I bought some ST 27SF512 EEPROMs, programmed one with calibration and am now attempting to read that calibration back into Tunercat.

The reader I'm using is the Pocket Programmer II. It appears to extract the data ok. The problem is Tunercat can't read in the .bin file.

The Tundercat error message I get is the following:

"The selected calibration file appears to be the incorrect length (65586 bytes). The calibration file should be 32768 bytes long. The wrong EPROM type may have been selected when the EPROM was read."


My Pocket Programmer settings are the following:

Prom Type 27SF512

Buffer Start: 00000
Device start: 08000
Device end: 0FFFF

Checksum = 00000

I e-mailed Tunercat too, but I'm hoping someone here may know

 

Just to close the loop on this...

I emailed transtronics and they recommended I read the chip in as a 27C256. Lo and behold it works. TC is able to read it now.