[Gb-ccb] Single board computers with USB 2.0.

[John Ford]

Martin Shepherd writes:

 > 
 > On Thu, 19 Feb 2004, John Ford wrote:
 > > This is not really a problem, as we have to use RFI connectors on
 > > there anyway.
 > 
 > I'm missing something here. Are you thinking of putting the computer
 > in its own box? I was assuming that in Randy's new configuration, this
 > box would be dropped, since the analog boards are already hidden from
 > it within 2 nested shielded boxes.

The computer must be shielded by something.  It can't live in the
receiver room without shielding.

 > 
 > > http://www.mycomp.com.tw/Products/embedded/EB5-240.htm is another
 > > one.  It has 4 usb 4.0 ports, 4 serial ports, Ethernet, etc.  It also
 > > has the VIA low-power cpu.
 > 
 > The problem with this board, and the other 5.25" form-factor boards
 > that you mentioned is that this form factor actually measures 8" x
 > 5.74", which I thought would be too large.

This is not too large.

 > Plus they tend to have
 > rather high power consumptions, and would thus not only require bigger
 > power-supplies, but also better cooling. For this particular board,
 > the data-sheet doesn't say anything more about the power requirements
 > than that it needs an ATX power supply. The Advantech board apparently
 > takes 5V 10A max, and 5V 6A typical. The ICP board takes 5V 4.2A, 12V
 > 4.85A. Finally, the Emac board takes 5V 10A, 12V 1A max, and 5V 5.6A,
 > 12V 0.17A typical.

Well, This is debatable.  These are all around 50 watts, which seems
reasonable to me.

John