Specifications; Portable Computers; Diskette Drive - Compaq Presario 305 Maintenance And Service Manual

Before You Begin
Removal Sequence
Product Description

Specifications

This section covers the following specifications of Compaq Presario 305 Model

Portable Computers:

Physical and Environmental
System I/O Address

Diskette Drive

Dimensions
Height
Depth
Width
Weight
AC Adapter
Operating Voltage
Operating Current
Operating Frequency Range
Maximum Transient
Temperature
Operating
Nonoperating
Relative Humidity (noncondensing)
Operating
Nonoperating (tw = 38.7°C max)
Altitude (nonpressurized environment)
Operating
Nonoperating
Shock
Operating
Non operating
Vibration
Operating
Nonoperating
NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The
computer operates well within this range of temperatures.
Hardware IRQ
IRQ10
IRQ12
IRQ13
IRQ14
NOTES:
PCMCIA cards may assert IRQ3,IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11,
or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4.
*Default configuration; audio possible configurations are: IRQ5, IRQ7,
IRQ9, IRQ10 or none.
System Interrupts
System Memory Catalog
Hard Drive
Battery Pack
Physical and Environmental
IRQ1 Timer Interrupt
IRQ2 Cascaded
IRQ3 PCMCIA
IRQ4 Modem (COM1)
IRQ5 Audio (default)*
IRQ6 Diskette Drive
IRQ7 Parallel
IRQ8 RTC
IRQ9 Infrared
PCMCIA
Internal Point Stick or External Mouse
Coprocessor (Not available to any peripheral)
IDE Interface (Hard Disk)
Hardware System Function
DMA
0 Available for audio
1 Entertainment Audio (Default;
Alternate =DMA0, DMA3, None)
2 Diskette Drive
3
ECP Parallel Port LPT1
Alternate =DMA0, None)
4 DMA Controller Cascading (Not
available)
Available for PC Card
5
6 Not assigned
7 Not assigned
NOTE: PC Card controller can use DMA1, 2 or 5.
Presario 305 Model
Specifications
Troubleshooting
Pin Assignments
U.S.
0.25 G, 50 to 500 Hz sine, 1/2 Oct/Min
sweep rate
1 G, 50 to 500 Hz sine, 1/2 Oct/Min
sweep rate
System Interrupts
System Function
System DMA
(Default;
Parts Catalog
Battery Operations
System DMA
Display
CD Drive
Metric
0.89 in
8.5 in
10.4 in
3.07 - 3.26 lb
90 to 260 VAC RMS
1.1 A RMS
47-63 Hz AC
4/50 kV
41° to 95 °F
-22° to 140 °F
10 to 90%
5 to 90%
101.6 °F
0 to 10,000 ft
0 to 30,000 ft
-10 G, 11 ms, half sine
60 G, 2 ms, half sine
Index
22.6 mm
216 mm
264 mm
1.39 - 1.48 kg
5° to 35 °C
-30° to 60 °C
10 to 90%
5 to 90%
38.7 °C
0 to 3.05 km
0 to 9.14 km