ASRock 939 Dual SATAII Sync CPU and PCI-E?

Discussion in 'ASRock' started by NewsReeder, Nov 3, 2005.

  1. NewsReeder

    NewsReeder Guest

    My asrock has the option in bios the Async or Sync the cpu and PCI-e. What
    in tarnation does that do? This is not a bad board, but some options are not
    clear. Anybody out there running one?
    NewsReeder, Nov 3, 2005
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  2. NewsReeder

    Rewd-dog Guest

    Yeah - Ive had one for about 6 weeks now - average board - if youve got
    the cash the ASUS AN8 Deluxe is a better overclocking board - but i
    didnt have the cash at the time.

    The sync /Async relates to the Front side Bus (FSB) and the PCI Clock -
    if you sync your FSB and increase to say 220Mhz (20Mhz increase as
    200Mhz is standard on this board) the PCI clock increase from 66Mhz to
    70Mhz or so.

    This can be a problem with the AGP and PCI graphics card as they are
    sensitive to small increases on the bus. This may lead to boot /
    overheat problems.

    The best thing if you want to overclock is to Async your FSB and PCI -
    which means that although you increase your fsb the pci will lock at
    Rewd-dog, Nov 30, 2005
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