自己写的SDHC卡驱动测试,用Keil C写,并且用串中调试工具读出指定扇区的内容.本程序在4G 金士顿 SDHC卡上测试.-Write your own test drive of SDHC card with Keil C write, and debug tools with string read out the contents of the specified sector of this program in Kingston 4G SDHC card to test.

read sector of hard disk

操作系统实验题，学会操作linux系统的学习基础，对磁盘和扇区的读写加深理解(Experimental problem of operating system, learn to operate the learning base of Linux system, deepen understanding of read and write of disk and sector)