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DRB III Reverse Engineering Project
Here is a link to the June 1996 Mastertech Video for the PEP module. ~38 min. This should cover the same info that was in the above pictured booklet, eliminating the need to track down a hard copy. The section covering the gas analyzer and inclinometer starts at 24:05 "The DRB III becomes a...- Mumbles05
- Post #15
- Forum: General Viper Discussion
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DRB III Reverse Engineering Project
This is the bottom board (2 variations of it side by side). The picture got cut off a bit. It sits below the ‘mid board’ and connects to it via risers. It has the PEP connector on it (Peripheral Expansion Port), the PCMCIA card slot and a variety of other important looking IC’s that I haven’t...- Mumbles05
- Post #12
- Forum: General Viper Discussion
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DRB III Reverse Engineering Project
This is the ‘mid board’ (2 variations of it side by side) and appears to handle the serial and GPIB communicates. It also has a fair amount of RAM and Memory on it. It sits directly below the main board and connects to it electrically via 3 risers.- Mumbles05
- Post #11
- Forum: General Viper Discussion
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DRB III Reverse Engineering Project
This is the top board in the DRB 3. This is the primary ‘CPU board’ and has the interface for the LCD, Keypad and Vehicle cable. A very small board not pictured sits on top of this and handles the DVOM functions.- Mumbles05
- Post #10
- Forum: General Viper Discussion
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DRB III Reverse Engineering Project
The patents also had some good information so are worth a read. The first 2 are for the DRB 3. The last one seems to be for the DRB 2 but may contain some additional useful info. https://patents.google.com/patent/US6181992B1/ https://patents.google.com/patent/US5541840A/...- Mumbles05
- Post #9
- Forum: General Viper Discussion
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DRB III Reverse Engineering Project
Here are pictures of the front and back of the PEP PCB. I do not have the master tech issue pictured below that; just those two pictures.- Mumbles05
- Post #8
- Forum: General Viper Discussion
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DRB III Reverse Engineering Project
I do know the DRB 3 OS is “pSOS+” the + sign is part of the name. The pep tools programming is on the supercard 2 PCMCIA card. The PCMCIA card contains all of the software needed for the vehicles and functions it covers. When doing something that requires the supercard 2, the DRB 3 does a warm...- Mumbles05
- Post #6
- Forum: General Viper Discussion
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DRB III Reverse Engineering Project
I don’t have accesses to anything to capture the signal nor do I have the sensor but I do have several DRB 3’s. I will try to upload some pictures of the PCB inside the PEP module later (assuming I am allowed) so that you can see what it’s connecting to inside the DRB 3. The guts of the DRB 3...- Mumbles05
- Post #4
- Forum: General Viper Discussion
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