如下的通讯过程发生在我的计算机和键盘之间 当计算机启动后 我相信嵌三个命令是初始化键盘控制 器 后一条命令 使能 Numlock LED 是由 BIOS发送的 剩下来的命令是由我的 OS Win98SE 发 送的 记住 在我计算机上这么结果是明确的 但是它指示给你一个一般性的概念告诉你启动时发生了 什么
Keyboard: AA Self-test passed ;Keyboard controller init Host: ED Set/Reset Status Indicators Keyboard: FA Acknowledge Host: 00 Turn off all LEDs Keyboard: FA Acknowledge Host: F2 Read ID Keyboard: FA Acknowledge Keyboard: AB First byte of ID Host: ED Set/Reset Status Indicators ;BIOS init Keyboard: FA Acknowledge Host: 02 Turn on Num Lock LED Keyboard: FA Acknowledge Host: F3 Set Typematic Rate/Delay ;Windows init Keyboard: FA Acknowledge Host: 20 500 ms / 30.0 reports/sec Keyboard: FA Acknowledge Host: F4 Enable Keyboard: FA Acknowledge Host: F3 Set Typematic Rate/delay Keyboard: FA Acknowledge Host: 00 250 ms / 30.0 reports/sec Keyboard: FA Acknowledge
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