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1 Hardware Overview 1.2 System Unit
• Intelligent Auto Power Management
• 2.88MB Super I/O Floppy Disk Controller
• Floppy Disk Available on Parallel Port Pins (ACPI Compliant)
• Enhanced Digital Data Separator
• 2 Mbps, 1Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Rates
• Programmable Precompensation Modes
• Two Full Function Serial Ports
• High Speed NS 16C550 Compatible UARTs with Send/Receive 16-Byte FIFOs
• Supports 230k and 460k Baud
• Programmable Baud Rate Generator
• Modem Control Circuitry
• Infrared Communications Controller
• IrDA v1.2 (4Mbps), HPSIR, ASKIR, Consumer IR Support
• 2 IR Ports
• 96 Base I/O Address, 15 IRQ Options and 3 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
• 192 Base I/O Address, 15 IRQ and 3 DMA Options
KBC/EC (Keyboard Controller/Embedded Controller)
• PC87591 is use as keyboard controller and battery management unit
Audio subsystem
Realtek ALC202 for AC97 codec
• AC97 2.2 Compatible.
• Industry Leading Mixed Signal Technology.
• 20-bit Stereo Digital-to-Analog Converters.
• 18-bit Stereo Analog-to- Digital Converters.
• Sample Rate Converters.
• Four Analog Line-level Stereo Inputs for LIN_IN, CD, VIDEO, and AUX.
• Two Analog Line-level Mono Inputs for Modem and Internal PC Beep.
• Dual Stereo Line-level Outputs for LINE_OUT and ALT_LINE _OUT.
• Dual Microphone Inputs.
• High Quality Differential CD Input.
• Extensive Power Management Support.
• Meets or Exceeds the Microsoft® PC 99 Audio & WLP2.0 audio Requirements.
• S/PDIF Digital Audio Output.
1-6 Satellite A30 Series Maintenance Manual