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Acer 390 Series Service Manual Page 94

Notebook computer.
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Four Open Drain Outputs Dedicated for Keyboard/Mouse Interface
Asynchronous Access to Two Data Registers and One Status Register
Supports Interrupt and Polling Access
8it Counter Timer
Port 92 Support
8042 P12 and P16 Outputs
Serial Ports
Two Full Function Serial Ports
High Speed NS16C550 Compatible UARTs with Send/Receive 16yte FlFOs
Supports 230k and 460k Baud Programmable Baud Rate Generator Modem Control
Circuitry
480 Address and Eight IRQ Options
Infrared Port
Multiprotocol Infrared Interface
128yte Data FIFO
IrDA 1.1 Compliant
TEMIC/HP Module Support * Consumer IR
SHARP ASK IR
480 Address, Up to Eight IRQ and Three DMA Options
Multi-mode
Parallel Port with ChiProtect
Standard Mode IBM PC/XT PC/AT , and PS/2 ^ Compatible Bidirectional Parallel Port
Enhanced Parallel Port {EPP) Compatible EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant)
IEEE 1284 Compliant Enhanced Capabilities Port (ECP)
ChiProtect Circuitry for Protection Against Damage Due to Printer Power-on
480 Address, Up to Eight IRC1 and Three DMA Options
ISA Host Interface
16it Address Qualification
8it Data Bus * IOCHRDY for ECP and Fast IR
Three 8it DMA Channels
Eight Direct Parallel IRQs and Serial IRQ Option Compatible with Serialized IRQ Support
for PCI Systems
100 Pin OFP and TQFP Package
2-48
Service Guide

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