cpufreq и Core 2 duo - проблема

Никак не удается включить управление частотой Core 2 duo на Asus P5B. Не появляется /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor !?

kop an # uname -a
Linux kop.success.bzn 2.6.23-gentoo-r6 #5 SMP Sun Feb 10 20:31:13 Local time zone must be set--see zic i686 Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz GenuineIntel GNU/Linux

kop an # lspci
00:00.0 Host bridge: Intel Corporation 82P965/G965 Memory Controller Hub (rev 02)
00:01.0 PCI bridge: Intel Corporation 82P965/G965 PCI Express Root Port (rev 02)
........скипнуто.................
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02)
00:1c.3 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 4 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 (rev 02)
........скипнуто.................
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev f2)
00:1f.0 ISA bridge: Intel Corporation 82801HB/HR (ICH8/R) LPC Interface Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation 82801HB (ICH8) 4 port SATA AHCI Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02)
01:00.0 VGA compatible controller: nVidia Corporation G70 [GeForce 7600 GS] (rev a1)
02:00.0 SATA controller: JMicron Technologies, Inc. JMicron 20360/20363 AHCI Controller (rev 02)
02:00.1 IDE interface: JMicron Technologies, Inc. JMicron 20360/20363 AHCI Controller (rev 02)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01)
05:00.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)
05:02.0 Multimedia controller: Philips Semiconductors SAA7134/SAA7135HL Video Broadcast Decoder (rev 01)

kop an # cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz
stepping : 2
cpu MHz : 2240.012
cache size : 2048 KB
physical id : 0
siblings : 2
........скипнуто.................

kop an # zgrep ACPI /proc/config.gz
# Power management options (ACPI, APM)
CONFIG_ACPI=y
CONFIG_ACPI_SLEEP=y
CONFIG_ACPI_PROCFS=y
CONFIG_ACPI_PROC_EVENT=y
CONFIG_ACPI_AC=m
CONFIG_ACPI_BATTERY=m
CONFIG_ACPI_BUTTON=y
CONFIG_ACPI_VIDEO=m
CONFIG_ACPI_FAN=y
# CONFIG_ACPI_DOCK is not set
CONFIG_ACPI_PROCESSOR=y
CONFIG_ACPI_HOTPLUG_CPU=y
# CONFIG_ACPI_THERMAL is not set
# CONFIG_ACPI_ASUS is not set
# CONFIG_ACPI_TOSHIBA is not set
CONFIG_ACPI_BLACKLIST_YEAR=0
# CONFIG_ACPI_DEBUG is not set
CONFIG_ACPI_EC=y
CONFIG_ACPI_POWER=y
CONFIG_ACPI_SYSTEM=y
CONFIG_ACPI_CONTAINER=y
# CONFIG_ACPI_SBS is not set
CONFIG_X86_ACPI_CPUFREQ=y
CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y
CONFIG_PNPACPI=y
CONFIG_ATA_ACPI=y

kop an # zgrep FREQ /proc/config.gz
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
CONFIG_CPU_FREQ_DEBUG=y
CONFIG_CPU_FREQ_STAT=y
CONFIG_CPU_FREQ_STAT_DETAILS=y
CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=m
CONFIG_CPU_FREQ_GOV_USERSPACE=m
CONFIG_CPU_FREQ_GOV_ONDEMAND=m
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
CONFIG_X86_ACPI_CPUFREQ=y
# CONFIG_X86_CPUFREQ_NFORCE2 is not set
CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y

kop an # modprobe speedstep-centrino
FATAL: Error inserting speedstep_centrino (/lib/modules/2.6.23-gentoo-r6/kernel/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.ko): No such device

То же и с speedstep-ich

kop an # ls -l /sys/devices/system/cpu/cpu*
/sys/devices/system/cpu/cpu0:
итого 0
drwxr-xr-x 5 root root 0 Фев 13 02:42 cache
drwxr-xr-x 2 root root 0 Фев 13 02:42 topology

/sys/devices/system/cpu/cpu1:
итого 0
drwxr-xr-x 5 root root 0 Фев 13 02:42 cache
-rw-r--r-- 1 root root 4096 Фев 13 02:42 online
drwxr-xr-x 2 root root 0 Фев 13 02:42 topology

Подгружаю модуль - он есть:

kop an # lsmod | grep freq
cpufreq_powersave 2048 0

kop an # file /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor: cannot open `/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor' (No such file or directory)

kop an # cpufreq-info
cpufrequtils 002: cpufreq-info (C) Dominik Brodowski 2004-2006
Report errors and bugs to

, please.
analyzing CPU 0:
no or unknown cpufreq driver is active on this CPU
analyzing CPU 1:
no or unknown cpufreq driver is active on this CPU

ACPI 2.0 в биосе даже выключать пробовал - ничего.

PowerTOP version 1.9 ничего о P-states не пишет...

Подскажите, что не так делаю?