Acer TravelMate 620 TravelMate 620 Service Guide - Page 30

Floppy Disk Drive Interface Item Vendor & model name Floppy Disk Specifications Media recognition Sectors/track Tracks Data transfer rate (Kbit/s) Rotational speed (RPM) Read/write heads Encoding method Power Requirement Input Voltage (V) Mitsumi D353G 2DD (720KB) 9 80 1 MB 300 2 MFM/FM +5V +/- 10% Specification 2HD (1.2MB, 3-mode) 15 80 1.6 MB 360 2HD (1.44MB) 18 80 2 MB 300 Hard Disk Drive Interface Item Vendor & Model Name Capacity (MB) Bytes per sector Data heads Recording zone Drive Format Disks Spindle speed (RPM) Performance Specifications Buffer size Interface Max. media transfer rate (disk-buffer, Mbytes/s) Data transfer rate (host~buffer, Mbytes/s) DC Power Requirements Voltage tolerance IBM Travelstar 10GN IC25N020ATDA04 10000 512 2 16 1 4200 RPM 512KB ATA-5 216 100 MB/Sec. Ultra DMA mode-5 5V(DC) +/- 5% Specification IBM Travelstar 20GN IC25N020ATDA04 IBM Travelstar 30GN IC25N030ATDA04 20000 30000 512 512 3 4 16 16 2 4200 RPM 2 4200 RPM 2048KB ATA-5 216 100 MB/Sec. Ultra DMA mode-5 2048KB ATA-5 235 100 MB/Sec. Ultra DMA mode-5 5V(DC) +/- 5% 5V(DC) +/- 5% DVD-ROM Interface Item Vendor & model name Performance Specification Transfer rate (KB/sec.) Data Buffer Capacity Interface MKE SR-8176 With CD Diskette Sustained: Max 3.6Mbytes/sec 512 KBytes IDE/ATAPI Specification With DVD Diskette Sustained: Max 10.8Mbytes/sec. 22 Chapter 1