[[!color  foreground=#ff0000 text="ATTENTION! If you have the same issue described here, update your BIOS. Updating from 0802 to 1006 fixed this issue."]]

BIOS can be found [here](http://update.eeepc.asus.com/bios/), and a helpful guide for updating at [this blog post](http://www.blakeanthonyjohnson.com/?p=170).

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The model number is EEEPC900-W047.

The machine hangs after this line on boot:

    atapci0: <Intel ICH6M SATA150 controller> port 0xffa0-0xffaf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.2 on pci0
    ata0: <ATA channel 0> on atapci0

Verbose output:

    atapci0.pci0.pcib0.legacy0.nexus0.root0
    atapci0: <Intel ICH6M SATA150 controller> [tentative] port 0xffa0-0xffaf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.2 on pci0
    atapci0: Reserved 0x10 bytes for rid 0x20 type 4 at 0xffa0
    ata0.atapci0.pci0.pcib0.legacy0.nexus0.root0
    ata0: <ATA channel 0> [tentative] on atapci0
    atapci0: Reserved 0x8 bytes for rid 0x10 type 4 at 0x1f0
    atapci0: Reserved 0x1 bytes for rid 0x14 type 4 at 0x3f6
    ata0: reset tp1 mask=03 ostat0=7f ostat1=7f

Tested on DragonFly 2.3-dev, 2.4.1, and 2.5-dev, 2.6.2 and 2.8.2.