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Search: RAM[^A-Za-z]
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Topics in Library web:
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Changed: now 11:29 GMT
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Changed by:
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29C010
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18 Nov 2006 - 17:46 - NEW
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Home.longbow
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The http://www.atmel.com ATMEL AT29C010 chip is a FLASH ROM chip with 1Mbit(~128kb) of memory. It can be found in old Pentium I II computer motherbords. This chip ...
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29C256
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25 Nov 2004 - 12:45 - NEW
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Home.ltdannear
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the http://www.atmel.com ATMEL AT29C256 chip is the de facto FLASH ROM chip in use. It uses a 5V programming voltage, can be erased repeatedly electronically. They ...
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5128XRAM
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27 Feb 2004 - 17:53 - NEW
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Home.synoptic
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5128 XRAM explanation : The 5128 chip present in OBD0 ECUs is a 2K byte(?) SRAM chip. It is mapped into memory space at 1XXX hex any external communication(MOVX A ...
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AdjustPR4PaSensor
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22 Sep 2005 - 21:14 - r1.2
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Home.warrick
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Dave Blundell sez "Vernon (deluded) sent me much of this info." As a rule of thumb, 90 PR4s have external PA sensors, and 91 ECUs have internal PA sensors. You can ...
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AutoOrManual
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19 Feb 2004 - 23:25 - NEW
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Home.blundar
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A hardware/software interaction will determine whether a program in an ECU behaves as a manual or auto. Hardware configuration of RP17/RP18 determines whether the ...
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BegginersFAQ
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27 Feb 2007 - 18:13 - r1.2
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Home.sanimalp
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(blundar sez: most of these were moved over from the old FAQ) If you are a beginner, and you have a question that you think other people will have too, please add ...
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CEL
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22 Dec 2005 - 08:58 - r1.3
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Home.qwertyville
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Check Engine Light This indicator (usually on the dash) comes on to indicate that the ECU thinks something is wrong. The ECU will usually indicate an error code by ...
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CheckSum
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12 Jul 2004 - 14:08 - r1.3
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Home.synoptic
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A Checksum is a very basic form of error checking. A checksum is calculated by adding the values of a ROM together, without any form of carry or overflow checking ...
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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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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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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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EasyRtpInstall
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30 Jul 2004 - 16:01 - r1.4
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Lego Z81
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Please Note: These installation instructions are preliminary. Please double check the instructions and report any errors. Once you've completed the construction of ...
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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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EcuFamilies
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29 Jan 2007 - 15:49 - r1.23
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Home.1net
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ECU Families: TOC "Pre-OBD" Early fuel injection designs PG7 : 86-87 USDM / JDM Integra (D16A1 VacuumAdvance) PE7 : 85-87 EDM / USDM Civic/CRX Si (EW3/EW4 VacuumAdvance ...
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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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HiResP72
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17 Feb 2004 - 09:26 - NEW
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Home.tungsten2k
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HiResP72 is a custom P72 based ROM that has been modified to have the same size fuel and ignition lookup tables as used in the P28 so that tables can be copied/pasted ...
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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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KnockBoard
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12 Apr 2004 - 04:07 - NEW
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Home.tekphobia
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the knock board is a circuit board (seperate from main ECU PCB) mounted in the top-right hand corner of DOHC Vtec ECU s having a KnockSensor. The KnockBoard is responsible ...
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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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ManualChecksum
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19 Feb 2004 - 23:25 - NEW
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Home.blundar
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There are two ways to fix a checksum error. The first is to change the program of the ROM in such a way that the checksum routine is disabled / removed. Learn to code ...
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McuReaders
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05 Mar 2004 - 17:46 - r1.2
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Home.blundar
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All of the MCU readers described here take advantage of a design flaw of oki MCUs (and the design flaw is present on all MCUs we have seen to date). MCUs can use both ...
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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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NicoAnalyze
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18 Jul 2005 - 02:10 - r1.2
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Home.roy
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Author: XDEep first thanks to nico for a great tool. the mishap im talking about is when you drag the scrollbar up and down, the cells get pushed around. so even though ...
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OBD
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31 Mar 2007 - 03:45 - r1.2
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Home.racingsky
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On Board Diagnostics General Overview In an effort to reduce vehicle emissions, the California Air Resource Board (CARB) required that an on board diagnostic system ...
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OBD0ConversionFormula
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12 Apr 2004 - 02:09 - NEW
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Home.SYnoptic
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Describe OBD0ConversionFormula here. OBD016BitRPM is used for revlimiters, target idle and most other 16bit RPM values in the ROM. OBD0VSS is used to convert the ...
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OBD0ConversionFormulae
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12 Apr 2004 - 02:06 - NEW
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Home.SYnoptic
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Describe OBD0ConversionFormula here. OBD016BitRPM is used for revlimiters, target idle and most other 16bit RPM values in the ROM. OBD0VSS is used to convert the values ...
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OBD0ConversionFormulas
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12 Apr 2004 - 02:08 - NEW
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Home.SYnoptic
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Describe OBD0ConversionFormula here. OBD016BitRPM is used for revlimiters, target idle and most other 16bit RPM values in the ROM. OBD0VSS is used to convert the ...
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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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OBD0PM6PM7RAM_Locations
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17 Feb 2004 - 09:37 - NEW
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Home.tungsten2k
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;:Bytes: RAM Alt. Notes 02C.1 bit 060h set if MAP is too high 030h CPL of 031h XRAM-1004h 031h ECT 032h IAT XRAM-1005h 033h CPL of IAT } 034h barometer? 036h MAP 037h ...
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OBD0VSS
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Author: George Date: 12-03-02 22:36 VehicleSpeedSensor (VSS), stored in RAM location 06Ch does appear to be linear (to my surprise!), but can only read up to ~157kph ...
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OBD1CivicIntegraECUs
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21 Feb 2006 - 08:00 - NEW
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Home.dj_spark
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Almost all OBD1 ECU s used in 92-95 Civics and integras (but NOT preludes, accords, legends, etc.) are more or less electrically compatible. With minor tweaks, all ...
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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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P07
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26 Jun 2005 - 05:29 - r1.3
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Home.markese
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P07 92-95 OBD1 Civic VX (D15Z1) Unique in that it has two 66207 processors (one presumably for the wideband O2) Note: 303 P07 Code is very similar to 304 P28-A01 Code ...
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P0A
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18 May 2006 - 18:59 - r1.3
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Home.kabuki
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P0A 94-95 OBD1 Accord EX attached pic is a 94 P0A-A51 PCB is IPT 02D010B0-1502 The data below has been copied over from the P13 page as a place holder. Only a few ...
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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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P13JDM
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17 Feb 2004 - 09:27 - NEW
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Home.tungsten2k
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RAM Location Bytes Description Notes ROM Location Bytes Description Notes 2EC1 1 Rev Limit Desired RPM/45.18 some 8-bit decimal value. change to Hex and put in 2EC1 ...
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P28
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26 Jul 2005 - 21:54 - r1.8
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Home.-anton-
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P28 92-95 OBD1 Civic Si/Ex and Del Sol(SOHC VTEC D16Z6) scan of auto: http://pgmfi.org/resources/FAQ/scans/P28autoback.jpg scan of auto (thanks turboef9): http:/ ...
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P30
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23 Mar 2007 - 11:36 - r1.27
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Home.johncui
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P30 (Rom #203) P30-G01 95 Uk Civic Vti Hatch, Big case one. Uses CPU's internal rom, but has space for external rom. Ran code from rom above OK but needed knock sensor ...
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P72
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02 Apr 2006 - 02:18 - r1.18
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Home.91crxsi
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ROM addresses and their functions specific to the stock Honda P72 used in: 94-95 OBD1 Integra GSR (1.8L B18C? DOHC Vtec) 96-00 OBD2 Integra GSR Picture of OBD1 P72 ...
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PH3
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30 Jan 2006 - 07:20 - NEW
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Home.carotman
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THe 88-89 Accord OBD-0 B20A ECU uses an Electronic Advance distributor. It has an External 27c256 ROM and is oki 80c154 based This ECU is very similar to the PK2 ECU ...
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ProposedDataloggingProtocol
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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This is a working draft of a proposed protocol to replace the stock serial interrupt handler. It is intended to be cross platform (i.e. both OBD0MPFI ECUs and OBD1CivicIntegraECUs ...
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RTP
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Real Time Programmability The ability to change the program/tuning of an ECU while the ECU is running the motor. Currently, only the http://www.zdyne.com Zdyne SECU ...
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RTPProject
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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blah blah, describe this later. http://www.pgmfi.org/phorum/read.php?f 5 i 3968 t 3968 messageboard link . Here's an incomplete part ordering list so far. Parts list ...
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RealTimeProgramming
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26 May 2004 - 18:52 - r1.6
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Home.hackish
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Used for tuning your ecu and making changes to it on the fly. Hardware EasyRtpV1.0 Easy-RTP v1.0 Dave's single sided adaptation of Doc's original DS1230Y based design ...
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ReplaceM5128
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27 Feb 2004 - 17:59 - NEW
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Home.synoptic
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This page explain how to replace the current 5128XRAM 2K SRAM chip by a DS1220 NVSRAM for future RTP solution. TOC Brief Explanation The M5128 chip is used to store ...
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RomEditor
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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PGMFI.ORG-made Software software written by forum members to help with ECU tasks ASM662 AndySloane's open source Oki NX8/200 code 66K assember/disassembler suite ...
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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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RomMaps
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12 Apr 2004 - 02:07 - r1.6
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Home.SYnoptic
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Rom Maps An area to collaborate on all the memory addresses found in ROMs TOC OBD1 Civic and Integra ECUs OBD1CivicIntegraECUs share a lot of features Memory Locations ...
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SuperProZ
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The http://www.xeltek.com Xeltek http://www.xeltek.com/product/programmer/spz.html SuperProZ retails for $249. It is still a parallel interface programmer like most ...
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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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TuningForSmog
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19 Feb 2005 - 22:08 - NEW
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Home.markolson
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How to tune to pass a smog test The situation: We are trying to get our 88CRX B16A swap past the CA smog ref, so tuning for smog is exactly what we are trying to ...
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UPD7004C
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27 Jun 2005 - 10:08 - r1.7
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Home.1net
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The NEC UPD7004C is an ADC chip found in OBD0MPFI ECUs. Documentation on it was very hard to find. :) We looked and googled for months, and then finally I emailed ...
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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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UberP72
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17 Feb 2004 - 09:24 - NEW
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Home.tungsten2k
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UberP72 is a any P72 based ROM that has been modified to be used with UberDataERM . Please add only addresses that are specific to this implementation! All standard ...
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WebHome
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30 Mar 2007 - 22:03 - r1.26
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Home.racingsky
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Welcome to the PGMFI Library! If at any time you wish to return to this main wiki page, click the Project PGMFI logo. THIS IS A NEW WIKI ENGINE. PLEASE SEND EMAILS ...
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WhatYouNeed
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11 Apr 2005 - 22:19 - r1.6
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Home.drdisco69
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"Chipping" an ECU means replacing the program running the ECU . Chipping is just slang. What we actually do is program (or "burn") a new bin file to the ROM to replace ...
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Willem
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24 Nov 2005 - 00:08 - r1.4
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Home.4g vtec
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The http://www.willem.org Willem programmer is essentially an open design / open source ROM burner. It is far from a polished design the software was very buggy and ...
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WireHarness
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12 Apr 2006 - 06:13 - r1.3
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Home.Ace0246
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A WireHarness is a term for the connetors and wires that are connected to the ECU. OBD0 , OBD1 and OBD2 all have different connectors and there are different wire ...
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XE5
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19 Feb 2004 - 22:55 - r1.2
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Home.blundar
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88-91 (dates questionable?) Mugen Race platform (ZC) The XE5 code is derived from the PM7- specifically, the PM7-0330 that lacks an O2 sensor. It is a "race only" ...
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Number of topics: 75
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Copyright © 2002-present by the contributing authors. All material on this collaboration platform is the property of the
contributing authors, and is covered by the Non-Commercial Share-Alike License unless explicitly stated otherwise. |
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