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Date: Sun, 13 Jun 2004 22:07:43 +0200
From: Vojtech Pavlik <vojtech@suse.cz>
To: Tisheng Chen <tishengchen@yahoo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Solution to the "1802: Unauthorized network card" problem in recent thinkpad systems
Message-ID: <20040613200743.GA1251@ucw.cz>
References: <20040613112051.GA1416@ucw.cz> <20040613191029.85026.qmail@web90108.mail.scd.yahoo.com>
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On Sun, Jun 13, 2004 at 12:10:29PM -0700, Tisheng Chen wrote:

> Somebody did succeed with a X31. 
> As I know, it should works for T30,R40,X31,R40E at
> least.

Indeed, this version:

#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>

int main(void)
{
	int fd;
	unsigned char data;

	printf("Disabling WiFi whitelist check.\n");
	fd = open("/dev/nvram", O_RDWR);
	lseek(fd, 0x5c, SEEK_SET);
	read(fd, &data, 1);
	printf("CMOS address 0x5c: %02x->", data);
	data |= 0x80;
	printf("%02x\n", data);
	lseek(fd, 0x5c, SEEK_SET);
	write(fd, &data, 1);
	close(fd);
	printf("Done.\n");
}

worked just fine, and the notebook no longer complains about an
unsupported WiFi card! Now if I only can get the card to enable the
transmitter/receiver. It's a Compaq Atheros card inside an X31 notebook.

-- 
Vojtech Pavlik
SuSE Labs, SuSE CR