Hi I am currently having a very difficult time with a computer I just put together It is a SFF PC "MiniQ" with the SIS651 Chipset. The problem I am having is that my Maxtor 80GB HDD is reverting to PIO mode on Windows XP Pro slowing the system down extremely bad. I have installed the SIS bus mastering Driver ide202, and even tried the ide203 which was just released today. I have tried everything I can think of to fix it and scoured several forums and searched online for solutions but to no avail. Here is what I have tried
[*]I read in one post to uninstall the Primary IDE channel because when WinXP gets so many errors in DMA mode it reverts back to Pio so if you uninstall it it resets it. So I uninstalled the Primary IDE channel and when I reboot it shows it is Back in UDMA 6 mode, but then Windows says finished installing new hardware reboot the machine so i do and it is reset back to pio.
[*]I changed cables
[*]In device manager I set it to PIO only rebooted set it back to DMA if available and rebooted still says in pio mode
Finally I tried unhooking my DVDRW drive which shows as UDMA mode 2 by the way and i reset the machine and my HDD reads correctly at UDMA 6 so I though maybe my mobo was conflicting with the DVDrw drive (Pioneer DVR-105) so I uninstalled the secondary channel and hooked a Liteon CDRW drive up booted up and HDD is back in PIO so it looks like whenever anything is in the Secondary channel the Primary reverts to PIO. The HDD and DVDRw are both in cable select jumper setting and I have tried all the various jumper settings also.
So does anyone out there know a patch or a solution or has had the same problem. Is it even possibly a hardware problem with the mobo.(by the way DMA is enabled in BIOS but I have no force DMA option in Bios). Any help would be greatly greatly appreciated.
[*]I read in one post to uninstall the Primary IDE channel because when WinXP gets so many errors in DMA mode it reverts back to Pio so if you uninstall it it resets it. So I uninstalled the Primary IDE channel and when I reboot it shows it is Back in UDMA 6 mode, but then Windows says finished installing new hardware reboot the machine so i do and it is reset back to pio.
[*]I changed cables
[*]In device manager I set it to PIO only rebooted set it back to DMA if available and rebooted still says in pio mode
Finally I tried unhooking my DVDRW drive which shows as UDMA mode 2 by the way and i reset the machine and my HDD reads correctly at UDMA 6 so I though maybe my mobo was conflicting with the DVDrw drive (Pioneer DVR-105) so I uninstalled the secondary channel and hooked a Liteon CDRW drive up booted up and HDD is back in PIO so it looks like whenever anything is in the Secondary channel the Primary reverts to PIO. The HDD and DVDRw are both in cable select jumper setting and I have tried all the various jumper settings also.
So does anyone out there know a patch or a solution or has had the same problem. Is it even possibly a hardware problem with the mobo.(by the way DMA is enabled in BIOS but I have no force DMA option in Bios). Any help would be greatly greatly appreciated.
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