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8 S
PECIFICATIONS
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Battery Pack
*The battery operating lifetime depends on your power management settings,
system components, options, and applications.
CD/CD-RW/DVD Drive
*Specifications vary by vendor/brand.
Specification 3.2 AHr Li-ion 3.6 AHr Li-ion
Type Lithium Ion Enhanced Lithium Ion Enhanced
Height
Length
Width
0.8 in. (20.3 mm)
5.7 in. (145 mm)
3.1 in. (78.7 mm)
0.8 in. (20.3 mm)
5.7 in. (145 mm)
3.1 in. (78.7 mm)
Weight 0.90 lb (408.2 g) 0.90 lb (408.2 g)
Operating Lifetime >3 hr* >3 hr*
Nominal Open Circuit
Voltage Capacity
Power
14.4 V
3.2 Ahr
43.2 WH
14.4 V
3.6 Ahr
43.2 WH
Temperature Requirements
Operating
Non-operating
Charging
0–50 C
-20–60 C
5–45 C
0–50 C
-20–60 C
5–45 C
Specification
6X DVD 8X DVD CD-RW 24X CD-ROM
Dimensions 128 x 129 x
12.7 mm
128 x 126.1 x
12.7 mm
128 x 129 x
12.7 mm
128 x 129 x
12.7 mm
Weight 280 g 265-270 g 300 g 180-270 g
Rotational Speed Approx.* 1200-4670
rpm
4200 rpm
(CD)
4225-5200
rpm
Sustained Data Transfer
Rate (typical)*
4463-10820
KB/s
2100 KB/s 1545-3600
KB/s
Random Access Time (Avg.) 140 ms 90-100 ms 150 ms 90-180 ms
Spin Up time <15 s 2.0-2.5 s <10 s 2.7-2.8 s
Data Buffer Capacity 512 KB 128 KB 2 MB 128 KB