8170 N/B MAINTENANCE

---Independent bus master logic for 5 channels (PCM In/Out, Mic Input, Modem In/Out)

---Separate independent PCI functions for Audio and Modem

---Support for up to six channels of PCM audio output (full AC3 decode)

---Supports wake-up events

Interrupt Controller

---Support up to 8 PCI interrupt pins

---Supports PCI 2.2 Message-Based Interrupts

---Two cascaded 82C59

---Integrated I/O APIC capability

---15 interrupts supported in 8259 mode, 24 supported in I/O APIC mode

---Supports Serial Interrupt Protocol

---Supports Front-Side Bus interrupt delivery

1.8 V operation with 3.3 V I/O

---5V tolerant buffers on IDE, PCI, USB Over current and Legacy signals

GPIO

---TTL, Open-Drain, Inversion

Timers Based on 82C54

---System timer, Refresh request, Speaker tone output

Power Management Logic

---ACPI 1.0 compliant

---ACPI Power Management Timer

 

---PCI PME# support

 

---SMI# generation

 

---All registers readable/restorable for proper resume from 0V suspend states

 

---Support for APM-based legacy power management for non-ACPI implementations

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