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Chapter 1
CD-ROM Interface
Items Specification
Vendor & Model Name MKE CR-177-B/D Mitsumi SR-243T
Performance Specification
Transfer rate CAV Mode:
775~1800 blocks/sec
Mode 1:
1550~3600 kBytes/sec
Mode 2:
1768~4106kBytes/sec
Read Sustained:
1545~3600 KB/sec
Programmed I/O:
16.7 MB/sec Max. (Mode 0~4
Multi-word DMA:
16.7 MB/sec Max. (Mode 0~2
Ultra DMA:
33.3MB/sec Max.
Access time (typ.) Random: 100 ms
Full Stroke: 200 ms
Random: 115 ms
Full Stroke: 250 ms
Rotation speed 5000 rp 5136 rp
Data Buffer Capacity 128 KB 128 KB
Interface IDE IDE
Applicable disc format CD-Audio, CD-ROM (mode 1 and Mode
2), CD-ROM XA (mode 2, form 1 an
form 2), CD-I (mode 2, form 1 and for
2), CD-I Ready, CD-I Bridge, Photo CD,
CD-WO, Video CD, Enhanced Music
CD (CD Plus), CD-RW
CD/CD-ROM(12cm,8cm), CD-R, CD-
RW, CD-DA, CD-ROM (Mode 1, Mode2),
CD-ROM XA (Mode 2, Form1 and For
2), Photo CD (Single, Multi- session),
Enhanced CD
Loading mechanis Drawer with soft eject and emergency
eject hole
Drawer with soft eject and emergency
eject hole
Power Requirement
Input Voltage +5V[DC]+/-5% +5V[DC]+/-5%
DVD-ROM Interface
Item Specification
Vendor & model name MKE SR-8176-BAA2
Performance Specification With CD Diskette With DVD Diskette
Transfer rate (KB/sec) Average Sustained:
CAV mode
775~1800 blocks/sec
(10.3X to 24X
1550~3600kBytes/sec (Mode 1)
1768~4106 kBytes/sec (Mode 2)
DVD-5:
Normal Speed (1X) 11.08 Mbits/sec
CAV mode 36.67~88.64 Mbits/sec
DVD-9/DVD-R:
Normal Speed (1X) 11.08 Mbits/sec
CAV mode 36.67~88.64 Mbits/sec
Average Full Access time (typ.) Random (*1)
CAV mode 110 msec typical 150
msec average max
Full Stroke (*2)
CAV mode 200 msec typical 260
msec average max
DVD-5:
Random (*4)
150 msec typical
200 msec average max
Full Stroke (*5)
300 msec typical
400 msec average max
DVD-9:
Random (*7)
170 msec typical
230 msec average max
Full Stroke (*8)
340 msec typical
470 msec average max
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