Specifications

P
RESARIO
N
OTEBOOK
M
AINTENANCE AND
S
ERVICE
G
UIDE
1400 S
ERIES
S
PECIFICATIONS
3
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340,
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
System Interrupts
System Interrupts
Hardware IRQ System Function Hardware IRQ System Function
IRQ0 System Timer IRQ10 SCI IRQ used by
ACPI Bus
IRQ1 Standard 101/102-
key or Microsoft
Natural Keyboard
IRQ11 ACPI IRQ Holder for
PCI IRQ Steering
IRQ2 Programmable
Interrupt Controller
IRQ11 VIA Tech 3038 PCI to
USB Universal Host
Controller
IRQ4 Communications Port
(COM1)
IRQ11 ACPI IRQ Holder for
PCI IRQ Steering
IRQ6 Standard Floppy Disk
Controller
IRQ11 Compaq PCI Modem
Enumerator
IRQ7 Printer Port (LPT1) IRQ12 Synaptics PS/2
TouchPad
IRQ8 System CMOS/Real
Time Clock
IRQ13 Numeric Data
Processor
IRQ9 VIA PCI Audio
Controller
IRQ14 VIA Bus Master PCI
IDE Controller
IRQ9 Texas Instruments
PCI-1211 CardBus
Controller
IRQ14 Primary IDE
Controller (Dual
FIFO)
IRQ9 Trident CyberBlade i1
AGP (51)
IRQ15 VIA Bus Master PCI
IDE Controller
IRQ15 Secondary IDE
Controller (Dual
FIFO)