Dell DimensionL Series, Reference

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IRQ Assignments
Default Dell-Installed Expansion Card Placement
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Storage –40° to 65°C (–40° to 149°F)
Relative humidity 20% to 80% (noncondensing)
Maximum vibration
Operating 0.25 G at 3 to 200 Hz at 1/2 octave/min
Storage 0.5 G at 3 to 200 Hz at 1/2 octave/min
Maximum shock
Operating bottom half-sine pulse with a change in velocity of 50.8 cm/sec (20 inches/sec)
Storage 27-G faired-square wave with a velocity change of 508 cm/sec (200 inches/sec)
Altitude
Operating
– 15.2 to 3048 m ( – 50 to 10,000 ft)
3
Storage – 15.2 to 10,668 m ( – 50 to 35,000 ft)
3
At 35°C (95°F), the maximum operating altitude is 914 m (3000 ft).
Regulatory Notices
FCC (U.S. only) Class B
IC Notice (Canada only) Class B
CE Notice Class B
VCCI Notice (Japan only) Class B
NOM O24 Information (Mexico only)
IRQ Line System Resource IRQ Line System Resource
IRQ0 System timer IRQ8 RTC
IRQ1 Keyboard buffer IRQ9 Available
IRQ2 Enables IRQ8 through IRQ15 IRQ10 Available
IRQ3
Available
4 IRQ11 Available
IRQ4 Serial port IRQ12 Mouse port
IRQ5 Available IRQ13 Math coprocessor
IRQ6 Diskette/tape drive controller IRQ14 Primary EIDE channel
IRQ7 Parallel port IRQ15 Secondary EIDE channel
4
IRQ3 is available provided that no other device in the computer (such as a modem) is using COM2 or COM4.
Expansion-Card Slot Expansion Card
PCI Slot 1 Open
PCI Slot 2 Audio
PCI Slot 3 NIC
PCI Slot 4 Modem