> Dear All:
> I'm writting a program to test parallel ports' capability using a
> loopback plug. I wrote 'walking 1s' to data & control register, then read
> status register's value to compare with that I wrote. For example, I wrote
> 0x1 0x2 0x4 0x8 0x10 to data and control port, I expected the loopback data
> read from status port would be proper value. But every time there'd be two
> value not fited. After I set SPP mode in CMOS, the result's
> no better, only one error reduced. Can you tell me the reason why? Thanks
> BEST REGARGS
> wangxiangyu
> 20010925.
>
>
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This archive was generated by hypermail 2b29 : Thu Sep 27 2001 - 23:45:19 EDT