Acer TravelMate 520 Service Manual page 26

CD-ROM Interface
Item
Vendor & Model Name
Performance Specification
Transfer rate
Access time (typ.)
Rotation speed
Data Buffer Capacity
Interface
Applicable disc format
Loading mechanism
Power Requirement
Input Voltage
DVD-ROM Interface
Item
Vendor & model name
Performance Specification
Transfer rate (KB/s)
Access time (typ.)
Data Buffer Capacity
Interface
Applicable disc format
20
MKE CR-176-B/D 24X
CAV Mode:
775~1800 blocks/sec
Mode 1:
1550~3600 kBytes/sec
Mode 2:
1768~4106kBytes/sec
Random: 100 ms
Full Stroke: 200 ms
5000 rpm
128 KB
IDE
CD-Audio, CD-ROM ( mode 1 and
Mode 2 ), CD-ROM XA ( mode 2, form
1 and form 2 ), CD-I ( mode 2, form 1
and form 2 ), CD-I Ready, CD-I Bridge,
Photo CD, CD-WO, Video CD,
Enhanced Music CD (CD Plus), CD-
RW
Drawer with soft eject and emergency eject hole
5V+/-5%
MKE SR-8174-BXX
With CD Diskette
Average Sustained:
CAV mode 775~1800 blocks/sec
(10.3X to 24X) 1550~3600 kBytes/
sec (Mode 1)
1768~4106 kBytes/
sec (Mode 2)
Random (*1)
CAV mode 120 msec typical
180 msec average max
Full Stroke (*2)
CAV mode 210 msec typical
270 msec average max
512 kBytes
IDE
DVD: DVD-5, DVD-9, DVD-10, DVD-R (3.95G)
CD: CD-Audio, CD-ROM (mode 1 and mode 2), CD-ROM XA (mode 2, form 1
and form 2), CD-I (mode 2, form 1 and form 2), CD-I Ready, CD-I Bridge,
CD-WO, CD-RW, Photo CD, Video CD, Enhanced Music CD, CD-TEXT
Specification
TEAC CD-224E-B26
Burst:
33.3 Mbytes/sec
Sustained:
1545~3600 kBytes/sec
115 ms
5136 rpm
128 KB
IDE
CD-ROM (mode 1 and mode 2), CD-
ROM XA (mode 1, form 1 and form2),
Photo CD, Enhanced CD, CD-RW
5V+/-5%
Specification
With DVD Diskette
DVD-5:
Normal Speed (1X)
11.08 Mbits/sec
CAV mode
27.51~66.48 Mbits/sec
DVD-9:
Normal Speed (1X)
11.08 Mbits/sec
CAV mode
TBD~TBD Mbits/sec
Random (*3)
170 msec typical
270 msec average max
Full Stroke (*4)
320 msec typical
480 msec average max
Chapter 1