You have to map 0xB0000 - 0xC0000 for that.

Egbert.


Rishabh Kumar Goel writes:
 > ----------  Forwarded Message  ----------
 > 
 > Subject: 69030 driver
 > Date: Thursday 11 Sep 2003 4:21 pm
 > From: Rishabh Kumar Goel <[EMAIL PROTECTED]>
 > To: [EMAIL PROTECTED]
 > 
 > i m trying to write a MDA driver for C&T's 69030 chip. The PCI card is memory
 > mapped. starting from 0x0800000 with the memory size requirement of 16MB.
 > 
 > How to access the Character Buffer of MDA  which lies in the lower address
 >  map of 0xB000-0xB7FF ?
 > I m able to read and write to the registers.
 > 
 > I tried writing the a word of data(0xaa55) at 0x0800a0000 but on reading it
 > back i got 0xFFFF.
 > 
 > What is this problem? am i reading the memory properly.....
 > Please help.
 > 
 > 
 > --
 > Regards,
 > Rishabh Kumar Goel
 > Associate Software Engineer
 > SoCrates Software India Pvt. Ltd.
 > Bangalore
 > 
 > -------------------------------------------------------
 > 
 > -- 
 > Regards,
 > Rishabh Kumar Goel
 > Associate Software Engineer
 > SoCrates Software India Pvt. Ltd.
 > Bangalore
 > 
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