Acer TravelMate 220 series, Service Manual

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Chapter 1 19
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.90MDC
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-226A033
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 (IC25N010ATD) IBM (IC25N020ATD)
Capacity (MB) 10000 20000
Bytes per sector 512 512
Logical heads 16 16
Logical sectors 63 63
Drive Format
Logical cylinders 16383 16383
Physical read/write heads 2 3
Disk 1 2
Spindle speed (RPM) 4200RPM 4200RPM
Performance Specifications
Buffer size 512KB 2MB
Interface ATA-5 ATA-5
Data transfer rate (disk
buffer, Mbytes/s) 105-199 121-216
Data transfer, rate
(host~buffer, Mbytes/s) 100 MB/Sec
DC Power Requirements
Voltage tolerance 5 +/- 5% 5 +/- 5%