Compaq EP Series manual Interrupts, Hardware IRQ System Function

System Specifications, continued

	Power, Supply, 200 Watt (Intel 810/810e)
	Operating Voltage Range		90-132 VAC	180-264 VAC
	Rated Voltage Range		100-127 VAC	200-240 VAC
	Rated Line Frequency		47-63 Hz	47-63 Hz
	Rated input current (maximum)		6 A	3 A
	Heat dissipation, nominal		525 BTU/Hr	2.21 kg-cal/min
	Heat dissipation, maximum		1050 BTU/Hr	4.41 kg-cal/min
	Environmental Requirements:
	Temperature		50 to 95°F	10 to 35°C
	Operating
	Shipping		-4°to 140°F	-20°to 60°C
	Humidity (noncondensing)
	Operating		20% to 80%	20% to 80%
	Nonoperating		10% to 90%	10% to 90%
	Maximum Altitude (unpressurized)
	Operating		10,000 ft	3048 m
	Nonoperating		30,000 ft	9144 m
6.1.2	Interrupts
	Hardware IRQ	System Function
	IRQ 0	Timer Interrupt (Not on ISA Bus)
	IRQ 1	Keyboard (Not on ISA Bus)
	IRQ 2	Interrupt Controller Cascade (Not on ISA Bus)
	IRQ 3	Unused
	IRQ 4	Serial Port (COM 1)
	IRQ 5	Audio (alternate = IRQ 7, 9, 10, 11, or 12)
	IRQ 6	Diskette Drive
	IRQ 7	Parallel Port (LPT 1)
	IRQ 8	Real-Time Clock (Not on ISA Bus)
	IRQ 9	Unused
	IRQ 10	Unused
	IRQ 11	PCI Interrupt
	IRQ 12	Mouse
	IRQ 13	Coprocessor (Not on ISA Bus)
	IRQ 14	IDE Interface Hard Drive
	IRQ 15	CD-ROM

6-2 Specifications