Acer 505 User Manual
Page 23
Chapter 1
17
Floppy Disk Drive Interface
Item
Specification
Vendor & model name
Mitsumi D353F3X
Floppy Disk Specifications
Media recognition
2DD (720KB)
2HD (1.2MB, 3-mode)
2HD (1.44MB)
Sectors/track
9
15
18
Tracks
80
80
80
Data transfer rate
(Kbit/s)
1 MB
1.6 MB
2 MB
Rotational speed (RPM)
300
360
300
Read/write heads
2
Encoding method
MFM/FM
Power Requirement
Input Voltage (V)
+5V ±10%
Hard Disk Drive Interface
Item
Specification
Vendor & Model Name
IBM DARA 206000
IBM DARA 209000
Drive Format
Capacity (MB)
6000
9000
Bytes Per Sector
512
512
Logical Heads
15
16
Logical Sectors
63
63
Drive Format
Logical Cylinders
12416
16383
Physical Read/Write Heads
2
3
Disks
1
2
Spindle Speed (RPM)
4200
4200
Performance Specifications
Buffer Size
418 KB
418 KB
Interface
IDE
IDE
Data Transfer Rate (Disk-Buffer, Mbits/
s)
161.6 - 85.5
161.6 - 85.5
Data Transfer Rate (Host-Buffer,
Mbytes/s)
66.6 max
16.6 max
DC Power Requirements
Voltage Tolerance
5V +/- 5%
5V +/- 5%
CD-ROM Interface
Item
Specification
Vendor & Model Name
TEAC CD-224E-A26 24X
Performance Specification
Transfer rate (KB/sec)
1545KB/sec ~ 3,600KB/sec (FULL - CAV)
Access time (typ.)
130 msec. (typ.)
Rotation speed
5136 rpm (typ.)
Memory Buffer
None
505-1.book Page 17 Thursday, November 4, 1999 4:36 PM