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8355 N/B MAINTENANCE
8355 N/B MAINTENANCE
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f) Notebook-class power management functionality compliant with ACPI and legacy APM requirements. Multiple
sleep states (power-on suspend, suspend-to-DRAM, and suspend-to-Disk) are supported with hardware automatic
wake-up. Additional functionality includes event monitoring, CPU clock throttling and stop (Intel processor
protocol), PCI bus clock stop control, modular power, clock and leakage control, hardware-based and software-
based event handling, general purpose I/O, chip select and external SMI.
g) Full System Management Bus (SMBus) interface.
h) Integrated bus-mastering dual full-duplex direct-sound AC97-link-compatible sound system.
i) Plug and Play controller that allows complete steerability of all PCI interrupts and internal interrupts / DMA
channels to any interrupt channel. One additional steerable interrupt channel is provided to allow plug and play and
reconfigurability of onboard peripherals for Windows family compliance. The VT8235 also enhances the
functionality of the standard ISA peripherals. The integrated interrupt controller supports both edge and level
triggered interrupts channel by channel. The integrated DMA controller supports type F DMA in addition to
standard ISA DMA modes. Compliant with the PCI-2.2 specification, the VT8235 supports delayed transactions
and remote power management so that slower ISA peripherals do not block the traffic of the PCI bus. Special
circuitry is built in to allow concurrent operation without causing dead lock even in a PCI-to-PCI bridge
environment. The chip also includes eight levels (doublewords) of line buffers from the PCI bus to the ISA bus to
further enhance overall system performance.