Appendix a, Floppy disk drive, Hard disk drives – Texas Instruments 4000M User Manual
Page 223: Cd-rom drive

Ap pend ix A
Floppy Disk Drive
All TM4000M Series notebooks use 1.44-MB, 3.5" floppy
disks.
Hard Disk Drives
The following is a listing of hard drives types for the
TM4000M Series notebooks:
CD-ROM Drive
CD-ROM specifications are as follows:
❑
Single-sided
❑
250 ms access time
❑
300 KB per second sustained transfer rate
❑
Supports SCSI synchronous transfer (up to 4.2 MB
per second)
❑
Supports photo-CD multi sessions disc compatibility
and multi-media PC specification compatibility
❑
Output level - .9V (rms Typ)
❑
Output type - unbalanced
❑
Load impedence - 10 k
Ω
min
DX4/75
SX2/25
340-MB Hard Drive
120-MB Hard Drive
200-MB Hard Drive
Appendix A
A-2 Specifications