MITSUBISHI ELECTRIC MS540 - Manual (Page 55)

T e c h n i c a l I n f o m a t i o n
A/4
Drive Specification summary (removable media only)
Floppy disk drive
Manufacturer Mitsubishi MF355F-450MP
Interface 34 Pin connector
Power Connector 4 pin miniature
Loading 1.5W during read/write
100mW during standby
(400ms start time)
Disk formats (3 Mode) DS-DD 720 Kb
1.2 Mb (NEC, Japan)
HD 1.44 Mb
Reliability MTBF Estimate, 80,000 hours
CD-ROM drive
Manufacturer Sony CDU76E
Interface IDE ATA-PI (on main board)
Mode 2 Burst mode 8.3Mb/s (max.)
4Mb/s typical
Speed Quadruple 600Kb/s Mode 1
Access time 220 ms average
410 ms full stroke
Cache Built in 256Kb
Power Connector Standard 4 pin
Loading 26W (max. at tray open/close)
Audio Internal line 750mV at 47Kohms
Headphones 550mV at 32ohms
Disks Size 12 cm, or 8 cm
Types CD-ROM mode 1, or 2, data
CD audio disks
Audio-combined CD-ROM
Multisession Photo-CD
Laser Type GaA1As semiconductor
Wavelength 780 nm
Power 0.6 mW
Reliability MTBF Estimate, 100,000 hours
Warning
The laser beam inside the CD-ROM drive is harmful to the eyes if looked at
directly. Do not attempt to remove the drive cover or otherwise disassemble the
CD-ROM drive. If a fault occurs, call an authorised maintainer.