Professional Hardware PC Diagnostics Tools from Ultra-X, Inc.

PHD PCI is the first and only complete hardware diagnostics card to test memory, cpu testing, hard drive testing and motherboard troubleshooting.

Ultra-X, Inc.- Professional PC Diagnostic Tools Computer Repair Tools Technician Certified Diagnostic Tools Burn-In Software Windows based Stress Testing Memory / RAM Test


R.S.T. Pro3 is the definitive memory diagnostic and validation tool designed for the rigorous testing needs of desktop & server memory manufacturers, system builders, design engineers, and service professionals. Powerful new features and advanced functionality make R.S.T. Pro3 the most comprehensive memory validation tool of its kind. R.S.T. Pro3 is the tool of choice for numerous industry professionals who want to quickly and accurately test and validate memory in all Desktop, Workstation and Server PC’s incorporating an Intel or AMD x86 compatible 32/64-bit single/multi-core processor.

R.S.T. Pro3 performs the most comprehensive tests available for both Base and Extended Memory (up to 64 gigabytes). Utilizing over 100+ different test patterns, both standard and proprietary algorithms, R.S.T. Pro3 provides a graphic display to pinpoint the exact location of memory failures. R.S.T. Pro3 supports the latest SIMMs, DIMMs, RIMMs,(SDRAM 66-133, DDR-266/333/366//400/466/500, DDR2-533/667/800/1066, DDR3-1066,1333,1600,1800,2000, RDRAM(RAMBus), SRAM, ECC, FB-DIMM, Parity and Non-Parity) memory technologies.

Ultra-X’s Self-Boot Technology allows R.S.T. Pro3 to boot and test system memory without the interference of any memory drivers, TSRs, Operating System limitations, or Windows protected mode. R.S.T. Pro3 runs complete testing in its own protected mode which can thoroughly test up to 64 gigabyte of memory. Exclusive protected access also means testing can be run at the maximum possible speed.

R.S.T. Pro3 is one of the fastest, robust, and accurate memory diagnostic and verification tools available on the market today. Whether you design & manufacture memory modules, build or repair systems, R.S.T. Pro3 tests and validates with the same commitment to quality, compatibility and reliability.

  • R.S.T. PRO Advantage - Memory is one of the most notoriously difficult core system functions to troubleshoot, exercise, and validate. PC’s are not only being equipped with increasingly large amounts of RAM but their often complex system hardware and software configurations can make it even more difficult to determine if a problem is truly a RAM failure. Such problems vary with different combinations of chipsets, processors or motherboards. R.S.T. Pro3 capabilities far exceed those of stand-alone testers in meeting all of these challenges.
  • Behavioral Testing - Many memory manufacturers first test memory chips on a traditional ATE(Automatic Test Equipment) and then assemble them into modules. Although most ATE systems are great at catching Logical and Parametric Failures, they have no reliable way of replicating Behavioral Failures. This means that it is possible for a memory module to pass through the entire test process and still fail in the field. Therefore, ATE testers do not have the best possible fault coverage.
    R.S.T. Pro3 identifies memory defects that may have passed every usual manufacturing test, but which can still fail in normal use. A major advantage of R.S.T. Pro3 compared to stand alone testers, is the capability of testing and validating RAM within the system environment, testing for Behavioral failures that are sensitive to system idiosyncrasy. Quickly isolate intermittent failures that do not necessarily prevent a system from booting, but surface during extended testing sessions.
  • Small but Robust Program Size - R.S.T. Pro3’s powerful memory package is small in program size allowing the firmware to load itself into the least amount of memory possible. This allows for true low-level testing of RAM starting at memory address 2k exercising the complete range of a computer’s RAM.
  • Memory Test Algorithms - There are many good approaches for testing memory. However, many tests simply throw various patterns at memory without much thought or knowledge of memory architecture. As Tier 1 partners with industry leading manufacturers, Ultra-X is able to continuously develop new sophisticated proprietary memory test algorithms to locate the most evasive memory failures. R.S.T. Pro3 has the broadest range of algorithms, for current and future memory chip technologies.
  • Self-Boot Technology - R.S.T. Pro3 directly executes using Ultra-X’s exclusive Self-Boot Technology™ eliminating interference from memory drivers, TSRs, O/S limitation, and all other software layers. Utilizing direct hardware to hardware access commands, R.S.T. Pro3 is able to perform true precise low-level memory testing and validation.
All of these factors make R.S.T. Pro one of the best, accurate, and fastest ways to validate system RAM and it’s also the reason why R.S.T. Pro successfully resolves RAM problems in many environments where standalone testers fail.
  • Test & Validate Prototype & Production Memory
  • Minimize unneccessary RMA returns due to NTF/NDF (No Trouble/Defect Found) Issues
  • Reduce Support & Warranty Costs
  • Improve Customer Satisfaction & Confidence
  • Flash Upgradable to Support Future Memory Technology