MiTAC 7521 PLUS/N service manual 7521Plus / N N/B MAINTENANCE, Keyboard, Floppy Disk Drive

7521Plus / N N/B MAINTENANCE

Rotational Speed: 4,200 rpm +-1%

Average Latency: 7.14 ms

Interface: ATA-5 (Max. Cable length: 0.46 m) Data transfer rate:

To/From Media: 12.5 to 22.3 MB/s

To/From Host: 66.6 MB/s Max (Ultra-DMA mode 4)

Data Buffer Size: 512 KB

Spin up current: 0.9Arms

Max. Power Consumption: 4.5W (During spin up)

Physical Dimensions (H X W X D): 9.5 mm X 100.0 mm X 70.0 mm 15GB, 20GB, 24GB HDD To Be Defined.

Keyboard

‰External keyboard: Supports IBM 106 key compatible keyboard

Key pitch: 19 mm Windows95 applied

‰Internal keyboard: Compatible Japanese keyboard layout (90 keys)

Floppy Disk Drive

‰Mitsumi D353G

‰Using High density (2HD) 3.5 inch disk

‰Data transfer rate: 500k bits/sec

‰Disk rotational speed: 300 rpm for 2mode, 360rpm for 3mode

‰Track density: 135 tip

‰ Track to Track time: 3msec 43