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Search: EPROM[^A-Za-z]
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OBD0PR4
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20 Dec 2003 - 23:47 - NEW
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The Admin
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PR4 : OBD0 90-91 USDM Integra LS/GS B18A1 The DA chassis integras received B18A1 1.8L non-vtec motors in 1990 through 1993. The car experienced a switch in engine ...
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PlanForGlobalDomination
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17 Sep 2005 - 19:14 - r1.7
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Home.ben ogle
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The Plan for Global Domination "The Plan" is the (somewhat) facetious name for the concrete goals of the PGMFI project, as opposed to the ideological goals as expressed ...
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Number of topics: 2
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27C256
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29 Apr 2004 - 02:54 - r1.2
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Home.rschoener
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The 27C256 is the basic EPROM commonly used to chip ECUs. It is a 32k byte (256kbit) chip. 27C256 chips are generally either OTP or UV-Erase . Beware tho! Most honda ...
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28C256
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12 Apr 2004 - 20:42 - NEW
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Home.tungsten2k
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28C256 EEPROM s will work in ECUs, but require pins to be moved around/altered due to them being a different pinout than either 27C256 or 29C256 chips. http://rocky ...
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ChippingAn88-89ECU
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21 Sep 2005 - 08:24 - r1.8
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Home.1net
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OBD0MPFI ECUs have two main designs that affect how the ECU is chipped. 90-91 ECU s have an external 38256 (same as 27C256 ) ROM . This can be removed and replaced ...
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ChippingJDMP30
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12 Jan 2007 - 03:32 - r1.5
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Home.coupe-r
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You will need bridge J1 on the back of the ECU. Add C49 C50 and C92 on back. C91 is on the front by the latch C49 C50 .004UF (Digikey part number 399-1230-1-nd ) ...
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ChippingOBD0PM6
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05 Nov 2006 - 15:41 - r1.2
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Home.synoptic
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OBD0 ECU Chipping If you have a OBD0 ECU, chipping the ECU might not be straightforward. Almost ALL 90-91 PM6, PM7, PR4 and PP5(with catalytic converter) ECUs had ...
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ChippingOBD2
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31 Mar 2004 - 19:00 - NEW
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Home.blundar
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How to chip a ODB2 ECU by Doc (edited by Dave) Table of Contents: TOC Introduction Contrary to popular belief, it is possible to chip a ODB2 ECU. It's not cheap like ...
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CromeFAQ
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04 Aug 2005 - 02:22 - r1.4
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Home.m2prelude
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Why is Crome password protected? Crome is FREE software that without the hard work of many people wouldn't even be here. To give credit to its contributors, I (John ...
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DocECUSchool
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05 Mar 2004 - 17:40 - NEW
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Home.blundar
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From post: Doc Teaches ECU School A while ago, Doc and I had a conversation on IM that turned into a very informative post. It is now archived here for your reading ...
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DualRoms
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03 Oct 2005 - 14:07 - NEW
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Home.1net
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Honda RomMaps are 256 kilobits (32kbytes) Use a 2xC512 (512kbit/64kbyte) EPROM Make one rom image with two full RomMaps one beginning at offset 00h one beginning at ...
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ECUHardware
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06 Feb 2007 - 01:40 - r1.4
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Jared Karagen?
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This page describes how the hardware in an ECU works, and fun things you can do with it. If you are just wanting to learn how to chip your ECU , you should look at ...
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EasyRtpV10
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22 Dec 2004 - 20:36 - r1.10
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Home.synoptic
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This page is a construction design for the Easy-RTP V1.0 board. This is the single sided design for a DS1230 style 28 pin DIP NVSRAM. You can find the eagle design ...
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EcuDefinitionCodes
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02 Apr 2007 - 17:06 - r1.84
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Home.hackish
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Honda ECU definition codes These id codes are the last 3 digits printed directly on the MCU after the model number (e.g. M66207-251 the "251" portion will be a much ...
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ElectronicPartSupplier
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22 Jun 2004 - 02:15 - NEW
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Home.phiz
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a handful of major electronic part suppliers: http://www.digikey.com Digikey good in-stock availability, great catalog, good website. http://www.arrow.com Arrow ...
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HexFile
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25 Mar 2004 - 20:13 - NEW
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Home.sevedd
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A "hex" file is a file encoded in Intel Hex format. The Intel HEX file is an ASCII text file with lines of text that follow the Intel HEX file format. Each line in ...
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HowDoesDataLoggingWork
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24 Oct 2005 - 06:50 - NEW
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Home.markolson
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There are a number of programs that enable you to log data about how your engine is working by reading information out of the ECU. For my OBD1 ECUs, I use CROME Pro ...
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IntroductionToECUChipping
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12 May 2006 - 09:00 - r1.10
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Home.hondainfo
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Introduction to ECU Chipping by David Blundell Please feel free to link to this article, but "mirroring" is highly discouraged, as you will not automatically receive ...
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MCU
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30 Jul 2004 - 19:19 - NEW
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Lego Z81
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MCU microcontroller A small CPU sometimes with RAM , ROM , EPROM , EEPROM , FLASH , or IO facilities onboard. Documentation on MCU's inside Honda ECU 's is http:/ ...
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NVSRAM
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23 Mar 2006 - 19:36 - r1.3
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Home.Nuno Euro VTi?
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NVSRAM Non Volatile SRAM fast, byte addressible, byte write, RAM that retains its contents after power is lost. NVSRAM usually takes one of several forms: Battery ...
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OBD0CodeCompatibility
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12 Jul 2005 - 19:25 - r1.3
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Home.4G vtec
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Can you run code from one OBD0MPFI ECU in another? The short answer to this is yes. The following has been tried before and is known to work successfully: PM6 in PR4 ...
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OBD0InterChipCommunication
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17 Feb 2004 - 09:44 - NEW
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Home.tungsten2k
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There are several chips connected to the Oki83C154 or Oki80C154 MCU : NEC UPD7004C ADC 5128XRAM external SRAM Oki6260A IO controller 38256 EPROM (32k) in some cases ...
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OBD0MPFI
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30 Jan 2006 - 07:24 - r1.5
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Home.carotman
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There is a very distinct family of ECUs found in 88-91ish OBD0 hondas. The main characteristics of this family: Oki80C154 or Oki83C154 MCUs that are essentially Intel8051 ...
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OBD0Oki83C154Reader
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05 Mar 2004 - 17:56 - NEW
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Home.blundar
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Dave says: Well, borrowing an idea from Nico-HRED/Doc used in the 66Ks, here is a program that should read out the contents of a 83C154 MCU. It assumes that you have ...
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OBD1Oki66207Reader-DIP64
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05 Mar 2004 - 18:16 - NEW
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Home.blundar
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First of all i'll thank Nico-HRED again for the info he posts in the general forum about the "66P507 Readout". I adapted the idea and simplified it, so everyone of ...
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OBD1Oki66207Reader-PLCC68
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08 Jun 2006 - 00:20 - r1.2
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Home.synoptic
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After doing Doc's mod to read out the stock rom from a Australian P30 ecu with the 66207 in a 64 pin dip config, I started thinking that somewhere on the web I saw ...
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Oki80C154
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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MCU used in OBD0MPFI ECUs that has zero internal code memory. requires the use of an external EPROM It is mostly 8051 compatible, and features a third timer like ...
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P13
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19 Sep 2006 - 17:13 - r1.15
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Home.carotman
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P13 93-95 OBD1 Prelude Vtec (H22A DOHC Vtec) RAM Location Bytes Description Notes 00A4 1 MAP sensor 00AB 1 Tps Sensor OBD1 8bitTPS 00AE 2 RPM in 16bit form 00D9 1 ...
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P14ToP13
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28 Apr 2005 - 05:11 - r1.2
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Home.speed_of_bokchoy
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How to convert an OBD1 P14 into a OBD1 P13 by Andrew Congdon I've now suceeded in converting a P14 to P13. Here's what I added to a P14-Q00 to make it electrically ...
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PartsForECUs
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14 Apr 2007 - 17:07 - r1.13
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Home.thc07
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Value Description Board Locations Used for Notes DigiKey # Digikey Price 22pf Cap Ceramic Disk C75 , C89 , C72 , C74 1330ph-nd 0.072 .1uf Cap Ceramic Disk C51 , C52 ...
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RomBurner
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29 Mar 2004 - 21:23 - NEW
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Home.blundar
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A ROM Burner is a device that programs ROM , EPROM , EEPROM , FLASH chips. There are several ROM burners that are worth mentioning for the DIY enthusiast. It does ...
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RomEmulator
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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ROM Emulators "look" like a ROM to whatever you connect them to. In most cases here, that would normally be an ECU. The most important feature of a RomEmulator compared ...
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RtpTruthTable
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Peusdotruth table for RTP logic compatible with both OBD0 and OBD1 hardware: (/PSEN) (OBD1) (DS1230AB) A15 /WR /OE /CS /IOWE /WE /OE /CE 0 a b c a 1 b c 1 a X X 1 ...
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TroubleshootingSolidCEL
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27 Dec 2004 - 18:16 - r1.2
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Home.markolson
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Solid CELs are arguably one of the easier problems to troubleshoot because there are relatively few things that cause them to happen. A "solid" CEL occurs when there ...
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UberDataFAQ
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Uberdata FAQ Stupid newbie tard Uberdata FAQ Author: Blake Warner Email: uberteg@cox.net, vertigo118@cox.net Notes: Remember to donate if you use and enjoy this software ...
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ZIF
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10 Mar 2004 - 21:24 - NEW
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Home.blundar
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ZIF stands for Zero Insertion Force. ZIF sockets are commonly used in ECU s where the EEPROM will be removed and reinserted frequently. "ZIFing an ECU" is when you ...
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Number of topics: 39
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