Lpc Super I/O: Ite8712F; Ac'97 Audio Codec Alc883 - Acer Aspire E650 Service Manual

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LPC Super I/O: ITE8712F

Item
Feature

AC'97 Audio Codec ALC883

Item
Feature
16
Specification
LPC I/F:
Compliant with Intel LPC interface
specification V1.0
LDRQ# (LPC DMA), SERIRQ (Serial IRQ)
protocol support
PCI PME# interface support
ACPI & LANDesk compliant:
ACPI V1.0 compliant
Enhanced hardware monitor:
CPU thermal sense and system sense support
Seven external voltage detect inputs
One chassis open detection input
Two smart fan control system support
Three fan speed sense support
Two 16C550 UART:
Two standard serial ports support
IRDA 1.0/ASKIR protocol support
IEEE 1284 parallel port:
Bi-directional SPP compliant
Enhanced Mode-EPP V1.7 and V1.9
compliant
High speed Mode-ECP, IEEE 1284 compliant
Floppy disk controller
Two 360K / 720K / 1.2M / 1.44M / 2.88M
floppy disk drive support
Automatic write protection via software
support
Keyboard controller:
8042 compliance for PS/2 keyboard and
mouse
Gate A20 and keyboard reset output
Description
High performance DACs with 95Db S/N ratio
Meets performance requirements for audio on
PC2001 systems
Eight channels of DAC support 16/20/24bit PCM
format for 7.1 audio solution
48-pin LQFP package
Chapter 1

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