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1. #Tuning honda ecu with willem eprom programmer software
2. #Tuning honda ecu with willem eprom programmer download

I bought it off eBay already assembled about 2 years ago, and 'thought' it was the Willem Enhanced Programmer. I attempted to follow the instructions provided by tulufan, however I am not even sure what model Willem programmer I have. I have only recently purchased a couple of these chips to use in car ECU's, but upon receiving them I find I cannot erase them. I too am now having trouble erasing the SST27SF512 chip. Sharing knowledge is a wonderful thing, no bull. Your advice was spot on and I will be refering this thread info to other frustrated users. I'm using the SST27SF512 chip to split bins in my 88 Camaro IROC 165 ECU. set the DIP switch 3,5,7,8,9 on and 1,2.4,6,10,11,12 off.Ĥ do a blank check to confirm the chip been erased and it's blank. close back the safety jumper.(This will set all LED to default position)Ģ. Once you finished the erase, you can move to write procedure as bellow:ġ. select the special chip LED to the position W27Cģ. for the chip 27SF512, the erasing the chip has different setting with programming the chip.Ģ. The Willem programmer does not support the EPROM ID feature. The grayed out ID icon is correct for 27SF512. Do not worry about JP2 and JP3, that is for Dual Power willem programmer. I would still like to hear from someone on the correct method to erase the 27SF512 using this Universal programer.Īlways use PCB3B setting, the Enhanced willem is based on the PCB3B. Whoops.just saw a thread that asks how can you tell if the chip is good! "Will the programer ID the chip?" In my case the ID icon is shadowed.sounds like bad news.

#Tuning honda ecu with willem eprom programmer software

The software opens windows and refers to setting of jumpers.I assumed this to be a software function and not hardware?

I have also tried the software recommended dip switch settings in both Willem and PCB3 modes with no success.

#Tuning honda ecu with willem eprom programmer download

I have followed the EEPROM directions found at the mcumail download page which describs using W27Cxx dip switch setting etc. Erasing is the problem, searching threads finds reference to setting jumpers JP2 & JP3 which are not found on my programer.

I have a Willem Enhansed Universal(LPT & USB plugs both at left of board) using the ja software and trying to erase & program the SST27SF512 chip.

MCUmall EPROM BIOS Chip Burner Forum - Willem Enhansed Universal - SST27SF512