Page 1 of 1
erasing chip with willem GQ-4X burner/reader
Posted: Mon Aug 02, 2010 5:01 pm
by 2inil8
I bought a chip from jaycar its an AMTEL AT27C256R supposed to be eraseable
but i cant get it to erase.I do have the 9v adaptor as im aware it needs 12v to erase
is there something im missing here?
Re: erasing chip with willem GQ-4X burner/reader
Posted: Mon Aug 02, 2010 5:11 pm
by delcowizzid
AT27C256R is a one time programmable eprom so can only use it once
Re: erasing chip with willem GQ-4X burner/reader
Posted: Mon Aug 02, 2010 5:25 pm
by 2inil8
ah that sucks i think i will pay them a visit tomorrow,they were ment to be erasable
they did have uv erasable eproms but ran out of stock and got these in.
whats a good chip that you can electronically erase that you would reccomend?
Re: erasing chip with willem GQ-4X burner/reader
Posted: Mon Aug 02, 2010 6:09 pm
by Holden202T
29c in whatever size you can get
Re: erasing chip with willem GQ-4X burner/reader
Posted: Thu Aug 12, 2010 8:03 pm
by 2inil8
Got another question im trying to read a vs v8 hsv auto memcal
and i cant read it tried selcting device 27c512 and get a bunch of 0s
seem to read the 128 vn/vp memcals ok.