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Quickspecs – Compaq dc7700 User Manual

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SATA CD-RW/DVD-
ROM Combo Drive

Height

5.25-inch, half-height, tray-load

Orientation

Either horizontal or vertical

Interface type

SATA/ATAPI

Disc capacity

Single layer: Up to 4.7 GB (6 times capacity of CD-ROM)
Double layer: Up to 8.5 GB (12 times capacity of CD-ROM)

Dimensions (W x H x D) 5.9 x 1.7 x 8.0 in (15.0 x 4.4 x 20.3 cm)

Weight (max)

2.6 lb (1.2 kg)

Write speeds

CD-R

Up to 48X

CD-RW

Up to 32X

Read speeds

DVD+R/-R/+RW/
-RW/+R DL /-R DL

Up to 8X

DVD-ROM

Up to 16X

CD-ROM, CD-R

Up to 48X

CD-RW

Up to 32X

Access time
(typical reads, including
settling)

Random

DVD: < 140 ms (typical), CD: < 125 ms
(typical)

Full Stroke

DVD: < 250 ms (typical), CD: < 210 ms
(typical)

Power

Source

SATA DC power receptacle

DC Power Requirement5 VDC ± 5%-100 mV ripple p-p

12 VDC ± 5%-200 mV ripple p-p

DC Current

5 VDC (< 1000 mA typical, < 1600 mA
maximum)

12 VDC (< 600 mA typical, < 1400 mA
maximum)

Environmental (all
conditions non-
condensing)

Temperature

41° to 122° F (5° to 50° C)

Relative Humidity

10% to 90%

Maximum Wet Bulb
Temperature

86° F (30° C)

Operating systems
support

Microsoft Windows 2000, Windows XP Professional, Windows XP
Home

CD-ROM Drive

Interface

SATA

Data Transfer Rate

Variable (Audio CD) –
1,800 to 3,600 KB/s
(24X) Max

Variable (CD-ROM, CD-R)– 2,400 to 7,200
KB/s (48X) Max

Access Time (ms)

Random: <125 ms

Full-stroke seek: <210 ms

Data Buffer

2MB

Disk Formats Read

CD-ROM Mode 1, CD-ROM XA (Mode 2, Form 1 and 2), CD Digital
Audio, CD-EXTRA, CD-I (Mode 2, Form 1 and 2) and CD-I Ready, CD-
Text, CD-Bridge, Photo CD (Single and Multi Session), Video CD, CD-R
and CD-RW Multi-Session

Disk Formats Written

None

Disk Capacity (CD)

180 MB, 54 0MB, 650 MB, and 700 MB

Block Size

Mode 1–2,048, 2,352 bytes
Mode 2–1, 2,048, 2,328, 2,336, 2,340, 2,353 bytes
Mode 2–2, 2,328, 2,336, 2,340, 2,352 bytes
CD-DA–2,352, 2,368 bytes

Diameter

12 cm; 8 cm

QuickSpecs

HP Compaq dc7700 Business PC

Technical Specifications - Optical Storage

DA - 12543 Worldwide QuickSpecs — Version 3 — 9.28.2006

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