Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide
Operating Voltage
Operating Current
Operating Frequency
Maximum Transient
100-240 V
0.8/0.4 A RMS
47-63 Hz (meets IEC 801-4 and
IEC801-5)
1kV for 50 ns
Temperature
Operating
Nonoperating
50° to 95 °F
-4° to 140 °F
10° to 35 °C
-20° to 60 °C
Relative Humidity (noncondensing)
Operating
Nonoperating (tw = 38.7°C max)
10 to 90%
5 to 95%
10 to 90%
5 to 95%
Altitude
Operating
Nonoperating
0 to 10,000 ft
0 to 30,000 ft
0 to 3.15 km
0 to 9.14 km
Shock
Operating
Non operating
10 G, 11 ms, half sine
240 G, 2 ms, half sine
Vibration
Operating
Nonoperating
0.5 G
1.5 G
NOTE:
Applicable product safety standards specify thermal limits for plastic surfaces.
Compaq Presario 1660 Model Portable Computers operate well within this range of
temperatures.
System Interrupts
System Interrupts
Hardware IRQ
System Function
IRQ0
System Timer
IRQ1
Standard 101/102-Key or Microsoft Natural
Keyboard
IRQ2
Programmable interrupt controller
IRQ3
Compaq Presario 56K-DF
IRQ4
Communications Port (COM1)
IRQ5
NeoMagic MagicWave 3DX Sound System
IRQ6
Standard Floppy Disk Controller
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