749 in a 749 - troubles

[green]

|I had to load the code into the upper 128k of the 256k. I am using a Quad 4
|mem-cal which is a 256k. All of the binaries I got for the Syty were
128k's.
|Someone said the Syty is 256k. I will know in a few days. I ordered one.
|

It's a 128, if you load it on a 256, offset it to 4000.
Let me know the code for the syty chip you ordered, current one thru dealers
should be a BBZB 1580 i believe.

|I load the binary into the programmer. Then I copy 0000-7fff into
8000-ffff.
|This gets it to the upper half. You can fill 0000-7fff with 00, but it
|shouldn't matter.
|
|Now, the question is are you trying to run the Syty (HEI) on a DIS engine?
|If so, the spark reference needs to be backed off from 70 degrees to 10
|degrees. The DIS has a 60 degree offset.
|

I didn't think anyone got this working fully (?)...
Brian Green
Syclone #160
12.12  @116

|Terry
|
|----- Original Message -----
|From: <ECMnut at aol.com>
|To: <gmecm at efi332.eng.ohio-state.edu>
|Sent: Sunday, August 29, 1999 6:50 PM
|Subject: Re: 749 in a 749 - troubles
|
|
|> Sorry if you covered this already.  Shannen just made me think of it.
|> The Syclone chip is a 27128.  Does your 3.1 use a 27256?
|> If so, did you move the code?  Terry has done this.
|> He splained it too me repaetedly, but it just didn't sink in..  (-8
|> Mike V
|>
|>
|> > Is your eprom the same type as the factory prom?  Did the factory prom
|> >  survive the removal process so you can try it now?  Silly question,
|> >  but is the eprom oriented correctly?
|> >  >
|>
|
|