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  2. F6 disk - Wikipedia

    en.wikipedia.org/wiki/F6_disk

    F6 disk is a colloquial name for a floppy disk containing a device driver that enables Windows Setup to install Microsoft Windows on storage devices based on SCSI, SATA, or RAID technologies. All versions of the Windows NT family prior to Windows Vista required F6 disks.

  3. List of discontinued x86 instructions - Wikipedia

    en.wikipedia.org/wiki/List_of_discontinued_x86...

    The TBM instructions are all encoded using the XOP prefix. They are all available in 32-bit and 64-bit forms, selected with the XOP.W bit (0=32bit, 1=64bit). (XOP.W is ignored outside 64-bit mode.) Like all instructions encoded with VEX/XOP prefixes, they are unavailable in Real Mode and Virtual-8086 mode.

  4. Advanced Host Controller Interface - Wikipedia

    en.wikipedia.org/wiki/Advanced_Host_Controller...

    Some operating systems, notably Windows Vista, Windows 7, Windows 8, Windows 8.1 and Windows 10, do not configure themselves to load the AHCI driver upon boot if the SATA controller was not in AHCI mode at the time the operating system was installed. Although this is an easily rectifiable condition, it remains an ongoing issue with the AHCI ...

  5. Hard disk drive interface - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive_interface

    The earliest versions of these interfaces typically had an 8 bit parallel data transfer to/from the drive, but 16-bit versions became much more common, and there are 32 bit versions. The word nature of data transfer makes the design of a host bus adapter significantly simpler than that of the precursor HDD controller.

  6. FLAGS register - Wikipedia

    en.wikipedia.org/wiki/FLAGS_register

    The FLAGS register is the status register that contains the current state of an x86 CPU.The size and meanings of the flag bits are architecture dependent. It usually reflects the result of arithmetic operations as well as information about restrictions placed on the CPU operation at the current time.

  7. Vortex86 - Wikipedia

    en.wikipedia.org/wiki/Vortex86

    Introduced in May 2012, the Vortex86DX2 retains the same BGA package, CPU core, and GPU as the MX+. The memory controller allows 32-bit access to DDR2 up to 2 GB at 400 MHz. [28] The SoC drops conventional PCI capability and adds PCI Express 1.0 interface; SATA with one port at 1.5 Gbps; nine FIFO UART ports compatible with 16C550/16C552 at up ...

  8. x86 memory models - Wikipedia

    en.wikipedia.org/wiki/X86_memory_models

    Four registers are used to refer to four segments on the 16-bit x86 segmented memory architecture. DS (data segment), CS (code segment), SS (stack segment), and ES (extra segment). Another 16-bit register can act as an offset into a given segment, and so a logical address on this platform is written segment:offset, typically in hexadecimal ...

  9. x86 Bit manipulation instruction set - Wikipedia

    en.wikipedia.org/wiki/X86_Bit_manipulation...

    While what these instructions do is similar to bit level gather-scatter SIMD instructions, PDEP and PEXT instructions (like the rest of the BMI instruction sets) operate on general-purpose registers. [12] The instructions are available in 32-bit and 64-bit versions. An example using arbitrary source and selector in 32-bit mode is: