[LinuxBIOS] Asus smbus mux

RusH citizenr at gmail.com
Mon Apr 2 02:22:54 CEST 2007


On 4/1/07, koko <citizenr at gmail.com> wrote:

rasz at capek:~$ sudo isadump -f 0xe440 16
0 1 2 3 4 5 6 7 8 9 a b c d e f
e440: 10 00 00 00 71 00 00 00 fd 02 c0 00 ff f6 ff 0f
rasz at capek:~$ sudo i2cdetect -y 0 |grep 50
50: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX

bit 0 0xe44d
rasz at capek:~$ sudo isaset -y -f 0xe44d 0xf7
rasz at capek:~$ sudo i2cdetect -y 0 |grep 50
50: 50 51 52 XX XX XX XX XX XX XX XX XX XX XX XX XX

spd works :)
Big thanks to Tamas MIKLOS (Lavalys) and Franck at x86 (x86-secret)

Tamas MIKLOS send me the asus mux code. There are 5 hacks with smbus
mux switch on IO, and 3 with smbus mux switch on smbus (lol thats
funny), it covers 31 types of asus boards (plus many more subtypes).
Oldest board is P3B, newest P4B.

-- 
Who logs in to gdm? Not I, said the duck.




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