Willem programmer and SST 27SF512 chip: did anyone ever get it to work?
Thread Starter
Junior Member
iTrader: (4)
Joined: Jul 2004
Posts: 69
Likes: 1
From: Palm Bay, FL
Car: 91 Camaro Z28
Engine: L98 5.7L
Transmission: T-56
Axle/Gears: Ford 9" with 4.30s
Willem programmer and SST 27SF512 chip: did anyone ever get it to work?
So I scored me a Willem programmer from eBay recently, along with a SST 27SF512 chip. I can read data off the chip just fine, and erasing works with proper jumper settings. However, whenever I try to write, I get a "Error at 0x000000 Chip = 0x00 buffer = 0x02". I've seen some people on the board mention using Willems, so has anyone been able to get theirs to work?
From what I gather, it seems to be a power issue. I'm using the USB port for power and I think I will need to get me a 12V 300mA DC adapter to get this thing to work. While I look for one, does anyone have any suggestions?
Edit: It lives!! I just downloaded version 0.97ja from *Link* and it flashed just fine!
From what I gather, it seems to be a power issue. I'm using the USB port for power and I think I will need to get me a 12V 300mA DC adapter to get this thing to work. While I look for one, does anyone have any suggestions?
Edit: It lives!! I just downloaded version 0.97ja from *Link* and it flashed just fine!
Last edited by Dents; Nov 21, 2006 at 06:47 PM. Reason: Make it easier for future searches
Thread Starter
Junior Member
iTrader: (4)
Joined: Jul 2004
Posts: 69
Likes: 1
From: Palm Bay, FL
Car: 91 Camaro Z28
Engine: L98 5.7L
Transmission: T-56
Axle/Gears: Ford 9" with 4.30s
Mine came with version 0.98D2, should I get 0.97ja anyways? Also, is your stuff USB powered?
I have the same programmer and chips. I'm using the Parallel port and USB power. Mine works, but I don't recall which version of the program I have (I can post it later). Your power sounds like it is okay from the USB if you can erase chips. Do you have the "safety jumper" removed for programming? All the LED's in the "default" settings? Correct chip selection in the program? Correct DIP switch settings? That's all I can think of, unless it's a program issue.
Thread Starter
Junior Member
iTrader: (4)
Joined: Jul 2004
Posts: 69
Likes: 1
From: Palm Bay, FL
Car: 91 Camaro Z28
Engine: L98 5.7L
Transmission: T-56
Axle/Gears: Ford 9" with 4.30s
There is a "safety jumper" that needs to be removed to program?? Which one is it?
I did follow the manual and set everything it specified. Made sure the correct chip is selected, and the DIP switch is set up just like the software specifies. I also made sure to move the jumper back to where software shows it after erasing the chip.
I did follow the manual and set everything it specified. Made sure the correct chip is selected, and the DIP switch is set up just like the software specifies. I also made sure to move the jumper back to where software shows it after erasing the chip.
If we're talking about the same Willem Programmer, the safety jumper is the one between the reset/chip select buttons and next to the ZIF lever. It needs to be removed when programming (and erasing, I thought...).
Last edited by Yardstick; Nov 20, 2006 at 02:18 PM.
Trending Topics
Okay... That one is different from the one I have. I'm not sure where to go from here. Sorry.
Edit: Mine is the "enhanced" one, apparently. I forgot that little detail in the name and thought we were talking about the same thing.
Edit: Mine is the "enhanced" one, apparently. I forgot that little detail in the name and thought we were talking about the same thing.
Last edited by Yardstick; Nov 20, 2006 at 02:31 PM.
Thread Starter
Junior Member
iTrader: (4)
Joined: Jul 2004
Posts: 69
Likes: 1
From: Palm Bay, FL
Car: 91 Camaro Z28
Engine: L98 5.7L
Transmission: T-56
Axle/Gears: Ford 9" with 4.30s
I found version 0.98D5 (as opposed to mine 0.98D2) on sivava.com, but that has the exact same problem. Where did you get your version from? I can't seem to find a link to it anywhere.
The Willem.org site has it in the left, blue column. Here's a link directly to the program: *Link*
Junior Member

Joined: Nov 2004
Posts: 53
Likes: 0
From: West Plains, Missouri 65775
Car: 1967 C10 Pickup
Engine: LMM Duramax
Transmission: 4L80E
I see you got it working..how ever...i had intermitent problems all the time with mine. seems dip switches fail often.
I was able to repair mine for a few bucks.
from www.Digikey.com
450-1403-ND - 12 POS DIP SWITCH $2.37 ea
ED3324-ND - IC SOCKET 24POS
i removed stock dip switches, installed socket and new dip switches.
I ordered spare dip switch for future failure.
works great othern then the stock dip switches
I was able to repair mine for a few bucks.
from www.Digikey.com
450-1403-ND - 12 POS DIP SWITCH $2.37 ea
ED3324-ND - IC SOCKET 24POS
i removed stock dip switches, installed socket and new dip switches.
I ordered spare dip switch for future failure.
works great othern then the stock dip switches
Member
Joined: Sep 2004
Posts: 231
Likes: 0
From: Alberta, Canada
Car: 80 GMC K35
Engine: TPI 355
Transmission: NV4500
Axle/Gears: 4.10
I personally gave up on my willem, and picked up a moates BURN1 programmer instead -- Best move I've made to date. Way more convenient working off soley USB, and integration with TunerPro RT. Also seems to be far more consistant, and stable than the willem's programming was. I've never had a failed chip flashing, while every other one with the willem failed.
Thread Starter
Junior Member
iTrader: (4)
Joined: Jul 2004
Posts: 69
Likes: 1
From: Palm Bay, FL
Car: 91 Camaro Z28
Engine: L98 5.7L
Transmission: T-56
Axle/Gears: Ford 9" with 4.30s
I haven't had any problems with my Willem, at least so far. I think it's a great "budget" programmer.
Thread
Thread Starter
Forum
Replies
Last Post
Terrell351
Engine/Drivetrain/Suspension Parts for Sale
5
Jun 13, 2021 01:13 PM
27fs512willem, 27sf512, 91, adaptor, chip, eprom, erase, forum, gmc, power, programmer, programmers, programming, sst, usb, willem






