HP D315 manual Optical Drive Specifications, Hard Drive Specifications, Cd-R, Cd-Rw

Chapter 2 System Overview

Table 2-10.Optical Drive Specifications

Table 2-10.

Optical Drive Specifications

Parameter	48x CD-ROM	16/10/40x CD-RW Drive
Part number	232320-001	281749-001
Interface Type	IDE	IDE
Media Type (reading)	Mode 1,2, Mixed Mode, CD-DA,	Mode 1,2, Mixed Mode, CD-DA,
	Photo CD, Cdi, CD-XA	Photo CD, Cdi, CD-XA
Media Type (writing)	N/a	CD-R, CD-RW
Transfer Rate (Reads)	4.8 Kb/s (max sustained)	CD-ROM, 4.8 Kb/s;
		CD-ROM/CD-R, 1.5-6 Kb/s
Transfer Rate (Writes):	N/a	CD-R, 2.4 Kbps (sustained);
		CD-RW, 1.5 Kbps (sustained);
Capacity:		650 MB @ 12 cm
Mode 1, 12 cm	540 MB
Mode 2, 12 cm	650 MB
8 cm	180 MB	180 cm
Center Hole Diameter	15 mm	15 mm
Disc Diameter	8/12 cm	8/12 cm
Disc Thickness	1.2 mm	1.2 mm
Track Pitch	1.6 um	1.6 um
Laser
Beam Divergence	53.5 +/- 1.5 °	53.5 + 1.5°
Output Power	53.6 0.14 mW	53.6 0.14 mW
Type	GaAs	GaAs
Wave Length	790 +/- 25 nm	790 +/- 25 nm
Average Access Time:
Random	<100 ms	<120 ms
Full Stroke	<150 ms	<200 ms
Audio Output Level	0.7 Vrms	0.7 Vrms
Cache Buffer	128 KB	128 KB

Table 2-11.Hard Drive Specifications

Table 2-11.

Hard Drive Specifications

Parameter	20.0 GB	20.0 GB	40.0 GB	40.0 GB
Part Number	249408-001 260671-001		236421-001	286692-001
Drive Size	3.5”	3.5”	3.5”	3.5”
Interface	UATA/100	UATA/100	UATA/100	UATA/100
Transfer Rate	100 MBps	100 MBps	100 MBps	100 MBps
Drive Protection System Support?	Yes	Yes	Yes	Yes
Typical Seek Time (w/settling) [1]
Single Track	2.0 ms	1.2 ms	1.5 ms	1.2 ms
Average	12.8 ms	8.0 ms	10.5 ms	8.0 ms
Full Stroke	28.5 ms	18 ms	23 ms	18 ms
Disk Format (logical blocks)	39,102,336	39,102,336	39,102,336	78,165,360
Rotation Speed	5400 RPM	7200 RPM	5400 RPM	7200 RPM
Drive Fault Prediction	SMART III	SMART III	SMART III	SMART III

NOTE:

Actual times may vary depending on specific drive installed.

2-16Compaq D315 and hp d325 Personal Computers Featuring the AMD Athlon XP Processor

Second Edition – March 2003