%
3200 BPI
6400 FCI
48 TPI
77
800
800
10.4
500
500
6.6
500
83 ms
3 ms
91 ms
8 ms
35 ms
360 RPM
+1.5%
6400 BPI
6400 FCI
48 TPI
77
800
400
5.2
500
250
3.3
250
83 ms
3 ms
91 ms
15 ms
35 ms
1600
800
10.4
1000
500
6.6
500
83 ms
3 ms
91 ms
15 ms
35 ms
360 RPM 360 RPM
+1.5% +1.5%
3408 BPI 6816 BPI
6816 FCI
48 TPI
77
6816 FCI
48 TPI
77
77 77 154 154
1 1 2 2
Physical sectors
Index
0,8,16,32 0,8,16,32 0,8,16,32 0,8,16,32
1 1 1 1
Encoding methods
FM MFM FM MFM
1-5