QuickSpecs

Compaq Evo Desktop D300/300s

Technical Specifications – Optical Storage

8X Combo CD-RW/DVD-ROM

Orientation

Either horizontal or vertical

 

(5.25-inch, half-height, tray-load)

 

 

 

 

 

 

 

 

Interface type

ATAPI

 

 

 

 

 

Dimensionsexternal,

5.8 x 1.7 x 7.7 inches (146.5 x 42.1 x 196 mm)

 

excluding bezel

 

 

 

(W x H x D)

 

 

 

 

 

 

Disc diameter

5 inches, 3 inches (12 cm, 8 cm)

 

 

 

 

 

Disc thickness

0.05 inch (1.2 mm)

 

 

 

 

 

 

Track pitch

1.6 µm (CD), 0.74 µm (DVD)

 

 

 

 

 

 

Disc center hole diameter

0.6 inch (15 mm)

 

 

 

 

 

Reference scanning

1.2 m/s (CD); 3.5 m/s (DVD SL); 3.8 m/s (DVD DL)

 

velocity

 

 

 

 

 

 

 

Read only disc parameters

Formats and modes

CD-ROM—Mode 1; CD-ROM XA—Mode 2 (forms

 

 

supported

1 and 2); CD digital audio; CD Extra; CD-I—Mode

 

 

 

2 (forms 1 and 2) and CD-I-Ready; Photo CD

 

 

 

(single and multi-session); video CD; DVD (single-

 

 

 

and double-layer); DVD-R (3.95-GB); DVD-R (4.7-

 

 

 

GB)

 

 

Capacity

540 MB (CD— mode 1, 12 cm); 650 MB (CD—

 

 

 

mode 2, 12 cm); 700MB (CD-ROM—80 minutes);

 

 

 

180 MB (CD-ROM—8 cm); 4.7 GB (DVD-5); 8.5

 

 

 

GB (DVD-9); 9.4 GB (DVD-10)

 

 

Block size

Mode 1—2,048 and 2,352 bytes; mode 2, form

 

 

 

1—2,048, 2,328, 2,336, 2,340 and 2,352 bytes;

 

 

 

mode 2, form 2—2,328, 2,336, 2,340 and 2,352

 

 

 

bytes; CD-DA—2,352 and 2,368 bytes; DVD—

 

 

 

2,048 bytes

 

 

 

 

 

Writeable disc parameters

Disc type

CD-R and CD-RW

 

 

Write methods

Disc at Once, Track at Once, Session at Once,

 

 

 

Variable Packet, Fixed Packet

 

 

Format and modes supported CD-ROM (mode 1); CD-ROM XA (mode 2, forms

 

 

 

1 and 2); CD digital audio, CD-I (mode 2, forms 1

 

 

 

and 2); video CD

 

 

Capacity

540 MB (mode 1, 12 cm); 650 MB (mode 2, 12

 

 

 

cm); 700 MB (CD-ROM, 80 minutes); 180 MB

 

 

 

(CD-ROM, 8 cm)

 

 

Block size

Mode 1 Disc type—2,048 bytes; mode 2, form 1—

 

 

 

2,048 and 2,352 bytes; mode 2, form 2—2,352

 

 

 

bytes; CD-DA—2,352 bytes

 

 

 

 

 

Access times (typical reads,

Random

< 130 ms (typical)

 

including settling)

 

 

 

 

Full stroke

< 240 ms (typical)

 

 

 

 

DA-10948

North America — Version 13 — May 9, 2002

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Compaq D300 8X Combo CD-RW/DVD-ROM Orientation, Interface type, Dimensions-external, Excluding bezel, Disc thickness