Major Chips Description
2-47
2.3 FDC37C672
The FDC37C672 is a 100-pin enhanced super l/O controller with Fast IR.
2.3.1 Features
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5 Volt Operation
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PC97 Compliant
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ISA Plug and Play Compatible Register Set
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Intelligent Auto Power Management
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Shadowed Write-only Registers for ACPI Compliance
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System Management Interrupt, Watchdog Timer
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2.88MB Super l/O Floppy Disk Controller
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Licensed CMOS 765B Floppy Disk Controller
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Software and Register Compatible with SMC's Proprietary 82077AA Compatible Core
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Supports Two Floppy Drives Directly
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Configurable Open Drain/Push-pull Output Drivers
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Supports Vertical Recording Format
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16yte Data FIFO
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100% IBM2 Compatibility
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Detects All Overrun and Underrun Conditions
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Sophisticated Power Control Circuitry {PCC} Including Multiple Power-down Modes for
Reduced Power Consumption
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DMA Enable Logic
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Data Rate and Drive Control Registers
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480 Address, Up to Eight IRQ and Three DMA Options
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Floppy Disk Available on Parallel Port Pins
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Enhanced Digital Data Separator
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2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Rates
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Programmable Precompensation Modes
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Keyboard Controller
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8042 Software Compatible
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8it Microcomputer
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2k Bytes of Program ROM
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256 Bytes of Data RAM
Summary of Contents for 390 Series
Page 15: ...System Introduction 1 3 Figure 1 2 PCB No 96183 1A Mainboard Layout Bottom ...
Page 96: ...2 50 Service Guide 2 3 3 Pin Configuration Figure 2 4 FDC37C67 TQFP Pin Diagram ...
Page 97: ...Major Chips Description 2 51 Figure 2 5 FDC37C67 QFP Pin Diagram ...
Page 102: ...2 56 Service Guide 2 3 6 Block Diagram Figure 2 6 FDC37C67 Block Diagram ...
Page 126: ...2 80 Service Guide 2 5 4 1 Functional Block Diagram Figure 2 10 M38813 Block Diagram ...
Page 128: ...2 82 Service Guide 2 6 2 Pin Diagram Figure 2 11 YMF715 Block Diagram ...
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