On Mon, Oct 25, 2010 at 4:56 AM, Mikle Krutov <nekoexmachina@gmail.com> wrote:
quoted text
> The fn-key for disabling it does not work (in fact, no fn-keys are working, except for sound and brightness-keys)

Fn Key works for me.

% dmesg | head
OpenBSD 4.8-current (GENERIC.MP) #478: Tue Oct 19 13:14:29 MDT 2010
    deraadt@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP
RTC BIOS diagnostic error 80<clock_battery>
cpu0: Intel(R) Atom(TM) CPU N270 @ 1.60GHz ("GenuineIntel" 686-class) 1.87 GHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,EST,TM2,SSSE3,xTPR,PDCM,MOVBE
real mem  = 1060163584 (1011MB)
avail mem = 1032798208 (984MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 10/06/08, SMBIOS rev. 2.4 @
0xe91c0 (31 entries)
bios0: vendor Acer version "v0.3110" date 10/06/2008

-- 
Dmitrij D. Czarkoff