Compaq XL185 CD or DVD Drive, Presario 1800 Series, Hard Drives, Specification, 6.0 GB, Cd-Rw

Presario 1800 Series

Models: XL180, XL181, XL182, XL183, XL185,

and XL190, XL191, XL192

Hard Drive

Hard Drives

Specification	6.0 GB	12.0 GB	18.0 GB
Drive Type	Ultra DMA 66.7	Ultra DMA 66.7	Ultra DMA 66.7
Cylinders	15200	15200	15200
Heads	2	4	6
Sectors per Track	63	63	63
Bytes per Sector	512	512	512
Seek Times (typical)
Read/Write (incl. settling)	13 ms	13 ms	13 ms
Single track	3 ms	3 ms	3 ms
Full stroke	24 ms	24 ms	24 ms
Transfer Rate at Interface
Ultra DMA mode (max)	66.7 Mb/s	66.7 Mb/s	66.7 Mb/s
PIO mode	16.6 Mb/s	16.6 Mb/s	16.6 Mb/s

CD or DVD Drive

CD or DVD Drive

Specification	6x DVD	8x DVD	CD-RW
Width	128 mm	128 mm	128 mm
Height	12.7 mm	12.7 mm	12.7 mm
Depth	129 mm	129 mm	129 mm
Weight	280 g	270 g	300 g
Rotational Speed Approx.	3450 rpm	2300 rpm	4200 rpm (CD)
Sustained Data Transfer Rate	8100 Kb/s	5400Kb/s	Reading:
(typical)			3000 Kb/s (20x CD)
			2100 Kb/s (14x CD-RW)
			Writing:600 Kb/s (4x)
Random Access Time (Avg.)	140 ms	140 ms	150 ms (Typ.)
Spin Up Time	<15 s	3.8 s	<10 s
Data Buffer Capacity	512 Kb	128 Kb	2Mb

24x CD

128mm 12.7 mm

129mm

<270 g

4225 rpm

3600 Kb/s

120ms

2.7 s

128Kb

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES SPECIFICATIONS 7