trouble on the mb acorp 6via/zx85

[Алексей Чугарев]

Hi.
I have a trouble by to install FreeBSD 5.2.1 Release on the
motherboard Acorp 6via/zx85 :(

MB: Acorp 6VIA/ZX85
Chipset: Intel 440ZX PCISet
HDD: Seagate ST340810A

After last dialog window ("Last Chance..."), system write to log:
      READ_DMA retrying LBA=78
      READ_DMA interrupt was seen but timeout fired LBA=78
      READ_DMA status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE>
      LBA=78
      Signal 11 was cought...

      ...and reboot the computer (

After changing the variable "ata_dma" (set hw.ata.ata_dma="0") this
error not view, BUT, after last dialog window system write to log:
      ...
      READ_MUL interrupt was seen but timeout fired LBA=78
      READ_MUL status=59<READY,DSC,ERROR> error=40<UNCORRECTABLE>
      LBA=78
      Signal 11 was cought...

      ...and reboot the computer (

Please, help me to install the system.
Best Regards.