Fdc37C672; Features - Acer 390 Series Service Manual

2.3

FDC37C672

The FDC37C672 is a 100-pin enhanced super l/O controller with Fast IR.
2.3.1

Features

5 Volt Operation
PC97 Compliant
ISA Plug and Play Compatible Register Set
Intelligent Auto Power Management
Shadowed Write-only Registers for ACPI Compliance
System Management Interrupt, Watchdog Timer
2.88MB Super l/O Floppy Disk Controller
Licensed CMOS 765B Floppy Disk Controller
Software and Register Compatible with SMC's Proprietary 82077AA Compatible Core
Supports Two Floppy Drives Directly
Configurable Open Drain/Push-pull Output Drivers
Supports Vertical Recording Format
16yte Data FIFO
100% IBM2 Compatibility
Detects All Overrun and Underrun Conditions
Sophisticated Power Control Circuitry {PCC} Including Multiple Power-down Modes for
Reduced Power Consumption
DMA Enable Logic
Data Rate and Drive Control Registers
480 Address, Up to Eight IRQ and Three DMA Options
Floppy Disk Available on Parallel Port Pins
Enhanced Digital Data Separator
2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Rates
Programmable Precompensation Modes
Keyboard Controller
8042 Software Compatible
8it Microcomputer
2k Bytes of Program ROM
256 Bytes of Data RAM
Major Chips Description 2-47