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Linux on 755CX



Hi all,

I recently posted about my success in getting Linux & X running in 
800x600 mode on the TP755 - I also ran in to the same problem Ivar 
mentioned.  I had to patch the kernel init source to get Linux to 
recognize 37 lines in text mode (it figured out the 100 columns 
correctly).  Now everything works correctly, *except* I get about 1/2 
line of garbage text at the bottom of the screen.  Looks like about 8 
scan lines high.  Apparently there must be some additional tweaking of 
the 90C24 that is necessary.  I'm waiting for the Western Digital data 
book...  The real reason for posting this message, however, is that I 
discovered how to get the MWave soundblaster emulation and modem 
functions working under Linux!  Since I need to boot DOS first to enable 
800x600 mode via the PS2 command, I tried running the 'MWGAMES ON' (for 
soundblaster) and 'MWMODEM ON' (for modem) commands before launching 
Linux, and they work!  Forgive me if this is common knowledge, but I 
couldn't find references to anyone else using the ThinkPad's DSP chip 
under Linux, so I thought I'd share my experiences...

Jim Lee
jlee@ece.orst.edu