Acer 280 User Manual

Page of 164
Chapter 1
20
 
Modem Interface
Item
Specification
Chipset
Ambit MDC module with Lucent modem controller
Fax modem data baud rate (bps)
14.4K
Data modem data baud rate (bps)
56K
Supports modem protocol
V.90/V.92MDC
Modem connector type
RJ11
Modem connector location
Rear side
Floppy Disk Drive Interface
Item
Specification
Vendor & model name
Mitsumi D353G W/I BEZ
MCI JU-226A293
Floppy Disk Specifications
Media recognition
2DD (720KB)
2HD (1.2 MB, 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
Power Requirement
Input Voltage (V)
+5V
Hard Disk Drive Interface
Item
Specification
Vendor & Model Name
IBM  (IC25N020ATD)
Capacity (MB)
20000
Bytes per sector
512
Logical heads
16
Logical sectors
63
Drive Format
Logical cylinders
16383
Physical read/write heads
3
Disks
2
Spindle speed (RPM)
4200RPM
Performance Specifications
Buffer size 
2MB
Interface
ATA-5
Data transfer rate (disk-
buffer, Mbytes/s)
121-216
Data transfer, rate 
(host~buffer, Mbytes/s)
100 MB/Sec
DC Power Requirements
Voltage tolerance
5 +/- 5%