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It's a flaky BIOS problem 

Forum: PCMCIA Installation and Configuration Issues
Re: Question: TP390X, 512MB, and PCMCIA (Andrew Newton)
Date: 2000, Feb 09
From: David Hinds <dhinds@pcmcia.sourceforge.org> 

I know what's wrong.  The ThinkPad BIOS configures the CardBus bridge
at address 0x10000000 regardless of how much memory is installed.
This address happens to equal 256MB, so if you've got 512MB installed,
the bridge is configured to sit in the middle of your system memory.

Get the latest (09-Feb-00) beta PCMCIA package from sourceforge.org in 
/pcmcia/NEW, and set:

    CORE_OPTS="cb_mem_base=0x20000000"

in /etc/sysconfig/pcmcia and it should work with 512MB installed.

-- Dave

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Sad: same problem, fixed, but now xircom card wont work

Re: It's a flaky BIOS problem (David Hinds)
Date: 2000, May 25
From: Dan Trevino dantrevino

I had the same problem, same configuration TP390X 2626MOU, w/512MB RAM. Found this fix, and it works great. No more "infinite loop...." messages, apm problems, etc..But, if I make this change, my xircom card no longer works. Commenting out the line and restarting pcmcia enables my card, but I get the same problems (obviously)....any ideas?

1. That doesn't make much sense by David Hinds, 2000, May 25
2. Idea: Actually you only did part of the fix by David Hinds, 2000, May 25
1. Ok: fixed by Dan Trevino, 2000, May 25
It's a flaky BIOS problem

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