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#1
March 27th 03, 03:14 AM
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PIO - DMA HD Woes
I dual-boot 2k & XP.
One old IBM 22GXP connected to controller on motherboard runs as Ultra DMA Mode in Windows 2000, but as PIO in XP. 440BX2 chipset Micron, Intel 82371AB/EB PCI Bus Master IDE controller, latest (HA HA) BIOS. ACPI Auto Detection both OS's, greyed (can't change). How to get UDMA in XP? TIA, Winnie 
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#2
March 27th 03, 03:37 AM
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PIO - DMA HD Woes
Go to www.google.com and type "Intel UDMA Driver" in the search window. See
what you can find! "Winnie" wrote in message ... I dual-boot 2k & XP. One old IBM 22GXP connected to controller on motherboard runs as Ultra DMA Mode in Windows 2000, but as PIO in XP. 440BX2 chipset Micron, Intel 82371AB/EB PCI Bus Master IDE controller, latest (HA HA) BIOS. ACPI Auto Detection both OS's, greyed (can't change). How to get UDMA in XP? TIA, Winnie
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#3
March 27th 03, 03:41 AM
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PIO - DMA HD Woes
I think you have to go to the Primary and secondary controller section of
device manager under IDE ATA/ATAPI controllers. Double click the primary and secondary channels, Advanced settings, transfer mode. set to DMA if available. you will get a warning, just click OK. -- Ed Chatlos NRA "Winnie" wrote in message ... I dual-boot 2k & XP. One old IBM 22GXP connected to controller on motherboard runs as Ultra DMA Mode in Windows 2000, but as PIO in XP. 440BX2 chipset Micron, Intel 82371AB/EB PCI Bus Master IDE controller, latest (HA HA) BIOS. ACPI Auto Detection both OS's, greyed (can't change). How to get UDMA in XP? TIA, Winnie
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#4
March 27th 03, 05:47 AM
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PIO - DMA HD Woes
Also you can remove the controller and reboot to force a re-detection. XP
will automatically revert to PIO if there are errors detected. "Ed Chatlos" edchat at bellsouth dot net wrote in message ... I think you have to go to the Primary and secondary controller section of device manager under IDE ATA/ATAPI controllers. Double click the primary and secondary channels, Advanced settings, transfer mode. set to DMA if available. you will get a warning, just click OK. -- Ed Chatlos NRA "Winnie" wrote in message ... I dual-boot 2k & XP. One old IBM 22GXP connected to controller on motherboard runs as Ultra DMA Mode in Windows 2000, but as PIO in XP. 440BX2 chipset Micron, Intel 82371AB/EB PCI Bus Master IDE controller, latest (HA HA) BIOS. ACPI Auto Detection both OS's, greyed (can't change). How to get UDMA in XP? TIA, Winnie
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#5
March 27th 03, 06:37 AM
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PIO - DMA HD Woes
Thanks Dan G, that worked!
Drive now at UDMA in both 2k & XP. Transfer speeds 70 - 100% faster in XP, even beat 2k on one test! Hope XP does not "detect errors" and slow it back down (knock on wood). :-) "Dan G" wrote in message ... Also you can remove the controller and reboot to force a re-detection. XP will automatically revert to PIO if there are errors detected. "Ed Chatlos" edchat at bellsouth dot net wrote in message ... I think you have to go to the Primary and secondary controller section of device manager under IDE ATA/ATAPI controllers. Double click the primary and secondary channels, Advanced settings, transfer mode. set to DMA if available. you will get a warning, just click OK. -- Ed Chatlos NRA "Winnie" wrote in message ... I dual-boot 2k & XP. One old IBM 22GXP connected to controller on motherboard runs as Ultra DMA Mode in Windows 2000, but as PIO in XP. 440BX2 chipset Micron, Intel 82371AB/EB PCI Bus Master IDE controller, latest (HA HA) BIOS. ACPI Auto Detection both OS's, greyed (can't change). How to get UDMA in XP? TIA, Winnie
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