JVC MC-R421U Computer Drive User Manual


 
8
SPECIFICATIONS
Interface : SCSI-2
Data transmission rate : Sustained (When the host adapter is set to the maximum sync transfer rate of 20 Mbytes/sec.)
DVD-R for General (Single-sided 4.7 GB or double-sided 9.4 GB, recordable):
3.31 Mbytes/s to 5.75 Mbytes/s
DVD-ROM (Single Layer), DVD-R for General (Single-sided 4.7 GB or double-sided 9.4 GB, playback)
3.44 Mbytes/s to 5.78 Mbytes/s (6X max., CAV)
DVD-RAM (Ver. 2.1, single-sided 4.7 GB, double-sided 9.4 GB, playback only):
2.77 Mbytes/s
DVD-RAM (Ver. 1.0, single-sided 2.6 GB, playback only):
1.38 Mbytes/s
CD-ROM/-R (Playback only):
1.5 Mbytes/s to 3.6 Mbytes/s (24X max., CAV)
CD-RW (Playback only):
Max. 1.8 Mbytes/s (12X max., CAV)
Burst
Max. 8 Mbytes/sec. (async transfer)
Max. 10 Mbytes/sec. (sync transfer)
Average access time : DVD-R for General 4.7 GB : 100 ms
DVD-ROM (Single Layer) : 100 ms
DVD-RAM (4.7 GB) : 135 ms
DVD-RAM (2.6 GB) : 155 ms
CD-ROM : 95 ms
The above values were measured using JVC's measurement method.
Buffer capacity : 1 Mbyte
Additional write count : Max. 100 times (per disc side)
(DVD-R for General 4.7 GB) (Assuming that each disk drive insertion/ejection cycle is counted as one time)
Accessories : SCSI cable (with a connector cap, 1 m length) ..................... x 1
Clamp filter (with band) ......................................................... x 2
ROM...................................................................................... x 3
Drive locking screw ............................................................... x 2
Operating environment : Temperature : 5˚C to 35˚C
Humidity : 10% to 80% (without condensation)
Dimensions : 171 mm x 47.5 mm x 240 mm (WxHxD)
Weight : 1.5 kg
Applicable discs : DVD-R for General 4.7 GB
Recommended discs (Single-sided 4.7 GB):
Panasonic LM-RF47
Panasonic LM-RS47B50 (Spindle type, 50-disc pack)
Verbatim 094077
Verbatim 094058 (Spindle type, 50-disc pack)
Maxell DR47.1P
Maxell DR47.50S (Spindle type, 50-disc pack)
Recommended disc (Double-sided 9.4 GB):
Verbatim 094171 (Spindle type, 50-disc pack)
Maxell DR94.50S (Spindle type, 50-disc pack)
DVD-R 3.95 GB (Ver. 1.0, disc at once, playback only)
DVD-ROM
DVD-RAM (Ver. 2.1, single-sided 4.7 GB, double-sided 9.4 GB, playback only)
DVD-RAM (Ver. 1.0, single-sided 2.6 GB, playback only)
CD-ROM (Mode 1, Mode 2, etc.)
CD-R (Playback only)
CD-RW (Playback only)
* Note 1 : With the DVD-R, DVD-RAM, CD-R and CD-RW, the full performance may not be evident
depending on the write condition.
* Note 2 : Only the discs with a diameter of 120 mm are applicable.
The specifications and appearance of this unit are subject to change without notice.
(1/3 stroke, typ.)