采用FPGA实现了两套IDE接口功能，设计支持PIO和Ultra DMA传输模式，文章侧重于介绍用FPGA实现IDE接口协议的具体方法。-a card used to control ide hardware base FPGA

M1543: Desktop South Bridge The M1543 is a bridge between PCI and ISA bus, providing full PCI and ISA compatible functions. The M1543 has Integrated Super I/O( Floppy Disk Controller, 2 serial ports/1 parallel port ), System Peripherals (ISP) (2

M1533: PCI-to-ISA Bus Bridge The M1533 is a bridge between PCI and ISA bus, providing full PCI and ISA compatible functions. The M1533 has Integrated System Peripherals (ISP) (2 x 82C59 and Serial interrupt, 1 x 82C54), advanced features (Type F