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Search: Posts Made By: AlexJH
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Forum: DIY PROM
03-06-2006, 10:48 AM
Replies: 9
Views: 1,271
Posted By AlexJH

Basically what the checksum does is add up every...

Basically what the checksum does is add up every value in the binary as a single byte. If it goes greater than 255 it wraps around to 0 again.
...
Forum: DIY PROM
02-20-2006, 10:13 AM
Replies: 15
Views: 945
Posted By AlexJH

What does your SES light do when you go to Key On...

What does your SES light do when you go to Key On Engine Off?
Forum: DIY PROM
02-01-2006, 10:11 AM
Replies: 1
Views: 554
Posted By AlexJH

You'll have to use a scan cable and see what the...

You'll have to use a scan cable and see what the datalogs are doing to solve your idle and bogging problems.

That's once you're sure that there aren't any mechanical problems.. :)
Forum: DIY PROM
01-31-2006, 06:22 PM
Replies: 2
Views: 509
Posted By AlexJH

You'll need to adjust your fueling tables to get...

You'll need to adjust your fueling tables to get them running 128/128.
Forum: DIY PROM
01-20-2006, 05:42 PM
Replies: 9
Views: 634
Posted By AlexJH

Ouch. Every board designer should really put a...

Ouch. Every board designer should really put a 'dummy diode' after their power connector. :(
Forum: DIY PROM
01-18-2006, 10:28 AM
Replies: 5
Views: 942
Posted By AlexJH

I'm interested in the source, could I check it...

I'm interested in the source, could I check it out? I've never used Objective-C so it should be a fun experience!
Forum: DIY PROM
01-18-2006, 10:27 AM
Replies: 9
Views: 707
Posted By AlexJH

www.craigslist.org and click on the nearest city ...

www.craigslist.org and click on the nearest city

Since you're looking for a used laptop you'll probably want to get a cigarette lighter invertor as well because the battery is probably toast.
Forum: DIY PROM
01-17-2006, 05:30 PM
Replies: 6
Views: 792
Posted By AlexJH

Probably the same thing. I hope this URL...

Probably the same thing.

I hope this URL works, NCIX is a local store for me.
...
Forum: DIY PROM
01-17-2006, 04:53 PM
Replies: 6
Views: 792
Posted By AlexJH

I'm not implying that I'm smarter than you, but...

I'm not implying that I'm smarter than you, but what about a USB key?
Forum: DIY PROM
01-17-2006, 04:35 PM
Replies: 5
Views: 942
Posted By AlexJH

I also wanted to mention that I was kind of sad...

I also wanted to mention that I was kind of sad that no one wanted to help out on this:

http://ecmedit.sourceforge.net/

I'm thinking of rewriting it so it's a C++ library that takes plugins for...
Forum: DIY PROM
01-17-2006, 04:32 PM
Replies: 5
Views: 942
Posted By AlexJH

You mentioned a while back that you had a Tcl...

You mentioned a while back that you had a Tcl library to use read the datastream on FreeBSD, have you made any progress on that?
Forum: DIY PROM
01-16-2006, 09:00 AM
Replies: 16
Views: 836
Posted By AlexJH

A script could probably be written to convert...

A script could probably be written to convert between the two. Does anyone want to learn Python? :D
Forum: Parts for Sale 2006
12-21-2005, 01:41 PM
Replies: 4
Views: 256
Posted By AlexJH

Can you ship to Canada by US Postal Service? I'm...

Can you ship to Canada by US Postal Service? I'm interested in the 7730.
Forum: Organized Drag Racing and Autocross
12-21-2005, 01:36 PM
Replies: 8
Views: 1,069
Posted By AlexJH

Cool, I've been keeping an eye out for an 82-89...

Cool, I've been keeping an eye out for an 82-89 wheel on Ebay.
Forum: DIY PROM
12-01-2005, 01:21 PM
Replies: 9
Views: 1,874
Posted By AlexJH

SPI always uses 4 lines: CS means chip...

SPI always uses 4 lines:

CS means chip select (sometimes it's negative logic ie set to 0 to select, 1 to deselect). You can have a whole bunch of chip selects going to different chips.
MOSI -...
Forum: Organized Drag Racing and Autocross
11-21-2005, 11:36 AM
Replies: 8
Views: 1,069
Posted By AlexJH

What is your favourite OEM steering wheel?

My steering wheel is getting worn out on the top, the ?vinyl? material has cracked and is leaving little grey bits on my hands after driving. It's especially bad when I'm autocrossing since I'm...
Forum: DIY PROM
10-25-2005, 11:43 PM
Replies: 2
Views: 540
Posted By AlexJH

I know it a little bit and it wouldn't be hard to...

I know it a little bit and it wouldn't be hard to pick it up again.

I'm more of a python fan for scripts though. :)
Forum: DIY PROM
10-16-2005, 01:24 AM
Replies: 1
Views: 586
Posted By AlexJH

I don't think you made a mistake re the Pocket...

I don't think you made a mistake re the Pocket Programmer, mine has worked well for me.

First, make sure you get the flash chips. Don't bother with the ones that need to be UV erased.

Second,...
Forum: DIY PROM
09-27-2005, 06:44 PM
Replies: 4
Views: 560
Posted By AlexJH

Oh! When I turn the key and there is no chip in...

Oh! When I turn the key and there is no chip in the socket, it doesn't flash. It turns the SES light on and the fans, etc.

I thought you meant burning a PROM with a bad checksum.
Forum: DIY PROM
09-27-2005, 10:40 AM
Replies: 4
Views: 560
Posted By AlexJH

In my car, the SES light comes on when you turn...

In my car, the SES light comes on when you turn the key to on, but not start. It turns off as soon as you start the car.

On a bench, I've verified flashing the SES light and ALDL operation with...
Forum: DIY PROM
09-02-2005, 01:31 PM
Replies: 34
Views: 4,675
Posted By AlexJH

Cool link, I didn't see it cuz I ignore most of...

Cool link, I didn't see it cuz I ignore most of the C3 stuff. That'll learn me.

Put me down for 4 of those boards!
Forum: DIY PROM
09-02-2005, 10:19 AM
Replies: 34
Views: 4,675
Posted By AlexJH

Cool hack! Have you modded your ECM to use...

Cool hack!

Have you modded your ECM to use the extra RAM? I'm definitely interested in some pics/instructions... :)
Forum: Tech / General Engine
08-05-2005, 03:52 PM
Replies: 1
Views: 599
Posted By AlexJH

Depends on what your soldering skills are. There...

Depends on what your soldering skills are. There are schematics on the net, and the parts cost about $10 max.
Forum: TPI
08-05-2005, 03:48 PM
Replies: 8
Views: 723
Posted By AlexJH

It depends... but when I'm datalogging it usually...

It depends... but when I'm datalogging it usually takes about a minute if I'm driving, 2 mins at idle.
Forum: DIY PROM
07-21-2005, 10:43 AM
Replies: 14
Views: 1,123
Posted By AlexJH

nevermind, misread the question

nevermind, misread the question
Forum: DIY PROM
07-15-2005, 03:29 PM
Replies: 4
Views: 605
Posted By AlexJH

Re: Prom burn For a TPI ported Out

Yup.
Forum: DIY PROM
07-14-2005, 03:04 PM
Replies: 14
Views: 1,049
Posted By AlexJH

For cheap laptops, try craigslist.org for sale...

For cheap laptops, try craigslist.org for sale section for your city.
Forum: DIY PROM
07-12-2005, 06:33 PM
Replies: 3
Views: 556
Posted By AlexJH

VATS?

VATS?
Forum: DIY PROM
07-12-2005, 04:07 PM
Replies: 0
Views: 437
Posted By AlexJH

Cheap GTechs

No relation to the store, saw this link on a microcontroller mailing list:

http://www.surpluscomputers.com/store/main.aspx?p=ItemDetail&item=CES10539
Forum: DIY PROM
07-08-2005, 03:41 PM
Replies: 15
Views: 827
Posted By AlexJH

How is it wired on the outside? Do port D lines...

How is it wired on the outside? Do port D lines go to an external chip? It may be for an analog mux to allow for multiple A/D channels on a single ECM input.
Forum: DIY PROM
07-08-2005, 01:29 PM
Replies: 15
Views: 827
Posted By AlexJH

I don't think it is being used, it doesn't make...

I don't think it is being used, it doesn't make sense the way they are using it.
Forum: DIY PROM
07-08-2005, 10:08 AM
Replies: 15
Views: 827
Posted By AlexJH

!SS is slave select (active low) SCK is serial...

!SS is slave select (active low)
SCK is serial clock
MOSI is Master Out Slave In
MISO is Master In Slave Out
Forum: DIY PROM
06-23-2005, 10:33 AM
Replies: 11
Views: 840
Posted By AlexJH

D = Old value x 256 + (Filter coeff x (New value...

D = Old value x 256 + (Filter coeff x (New value - Old value)x256)/256

is the same as saying

Old value x 256 - (Filter coeff x (Old value - New value)x256)/256

Right?
Forum: DIY PROM
06-22-2005, 10:35 AM
Replies: 1
Views: 2,611
Posted By AlexJH

http://www.netrino.com/Publications/Glossary/Memor...

http://www.netrino.com/Publications/Glossary/MemoryTypes.html

28 series are EEPROM
29 series are flash

They're different in the way they are programmed. They read the same way though, so you...
Forum: DIY PROM
06-16-2005, 11:31 AM
Replies: 4
Views: 829
Posted By AlexJH

The first one, yes, the second one, likely but it...

The first one, yes, the second one, likely but it doesn't specifically list the chip so I can't be sure.
Forum: DIY PROM
06-13-2005, 10:17 AM
Replies: 15
Views: 3,468
Posted By AlexJH

Bump... is it available on Craigs site? Gmail...

Bump... is it available on Craigs site? Gmail doesn't let me receive the file. :(
Forum: DIY PROM
06-02-2005, 08:32 PM
Replies: 15
Views: 3,468
Posted By AlexJH

Sweet! Can you send it to me? harford@gmail.com...

Sweet! Can you send it to me? harford@gmail.com

What about posting it on SourceForge?
Forum: DIY PROM
05-30-2005, 03:18 PM
Replies: 1
Views: 456
Posted By AlexJH

I've started a bin editor for Linux but I haven't...

I've started a bin editor for Linux but I haven't had much time to work on it lately.

It's in an almost usable state, it uses C++ and wxWidgets for the gui but I'd like to get it switched over to...
Forum: DIY PROM
05-30-2005, 10:27 AM
Replies: 8
Views: 659
Posted By AlexJH

You don't need much. My 200MHz Toshiba is still...

You don't need much. My 200MHz Toshiba is still going strong.
Forum: DIY PROM
05-24-2005, 05:53 PM
Replies: 1
Views: 599
Posted By AlexJH

https://www.thirdgen.org/techbb2/showthread.php?s=...

https://www.thirdgen.org/techbb2/showthread.php?s=&threadid=282935&highlight=vats+disable

There's lots of info in the archives...
Forum: DIY PROM
05-18-2005, 09:36 AM
Replies: 7
Views: 600
Posted By AlexJH

A nibble is half a byte, or 4 bits. That refers...

A nibble is half a byte, or 4 bits. That refers to the $D value.

But you're right, the % listed doesn't make sense, when I divide $200 / $FFF, I get 0.125.

Unless $400 is the maximum DC and...
Forum: DIY PROM
05-16-2005, 01:25 PM
Replies: 3
Views: 496
Posted By AlexJH

What car/ecm are you running?

What car/ecm are you running?
Forum: DIY PROM
05-03-2005, 12:08 PM
Replies: 3
Views: 653
Posted By AlexJH

No, I wasn't running at this point. I have...

No, I wasn't running at this point. I have another datalog of what happened when it was running but I can't post it right now. I'll have a look at those grounds, thanks.
Forum: DIY PROM
05-02-2005, 10:07 PM
Replies: 3
Views: 653
Posted By AlexJH

Ok, it was too smart for me, I had to rename it...

Ok, it was too smart for me, I had to rename it as a bmp
Forum: DIY PROM
05-02-2005, 10:05 PM
Replies: 3
Views: 653
Posted By AlexJH

Wacky datalog. Bad ECM?

Sigh... has yet another ECM has gone bad on me? It's the 2nd 730, had 2 165's go bad before the MAF to MAP swap. Should I be looking for a short somewhere in the wiring?

Here's the datalog from...
Forum: DIY PROM
05-02-2005, 04:51 PM
Replies: 4
Views: 2,936
Posted By AlexJH

Awesome!

Awesome!
Forum: DIY PROM
04-20-2005, 10:36 AM
Replies: 1
Views: 881
Posted By AlexJH

Correct.

Correct.
Forum: DIY PROM
03-11-2005, 05:44 PM
Replies: 14
Views: 2,336
Posted By AlexJH

:doh: I read PDIP and ASSumed. :)

:doh:

I read PDIP and ASSumed. :)
Forum: DIY PROM
03-10-2005, 10:55 AM
Replies: 25
Views: 3,145
Posted By AlexJH

I've got a list here: ...

I've got a list here:

http://wasabi.dynu.com:8080/wiki/index.php/68HC11GMVariant
Forum: DIY PROM
03-09-2005, 10:08 AM
Replies: 5
Views: 831
Posted By AlexJH

The two places I'd go looking for files are Craig...

The two places I'd go looking for files are Craig Moates site, and ftp://ftp.diy-efi.org/ and poking around in the directories there.
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