Acer TravelMate -550 Service Manual page 33

Hard Disk Drive Interface
Item
Disks 1
Spindle speed 4200 RPM
(RPM)
Performance Specifications
Buffer size 2048KB
Interface ATA-5
Max. media 216
transfer rate
(disk-buffer,
Mbytes/s)
Data transfer 100 MB/Sec.
rate
Ultra DMA
(host~buffer,
mode-5
Mbytes/s)
DC Power Requirements
Voltage 5V(DC) +/- 5%
tolerance
DVD-ROM Interface
Item
Vendor & model name
Performance Specification
Transfer rate (KB/sec)
Data Buffer Capacity
Interface
Applicable disc format
Loading mechanism
Power Requirement
Input Voltage
Chapter 1
Specification
1 2
4200 RPM 4200RPM
512KB 2048KB
ATA-5 ATA-5
235 287
100 MB/Sec. 100 MB/Sec.
Ultra DMA Ultra DMA
mode-5 mode-5
5V(DC) +/- 5% 5V(DC) +/- 5%
Toshiba SD-C2502
With CD Diskette
Sustained:
Max 3.6Mbytes/sec
128 KBytes
IDE/ATAPI
DVD: DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18),DVD-R (read, single
border)
CD: CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, CD-I, CD-
I Bridge (Photo-CD, Video-CD) Multisession CD (Photo-CD, CD-EXTRA, CD-R,
CD-RW), CD-R (read), CD-RW (read)
Load: Manual
Release: (a) Electrical Release (Release Button)
(b) Release by ATAPI command
(c) Emergency Release
+5 V +/- 5 % (Operating)
+/- 8 % (Start up)
2 2
4200RPM 4200RPM
2048KB 2048KB
ATA-5 ATA-5
216 235
100 MB/Sec. 100 MB/Sec.
Ultra DMA Ultra DMA
mode-5 mode-5
5V(DC) +/- 5% 5V(DC) +/- 5%
Specification
With DVD Diskette
Sustained:
Max 10.8Mbytes/sec
2
4200RPM
2048KB
ATA-5
287
100 MB/Sec.
Ultra DMA
mode-5
5V(DC) +/- 5%
25