Abit and Asus both have a sort of status display you can buy that fits in a
drive bay.  Basically they use it to display misc. temperatures on the front
of the case.    If you want to use the bus, you might get some hints off of
the motherboard monitor project (MBM5 --livewire dev) links section --one
guy extended the number of sensors in his case using the MB smb channel.
Also, LM-sensors extensions under linux might help give you a clue.   I'd
guess you'd have more than enough current available to program a pic, given
that they have a control face with lots of LEDs/display running off it.  If
you're really concerned about it, why not just use a PSU drive power
connector directly?
----- Original Message -----
From: "Mike Hord" <gaidinmd@HOTMAIL.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Thursday, October 16, 2003 7:22 AM
Subject: [EE]: Good motherboard specs?


> I'm wondering if anyone has any tricks or sources to get
> GOOD data on the operation of motherboards.
>
> Specifically, I have an older ABIT KT7-RAID motherboard
> that I'm looking to have some fun with, but I need to
> know more about the headers.  It has two SMB headers,
> which the manual describes as "I2C compatible", and an
> IR data header, which is basically a 5-volt serial port that
> comes complete with its own ground and power pins.
>
> My thought is to take Wouter's Wisp628, put it on a tiny
> little board and hide it in a spare drive bay.  Connected
> to that little serial port, that'll give me a slick way to
> program PICs simply by having a socket on the front of
> my PC, or to do ICSP by running a cable off a header on
> the front panel.
>
> Problem is, I don't know how much current I can source
> through this thing, and I don't want to find out the hard
> way.
>
> Mike H.
>
> _________________________________________________________________
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