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-   -   trying to burn a 256k file to a SST 27Sf512 chip (https://www.homemadeturbo.com/engine-management-10/trying-burn-256k-file-sst-27sf512-chip-41044/)

irocz 06-12-2005 12:37 PM
trying to burn a 256k file to a SST 27Sf512 chip
 
I am useing a moates burn 1 and I want to burn a 256k file To my 27sf512 chip. From what i have found on the moates.net site you have to change the address of where you want to program the chip. how ever they onley give address setting for up to 64k. Is 64k The limit for a 27SF512, If not how can I burn a lager file. Most of the bin files (that are in the bin dipositor)that are for B series motors are 256k.

FooK 06-12-2005 03:04 PM
Re: trying to burn a 256k file to a SST 27Sf512 chip
 
im not sure how you set it with the burn1, but with a willem the offset used is 8000

TurboEF9 06-12-2005 03:12 PM
Re: trying to burn a 256k file to a SST 27Sf512 chip
 
Ok, here we have a issue of you using 256kb (kilo bits) and everyone else probably thinking you're meaning KB (kilobytes).

..your ROM file is 32KB (256Kb).. yo use the Moates burner for this, set your Buffer Start address to 0000, Buffer End Address to 7FFF, and your device start address to 8000, and device ending should be FFFF... then load your buffer (load the ROM), click Erase Chip (this needs to be done with teh SSTs), then Program Chip. Wa-la.. all done.

HMTguy 06-12-2005 03:19 PM
Re: trying to burn a 256k file to a SST 27Sf512 chip
 
Hey TurboEF9 can you tell me why whenever I burn a rom onto my SST chip (same type as this thread title) it changes from 32KB to 64KB? I have asked this question a bunch on here and pgmfi but nobody has given me an answer yet.

and yes I am using the offset of 8000

FooK 06-12-2005 07:17 PM
Re: trying to burn a 256k file to a SST 27Sf512 chip
 
Originally Posted by jagojon3
Hey TurboEF9 can you tell me why whenever I burn a rom onto my SST chip (same type as this thread title) it changes from 32KB to 64KB? I have asked this question a bunch on here and pgmfi but nobody has given me an answer yet.

and yes I am using the offset of 8000
because it adds all the empty data in the locations before the offset. so while there may be 64K of data on the chip, half of it is useful.

if you pull your bin off the chip and inspect it after burning, you will probably see that the first 32K of it is just a bunch of blank data like zero's until the 0x08000 offset.

HMTguy 06-12-2005 08:58 PM
Re: trying to burn a 256k file to a SST 27Sf512 chip
 
Got it, thanks

irocz 06-13-2005 12:55 AM
Re: trying to burn a 256k file to a SST 27Sf512 chip
 
Originally Posted by TurboEF9
Ok, here we have a issue of you using 256kb (kilo bits) and everyone else probably thinking you're meaning KB (kilobytes).

..your ROM file is 32KB (256Kb).. yo use the Moates burner for this, set your Buffer Start address to 0000, Buffer End Address to 7FFF, and your device start address to 8000, and device ending should be FFFF... then load your buffer (load the ROM), click Erase Chip (this needs to be done with teh SSTs), then Program Chip. Wa-la.. all done.
Thank you that should clear up my problem.


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