Зависает Жесткий

Есть моноблок MSI Crystal 945 http://www.microstar.ru/program/products/slim_pc/slm/pro_slm_detail.php?UID=4622 . Не реже чем раз в 5 минут, он подвисает на минуту, потом снова все работает нормально.
В логах в этот момент:

Apr 23 11:16:40 localhost ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
Apr 23 11:16:40 localhost ata1.00: cmd ca/00:08:07:ce:5e/00:00:00:00:00/e3 tag 0 dma 4096 out
Apr 23 11:16:40 localhost res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Apr 23 11:16:40 localhost ata1.00: status: { DRDY }
Apr 23 11:16:45 localhost ata1: link is slow to respond, please be patient (ready=0)
Apr 23 11:16:50 localhost ata1: device not ready (errno=-16), forcing hardreset
Apr 23 11:16:50 localhost ata1: soft resetting link
Apr 23 11:16:51 localhost ata1.00: configured for UDMA/33
Apr 23 11:16:51 localhost ata1: EH complete
Apr 23 11:16:51 localhost sd 0:0:0:0: [sda] 312581808 512-byte hardware sectors: (160 GB/149 GiB)
Apr 23 11:16:51 localhost sd 0:0:0:0: [sda] Write Protect is off
Apr 23 11:16:51 localhost sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
Apr 23 11:16:51 localhost sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

Вывод lspci:

00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02)
00:02.1 Display controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 01)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 01)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 01)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 01)
00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 01)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01)
00:1f.2 IDE interface: Intel Corporation 82801GB/GR/GH (ICH7 Family) SATA IDE Controller (rev 01)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 01)
01:00.0 Ethernet controller: Intel Corporation 82573L Gigabit Ethernet Controller

Пробовал ставить ядро 2.6.29 не помогло, отключил ACPI, ничего не изменилось. Что делать?