[Open-graphics] A really good immediate use for OGD1: PCI bus analyzer

[Daniel Rozsnyó]

>> Or...  assuming the case that the board under test locked up the machine,
>> would it be possible to protect this RAM from being cleared on reboot,
>> and then upload it to the test computer via PCI?
> 
> Egad.  We can supply external power, but I'm not sure if that would
> send power to the host computer when it's off, causing trouble.

In every ATX system is an 5VSB line (SB = stand by) which is always on.
Usually used for wake on LAN, but its also used to keep the content of
memories in a ramdisk device ( google Gigabyte iRAM -
http://techreport.com/reviews/2006q1/gigabyte-iram/index.x?pg=1 ).