Dell Dimension XPS T___ - Manual (Page 32)

IRQ Assignments
Default Dell-Installed Expansion Card Placement
Table 1 provides the default Dell-installed expansion card placements if a system is ordered with a TV tuner card. Table 2 provides the default
Dell-installed expansion card placements if a system is ordered without a TV tuner card.
Table 1. Default Dell-Installed Expansion Card Placements for Systems with Optional TV Tuner Card or SwapBox
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 left side (for mini tower orientation) and bottom half-sine pulse with a change in
velocity of 50.8 cm (20 inches)/sec
Storage 23-G faired-square wave with a velocity change of 508.0 cm (200 inches)/sec
Altitude:
Operating –16 to 3048 m* (–50 to 10,000 ft)
Storage –16 to 10,600 m (–50 to 35,000 ft)
* 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
2
IRQ2 Enables IRQ8 through IRQ15 IRQ10 Available
IRQ3 Available 1 IRQ11 Default PCI IRQ 3
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
1
IRQ3 is available provided that no other device in the computer (such as a modem) is using COM2 or COM4.
2 IRQ9 is available to PCI cards only.
3
The PCI IRQ is assigned to an available IRQ line after an ISA expansion card has been configured. If an ISA expansion card is configured
for IRQ11, the PCI IRQ is assigned to another available IRQ line.