Acer Extensa 2000 Service Manual page 30

Hard Disk Drive Interface
Item
Bytes per sector
Logical heads
Logical sectors
Drive Format
Logical cylinders
Physical read/write
heads
Disks
Spindle speed (RPM)
Performance Specifications
Buffer size
Interface
Data transfer rate
(disk-buffer, Mbytes/
s)
Data transfer, rate
(host~buffer, Mbytes/
s)
DC Power Requirements
Voltage tolerance
CD-ROM Interface
Items
Vendor & Model Name
Performance Specification
Brust Data Transfer rate
Access time (typ.)
Rotation speed
Data Buffer Capacity
Interface
Chapter 1
512
16
63
16383
2/Not show/2
1/Not show/1
4200RPM
2MB
ATA-5 for other vendors /ATA-
6 for HGST and Toshiba
350
100 MB/Sec
5 +/- 5%
QSI SCR242
Mitsumi SR244W1
PIO mode 4:
16.7 MB/sec Max. (Mode 0~4)
Multi-word DMA mode 2:
16.7 MB/sec Max. (Mode 0~2)
Ultra DMA mode 2:
33.3MB/sec Max.
QSI-
Random: 90 ms
Full Stroke: 180 ms
Mitsumi-
Random: 100 ms
Full Stroke: 240 ms
5100 rpm for QSI
5400 rpm for Mitsumi 24X CAV mode
128 KB (built-in)
Compliant to ATA/ATAPI-6
512
16
63
16383
2/Not show/2/2
1/Not show/1/1
4200RPM
2MB/8MB for Toshiba
ATA-5 for other vendors /ATA-
6 for HGST
350
100 MB/Sec
5 +/- 5%
Specification
512
16
63
16383
3/
2
4200RPM
2MB
ATA-5 for other vendors /ATA-
6 for HGST
350
100MB/Sec
21