Fdd; Hdd; Fdd Specifications; Hdd Specifications - Acer Extensa 61X Service Manual

1.4.18

FDD

Table 1-26

FDD Specifications

Item
Vendor & model name
Floppy Disk Specifications
Media recognition
Sectors / track
Tracks
Data transfer rate (Kbits/s)
Rotational speed (RPM)
Read/write heads
Encoding method
Power Requirement
Input Voltage (V)
1.4.19

HDD

Table 1-27

HDD Specifications

Item
Vendor & Model Name
Drive Format
Capacity (MB)
Bytes per sector
Logical heads
Logical sectors
Logical cylinders
Physical read/write heads
Disks
Spindle speed (RPM)
Performance Specifications
Buffer size (KB)
Interface
Data transfer rate
(disk-buffer, Mbytes/s)
1-24
Mitsumi D353F2
2DD (720K)
9
80
250
300
+5 ± 10%
IBM DMCA21080 IBM DMCA21440
1080 1440
512 512
16 16
63 63
2100 2800
3
4
2 2
4009 4009
128 96
ATA-3 ATA-3
39.5 ~ 61.8 39.5 ~ 61.8
Specification
2HD (1.2M, 3-mode)
15
80
300 500
360 360
2
MFM
Specification
IBM DTNA22160
2160
512
16
63
4200
6
3
4000
96
ATA-3
39.1~ 61.6
2HD (1.44M)
18
80
500
300
Toshiba
MK1002MAV
1085
512
16
63
2100
6
3
4635
128
ATA-3
29.3 ~ 55.5
Service Guide