9
With each new release of Windows, additional USB device classes have become supported by the operating
system.
IEEE 1394
98SE ME NT4 2000 XP
OS OS - OS OS
Generic device class support included with the operating system is used for IEEE 1394 host controllers.
With each new release of Windows, additional IEEE 1394 device classes (e.g. digital video camera or optical
drives) have become supported by the operating system.
Bluetooth
98SE ME NT4 2000 XP
HP HP - HP HP
Generic device class support included with the operating system Bluetooth devices.
With each new release of Windows, additional Bluetooth device classes have become supported by the operating
system.
Interrupt controller support
98SE Me NT4 2000 XP
APIC - - Yes Yes Yes
PIC Yes Yes Yes Yes Yes
• APIC supports more interrupt lines so it is more likely a device will have its own interrupt line.
• If PIC support is used instead, PCI devices typically will share interrupts.
• All 2004 HP Compaq Business Desktop Computers with the Intel 915 Chipset include support for APIC.
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