Track Pitch

1.8 um

---------------------------------------------------------------------------

Laser:

Beam Divergence

10 (vertical)/36 (horizontal) degrees

Output Power

0.7

to

2.5 mw

Type

Ellipse

Wave Length

780

nm

+15/- 10

---------------------------------------------------------------------------

Access

time:

 

 

Random

250

ms

Full

Stroke

500

ms

---------------------------------------------------------------------------

Audio output level:

Line Out

0.85

mV rms

Headphone

None

 

---------------------------------------------------------------------------

Cache buffer

128 KB

---------------------------------------------------------------------------

Data transfer rate:

 

Sustained

600 KB/sec

Asynchronous

14.3 MB/sec

Startup Time

7 seconds typical

===========================================================================

Table 8-13. 6X CD-ROM Drive Specifications

===========================================================================

Applicable Disc

CD-ROM mode 1, mode 2

 

CD-Digital

Audio

 

CD-XA

mode

2 (Form 1, Form 2)

 

Photo

CD (signal/multisession)

---------------------------------------------------------------------------

Center Hole Diameter

15 mm

---------------------------------------------------------------------------

Disc Diameter12 cm, 8 cm

---------------------------------------------------------------------------

Rotational Speed

1200 - 3180 rpm

---------------------------------------------------------------------------

Disc Thickness

1.2 mm

---------------------------------------------------------------------------

Track Pitch

1.8 um

---------------------------------------------------------------------------

Laser:

Beam Divergence

11 (vertical)/37 (horizontal) degrees

Output Power

5 mw

Type

AlGaAs double-hetero visible laser diode

Wave Length

785 nm

---------------------------------------------------------------------------

Access time:

Random

190

ms

(6X

speed)

Full Stroke

450

ms

(6X

speed)

---------------------------------------------------------------------------

Audio output level:

Line Out

0.85

mV rms

Headphone

None

 

---------------------------------------------------------------------------

Cache buffer

128 KB

---------------------------------------------------------------------------

Data transfer rate:

 

Sustained

900 KB/sec

Asynchronous

16.7 MB/sec