Compaq 305 specifications Specifications, Physical and Environmental

Presario 305 Model

Before You Begin	Specifications	Parts Catalog
Removal Sequence	Troubleshooting	Battery Operations
		Index
Product Description	Pin Assignments

Specifications

This section covers the following specifications of Compaq Presario 305 Model Portable Computers:

Physical and Environmental	System Interrupts	System DMA
System I/O Address	System Memory Catalog	Display
Diskette Drive	Hard Drive	CD Drive
	Battery Pack

Physical and Environmental

	U.S.	Metric
Dimensions
Height	0.89 in	22.6 mm
Depth	8.5 in	216 mm
Width	10.4 in	264 mm
Weight	3.07 - 3.26 lb	1.39 - 1.48 kg
AC Adapter
Operating Voltage	90 to 260 VAC RMS
Operating Current	1.1 A RMS
Operating Frequency Range	47-63 Hz AC
Maximum Transient		4/50 kV
Temperature
Operating	41° to 95 °F	5° to 35 °C
Nonoperating	-22° to 140 °F	-30° to 60 °C
Relative Humidity (noncondensing)
Operating	10 to 90%	10 to 90%
Nonoperating (tw = 38.7°C max)	5 to 90%	5 to 90%
	101.6 °F	38.7 °C
Altitude (nonpressurized environment)
Operating	0 to 10,000 ft	0 to 3.05 km
Nonoperating	0 to 30,000 ft	0 to 9.14 km
Shock
Operating	-10 G, 11 ms, half sine
Non operating	60 G, 2 ms, half sine

Vibration

Operating

Nonoperating

0.25G, 50 to 500 Hz sine, 1/2 Oct/Min sweep rate

1 G, 50 to 500 Hz sine, 1/2 Oct/Min sweep rate

NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures.

	System Interrupts
Hardware IRQ	System Function
IRQ1	Timer Interrupt
IRQ2	Cascaded
IRQ3	PCMCIA
IRQ4	Modem (COM1)
IRQ5	Audio (default)*
IRQ6	Diskette Drive
IRQ7	Parallel
IRQ8	RTC
IRQ9	Infrared
IRQ10	PCMCIA
IRQ12	Internal Point Stick or External Mouse
IRQ13	Coprocessor (Not available to any peripheral)
IRQ14	IDE Interface (Hard Disk)

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 DMA

Hardware System Function

DMA

0

1

Available for audio

Entertainment Audio (Default; Alternate =DMA0, DMA3, None)

2Diskette Drive

3ECP Parallel Port LPT1 (Default;

Alternate =DMA0, None)

4DMA Controller Cascading (Not available)

5

6

7

Available for PC Card

Not assigned Not assigned

NOTE: PC Card controller can use DMA1, 2 or 5.