Specifications
2-2 C156-E227-01EN
2.1.2 Specifications of drives
Table 2.2 lists the specifications of MCM3064AP, MCM3130AP optical disk
drives.
Table 2.2 Specifications (1 of 2)
[MCM3064AP, MCM3130AP]
Item Specifications
Optical disk media 128 MB media 230 MB media 540 MB media 640 MB media 1.3 GB media (*6)
Storage capacity
(one side)
Unformatted 181 MB 325 MB 819 MB 818 MB 1.688 GB
Formatted 128 MB 230 MB 538 MB 643 MB 1.283 GB
Capacity per
track
Unformatted 18,100 bytes 18,100 bytes
(logical track
capacity)
19,450 bytes
(logical track
capacity)
43,928 bytes
(logical track
capacity)
45,798 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)
34,816 bytes
(logical track
capacity)
Capacity per
sector
Unformatted 725 bytes 725 bytes 778 bytes 2,584 bytes 2,631 bytes
Formatted 512 bytes 512 bytes 512 bytes 2,048 bytes 2,048 bytes
Number of user tracks/side (*1) 10,000 17,940 42,042 18,480 36,855
Number of alternate sectors/side ≤1,024 ≤1,025 ≤2,250 ≤2,244 ≤4,437
Number of sectors/track 25 25 25 17 17
Data transfer rate 1.65 MB/s
(maximum)
0.39 MB/s
continuous
writing
(execution)
1.16 MB/s
continuous
reading
(execution)
2.00 to 3.16 MB/s
(maximum)
0.47 to 0.75 MB/s
continuous
writing
(execution)
1.40 to 2.23 MB/s
continuous
reading
(execution)
3.54 to 5.94 MB/s
(maximum)
0.78 to 1.30 MB/s
continuous
writing
(execution)
2.33 to 3.91 MB/s
continuous
reading
(execution)
3.52 to 5.87 MB/s
(maximum)
0.93 to 1.55 MB/s
continuous
writing
(execution)
2.79 to 4.66 MB/s
continuous
reading
(execution)
3.92 to 6.70 MB/s
(maximum)
0.99 to 1.70 MB/s
continuous
writing
(execution)
2.98 to 5.09 MB/s
continuous
reading
(execution)
Average seek time (*2) 23 ms (typ)
Average latency
5.5 ms 8.2 ms
Rotational speed
5,455 rpm ±0.1% 3,637 rpm ±0.1%
Heads
Positioner + Separated optical components
Positioner type
1 (Linear voice coil motor)
Servo tracking method
ISO continuous servo method
Recording density
24,424 bpi
(1.04µm/bit)
15,875 TPI
29,308 bpi
(0.87µm/bit)
18,275 TPI
52,900 bpi
(0.48µm/bit)
23,090 TPI
89,100 bpi
(0.285µm/bit)
28,200 TPI
Loading time (*3)
8 sec. (typ) 12 sec. (typ)
Unloading time (*4)
4 sec. (typ)
Load/unload life
20,000
Host interface
ATAPI (conforming to the ATA/ATAPI-5 standard)
Transfer mode
PIO mode 4, multiword DMA mode 2, and Ultra-DMA mode 2
Data transfer rate
PIO mode: 16.6 MB/s
Multiword DMA mode 2: 16.6 MB/s
Ultra-DMA mode 2: 33.3 MB/s