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RESARIO
N
OTEBOOK
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AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
S
PECIFICATIONS
7
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Hard Drive
CD or DVD 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
Heads
Sectors per Track
Bytes per Sector
15200
2
63
512
15200
4
63
512
15200
6
63
512
Seek Times (typical)
Read/Write (incl. settling)
Single track
Full stroke
13 ms
3 ms
24 ms
13 ms
3 ms
24 ms
13 ms
3 ms
24 ms
Transfer Rate at Interface
Ultra DMA mode (max)
PIO mode
66.7 Mb/s
16.6 Mb/s
66.7 Mb/s
16.6 Mb/s
66.7 Mb/s
16.6 Mb/s
CD or DVD Drive
Specification 6x DVD 8x DVD CD-RW 24x CD
Width
Height
Depth
128 mm
12.7 mm
129 mm
128 mm
12.7 mm
129 mm
128 mm
12.7 mm
129 mm
128 mm
12.7 mm
129 mm
Weight 280 g 270 g 300 g <270 g
Rotational Speed Approx. 3450 rpm 2300 rpm 4200 rpm (CD) 4225 rpm
Sustained Data Transfer Rate
(typical)
8100 Kb/s 5400Kb/s Reading:
3000 Kb/s (20x CD)
2100 Kb/s (14x CD-RW)
Writing:600 Kb/s (4x)
3600 Kb/s
Random Access Time (Avg.) 140 ms 140 ms 150 ms (Typ.) 120 ms
Spin Up Time <15 s 3.8 s <10 s 2.7 s
Data Buffer Capacity 512 Kb 128 Kb 2Mb 128 Kb