Acer Aspire 4220, Service Manual

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34 Chapter 1
Drive Format
Disks 1 2 2
Spindle speed
(RPM) 4200 RPM 4200 RPM 4200 RPM
Performance Specifications
Buffer size 2048KB 8192KB 8192KB
Interface ATA/ATAPI-6; ATA-6 ATA/ATAPI-6; ATA-6 ATA/ATA-6; ATA-6
Max. media
transfer rate
(disk-buffer,
Mbytes/s) 372 350 350
Data transfer
rate
(host~buffer,
Mbytes/s) 100 MB/Sec.
Ultra DMA mode-5 100 MB/Sec.
Ultra DMA mode-5 100 MB/Sec.
Ultra DMA mode-5
DC Power Requirements
Voltage
tolerance 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5%
DVD-Dual Interface
Item Specification
Vendor & model name LITEON SOSW-833S
PIONEER DVR-K16RA
Performance Specification With CD Diskette With DVD Diskette
Transfer rate (KB/sec) Sustained:
Max 3.6Mbytes/sec Sustained:
Max 10.8Mbytes/sec
Buffer Memory 2MB
Interface Enhanced IDE(ATAPI) compatible
Applicable disc format Support disc formats
1. Reads data in each CD-ROM, CD-ROM XA, CD-1, Video CD, CD-Extra and
CD-Text
2. Reads data in Photo CD (single and Multi-session)
3. Reads standard CD-DA
4. Reads and writes CD-R discs
5. Reads and writes CD-RW discs
6. Reads and writes in each DVD+R/RW (Ver. 1.1)
7. Reads data in each DVD-ROM and DVD-R (Ver. 2.0 for Authoring)
8. Reads and writes in each DVD-R (Ver. 2.0 for general), DVD-RW and
DVD+R/RW (Ver1.1)
Loading mechanism Load: Manual
Release: (a) Electrical Release (Release Button)
(b) Release by ATAPI command
(c) Emergency Release
Power Requirement
Input Voltage 5 V +/- 5 % (Operating)
Audio Interface
Item Specification
Audio Controller Realtek ALC268S
Audio onboard or optional Onboard
Hard Disk Drive Interface
Item