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United States January 2, 2003
Presario 305 Model
Before You Begin Specifications Parts Catalog
Removal Sequence Troubleshooting Battery Operations
Product Description Pin Assignments
Index
Specifications (continued)
CD drive
Physical and environmental System Interrupts System DMA
System I/O Address System Memory Catalog Display
Diskette drive Hard drive
Battery pack
Diskette Drive
Diskette Size
3.5 inch
Light
On drive
Height
0.55 in (1.40 cm)
Bytes per Sector
512
Sectors per Track
High Density
Low Density
18 (1.44 MB)/15
(1.2MB)
9
Tracks per Side
High Density
Low Density
80 (1.44 MB)/80
(1.2MB)
80
Read/Write Heads
2
Access Times
Track-to-Track (high/low)
Average (high/low)
Settling Time
Latency Average
3 ms/6 ms
94 ms/174 ms
15 ms
100 ms
Energy
Voltage
Amp-hour capacity
Watt-hour capacity
14.4 V
2.8 Ah
27 Wh
Temperature
Operating
Non-operating
41 to 95°F/5 to 35 °C
-22 to 140°F/-30 to 60
°C
Hard Drive
4.3 GB
Formatted Capacity per Drive (GB)
4.3 GB
2
Logical Configuration
Cylinders
Heads
Sectors per track
Bytes per sector
8955
4
N/A
512
Typical Seek Times, ms
(including settling)
Single track
Average
Full stroke
Rotational speed
N/A
4 ms
13 ms (read)
23 ms
4,009 rpm
Transfer Rate
33.3 MB/s
Operating Temperature
41 to 131°F/5 to 55 °C
DVD Drive
Applicable
Disc
CD-ROM (Mode 1, 2, and 3)
CD-XA ready (Mode 2, Form 1 and Form 2)
CD-I ready (Mode 2, Form 1 and Form 2)
CD-R (ready only)
CD Plus
Photo CD (single/multisession)
CD Extra
Video CD
CD-WO (fixed packets only)
CD-Bridge
Center Hole
Diameter
.59 in/15 mm
Disc
Diameter
12 cm, 8 cm
Disc
Thickness
1.2 mm
Track Pitch
1.6 um
Capacity
Mode 1, 12
Mode 2, 12 cm
8 cm
550 MB
640 MB
180 MB
Laser
Beam Divergence
Output Power
Type
Wave Length
53.5 ±
">1.5 degrees
0.24 ± 0.1 mw
Semiconducter Laser GaA1As
780 nm ±
25 nm
Access Time
Random
Full Stroke
< 150 ms
< 300 ms
Audio Output
Level
Line out
Headphone
0.7 V rms
none
Cache Buffer
128 KB
Data
Transfer
Rate
(Sustained)
24x
Variable
Normal PIO Mode 4 (single
burst)
Startup time
Stop time
150 KB/sec
1500 to 3600 KB/sec
16.6 MB/sec
< 8.3 seconds
< 4.0 seconds
Lithium Ion (Li Ion) Battery Pack
Dimensions U.S. Metric
Height
Length
0.9 in
10.47 in
2.3 cm
26.6 cm
Weight
0.48 lb 0.21 kg
Cells
4 Li-Ion
Energy
Voltage
Amp-hour capacity
Watt-hour capacity
14.4 V
2.8 Ah
27 Wh
Environmental Requirements
Operating Temperature
Non-operating Temperature
41° to 95° F
-22° to 140° F
5° to 35° C
-30° to 60° C
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