AVR-Chat

From: AVR-Chat@yahoogroups.com
[mailto:AVR-Chat@yahoogroups.com] On Behalf Of Kenny M.
Sent: 28 January 2010 06:34 To: AVR-Chat@yahoogroups.com
Subject: [AVR-Chat] UPDATE - AtTiny Communication Problem

> Well new one hooked up...
> 1) Loaded drivers
> 2) Connected ISP
> 3) Upgraded firmware
> 4) Rebooted ISP
> 5) Disconnected ISP
> 6) Connected avr and psu
> 7) connected ISP to PC
> 8) "read signature"
> But the same result
> 
> Then as one final attempt I tried replacing my power
> supply with a 3V (3.2V) flat lithium battery. No change
> there either. 

Well it's got to be your board then.
Either some pins wired up incorrectly between the programming header &
processor, or solder bridges between the programming lines.

-- 
Tim Mitchell