键盘通讯测试工具软件，兼容各种键盘，USB ps2不限。-keyboard test program, you can use it to test all kinds of keyboard,include USB or PS2.

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

CY7C63723_USB_Mouse 利用芯片 设计的USB/PS2鼠标的汇编代码(Overview ; On power up, the firmware starts executing code at address 0h. ; After some housekeeping tasks it will determine whether it is attached to ; a USB or a PS2 interface. From that, it will