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2.1 Optical Disk Drive Specifications
C156-E205-01EN 2-3
Table 2.2 Specifications (2 of 2)
[MCJ3230AP]
Item Specifications
Optical disk cartridge 128 MB media 230 MB media 540 MB media 640 MB media 1.3 GB media 2.3 GB media
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
112,474 bpi
(0.228µm/bit)
37,910 tpi
Loading time (*3)
8 sec. (typ) 12 sec. (typ) 20 sec. (typ)
Unloading time (*4)
4 sec. (typ)
Load/unload life
20,000
Host interface
ATAPI (ATA/ATAPI-4 standard)
Data Transfer Model and rates
PIO Mode 4 16.6 MB/s
Multi-word DMA Mode 2 16.6 MB/s
Ultra DMA Mode 2 33.3 MB/s
Data buffer
7,600 KB
Error correction (*5)
Correctable up to 8-byte/interleave
Bit error rate: 10
-12
or less
*1 The number of user tracks indicates the maximum user zone which includes
the spare area and slipping area.
*2 Mathematical average of 1,000 times of seek and does not include command
overhead nor track address recognition time. Furthermore, it may depend
on the quality of media and drive installation environment.
*3 Loading time is the time from when the optical disk cartridge is inserted to
when the optical disk drive is ready.
*4 Unloading time is the time from when the eject button is pressed or the eject
command is issued to when the optical disk cartridge is ejected.
*5 The bit error rate must be 10
-12
or less when a disk whose raw error rate is
10
-4
or less is used.