PDA

View Full Version : UPA-USB can't write 93C46



masterb
7th March, 2012, 06:08 PM
hello,

upa-usb programmer can't write this simple eeprm.
need i extra power supply for this.
How one can give me info for power (pin)

thx

einet
7th March, 2012, 07:28 PM
this is roteted

nasir
8th March, 2012, 08:50 AM
select correct manufacturer of that eeprom & read

Motika
9th March, 2012, 07:26 PM
You might also want to try reading it as 16 bit.

bodzio012
10th March, 2012, 12:26 AM
It's joke??? UPA programing all microwire without problem, if you have bad c46 or damaged? Try to solder directly under the feet

roth18
10th March, 2012, 03:50 AM
desolder and read, only 8 legs

masterb
11th March, 2012, 02:21 PM
It's joke??? UPA programing all microwire without problem, if you have bad c46 or damaged? Try to solder directly under the feet

no, sorry it's no joke

read, erase no problem mit to write no chance !
But in 16Bit mode work, but think its not right. in old MSA11 its only 8Bit dump.
And its desolder ...

regards
peter

Doru Lucian
11th March, 2012, 10:24 PM
no, sorry it's no joke

read, erase no problem mit to write no chance !
But in 16Bit mode work, but think its not right. in old MSA11 its only 8Bit dump.
And its desolder ...

regards
peter on a Range Rover I meet the same problem ,I rwite with 93c46\16 bit oll was OK

smokey08
11th March, 2012, 10:44 PM
What is the numbers on top of the eeprom? Does it end with a B?

masterb
12th March, 2012, 10:41 AM
is from old MSA11 ecu.
Number B58196.

antwnhszr
25th March, 2012, 09:27 AM
desolder and read, only 8 legs
thank you roth18.......