Bootload Atmega 48PA, 88PA using UNO rev1 NEED HELP!

Other Hardware 3rd Party Boards
1

Recently I have bought a dozens of 48PA's and 88PA's. I can bootload 328PA using optiloader.But when I try to bootload, 48PA it shows

OptiLoader Bootstrap programmer.
2011 by Bill Westfield (WestfW)

Target power on! ...
Starting Program Mode [OK]

Reading signature:920A
Searching for image...
Not Found

Target power OFF!

Type 'G' or hit RESET for next chip

I cant even upload sketches to my atmega 328PA on breadboard using only RX TX port of UNO.

Please excuse my English and ignorance. :blush: Someone can please provide a detailed reply, because I am very much new to arduino world. :blush:

Thanks in advance. :slight_smile:

Shemul.

2

Optiloader does not currently support 48a or 88pa chips. Optiboot itself looks like it will build an image for 88, but there is currently no support for 48 at all.

3

Check into avr-developers.com, see if the core files are available for those 2 chip types.