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Acer 505 User Manual

Page 23

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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