Fujitsu MCE3064SS, Руководство по эксплуатации продукта

Страница: 34 / 181

C156-E097-01EN 2 - 3
Table 2.2 Specifications (2 of 4)
For MCF3064SS
Item Specifications
Optical disk cartridge 128 MB media 230 MB media 540 MB media 640 MB media
Total capacity Unformatted 181 MB 325 MB 819 MB 818 MB
Formatted 128 MB 230 MB 538 MB 643 MB
Capacity/track Unformatted 18,100 bytes 18,100 bytes
(logical track
capacity) 19,450 bytes
(logical track
capacity) 43,928 bytes
(logical track
capacity)
Formatted 12,800 bytes 12,800 bytes
(logical track
capacity) 12,800 bytes
(logical track
capacity) 34,816 bytes
(logical track
capacity)
Capacity/sector Unformatted 725 bytes 778 bytes 2,584 bytes
Formatted 512 bytes 2,048 bytes
Number of user tracks/side (*1) 10,000 17,940 42,042 18,480
Number of alternate sectors/side
≤
1,024
≤
1,025
≤
2,250
≤
2,244
Number of sectors/track 25 17
Data transfer rate 1.09 MB/s (max.)
0.25 MB/s
continuous
writing (execution)
0.76 MB/s
continuous
reading (execution) 1.3 to 2.1 MB/s
(max.)
0.31 to 0.49 MB/s
continuous
writing (execution)
0.92 to 1.47 MB/s
continuous reading
(execution) 2.33 to 3.92 MB/s
(max.)
0.51 to 0.86 MB/s
continuous
writing (execution)
1.52 to 2.58 MB/s
continuous reading
(execution) 2.32 to 3.87 MB/s
(max.)
0.61 to 1.02 MB/s
continuous
writing (execution)
1.84 to 3.07 MB/s
continuous reading
(execution)
Random seek time (*2) 23 ms typ
Average latency 8.3 ms
Rotational speed 3,600 rpm ±0.1%
Heads One-head on the positioner
Positioner type Linear voice coil motor
Servo tracking method ISO continuous servo method
Density 24,424 bpi
(1.04µm/bit)
15,875 tpi 29,308 bpi
(0.87µm/bit)
18,275 tpi 52,900 bpi
23,090 tpi
Loading time (*3) 7 sec.
Unloading time (*4) 4 sec.
Load/unload life 20,000
Host interface SCSI-2 (Single-ended)
Unshielded 50-contact connector
Terminating resistor provided
Data transfer rate (*5) Synchronous mode: 20 MB/s (max.)
Asynchronous mode: 5 MB/s (max.)
Data buffer 2,016 KB
Error correction (*6) Correctable up to 8-byte/interleave
Bit error rate: 10
-12
less