HWDIRECT HWDIRECT is an advanced low-level hardware register access software utility
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HWDIRECT Description

HWDIRECT is a low-level hardware register access toolfor Windows. It allows user to read and modify PC system hardware registers. With current latest version, HWDIRECT encapsulates nine separate tools. They are OSInfo, CPUID Info, PCI Read/Write (Support PCI Express Enhanced Configuration space registers), I/O Read/Write, MSR Read/Write, CMOS Read/Write, Memory Dump, Hex Viewer/Editor, and SMBUS Access. To download HWDIRECT, there are zip version or installer version available. You can either download and unzip the HWDIRECT to a directory then run it from there, or you can download Installer version which provides an easy and fast install/uninstall process. The total package size of HWDIRECT is less than 1M Bytes. You can fit it to a single floppy disk and run it from there. Detail Infomation for individual tool: ￭ OSInfo displays current operating system information, including major version, minor version, build number and service pack version. ￭ CPUID Info provides CPUID instruction information. It supports Multi-Processor system. ￭ PCI Read/Write is used to access PCI config space register of all PCI devices. PCI Express (PCI-E) device enhanced configuration space registers can be accessed as well. ￭ I/O Read/Write is used to access I/O port. This includes direct I/O access and index I/O access. ￭ MSR Read/Write is used to access CPU MSR. It supports Multi-Processor system. Common CPU MSR includes MTRR and IORR. All x-86 CPU MSR are supported by this tool. ￭ CMOS Read/Write is used to access CMOS data area located in chipset. ￭ Memory Dump is used to access physical memory and memory mapped registers. ￭ Hex Viewer/Editor is used to edit file in hex mode. ￭ SMBUS Access is used to access registers of smbus devices (Currently only INTEL chipset is supported.) One usage is to read and write memory SPD data. Limitations: ￭ 30 days trial

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