Dell Dimension XPS T___ Manual do Utilizador descarregar pdf (Página 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

IRQ2

Enables IRQ8 through IRQ15

IRQ10

Available

IRQ3

Available

IRQ11

Default PCI IRQ

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

IRQ3 is available provided that no other device in the computer (such as a modem) is using COM2 or COM4.

IRQ9 is available to PCI cards only.

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.

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