DMA Causes verification errors - Club CDFreaks

exasperated · 21-02-2005

Help. Am having consistent verification errors writing Data DVDs on an NEC 3500AG when DMA enabled. BUT when writing the same data onto the same media type on the same drive using PIO, no errors occur. Error reports are real - validated using Vdata.

Have latest BIOS for DVD (V2.18) also tried using latest VIA IDE support (MB is Epox 8KRA2 using VIA KT600 chipset) instead of XP IDE support, but same problem occurs. Have ried using both IDE channels and with different cables (40 and 80) but problem the same. Have also used variety of media and writing software, but problem always the same - 'DMA enabled' creates errors, 'PIO enabled' does not.

Any thoughts, please?

Ron

G)-(osters · 21-02-2005

Operating system = ?

exasperated · 21-02-2005

Sorry. XP Pro. Ron

*furballi* · 21-02-2005

Remove both IDE channels in Device Manager and reboot. Burn a DVD movie. Make sure all devices are running in DMA mode. Burn a DVD movie using AnyDVD and CloneDVD (download at Slysoft.com). If okay, then the problem is with your burn software. There is no difference between data and movie. Use ISO format when you created data. DO NOT use packet writing software. Also use high quality Made in Japan media and keep the burn speed at 4X when testing.

21-02-2005	#1 (permalink)
exasperated New on Forum Join Date: Feb 2005 Posts: 3	DMA Causes verification errors Help. Am having consistent verification errors writing Data DVDs on an NEC 3500AG when DMA enabled. BUT when writing the same data onto the same media type on the same drive using PIO, no errors occur. Error reports are real - validated using Vdata. Have latest BIOS for DVD (V2.18) also tried using latest VIA IDE support (MB is Epox 8KRA2 using VIA KT600 chipset) instead of XP IDE support, but same problem occurs. Have ried using both IDE channels and with different cables (40 and 80) but problem the same. Have also used variety of media and writing software, but problem always the same - 'DMA enabled' creates errors, 'PIO enabled' does not. Any thoughts, please? Ron

21-02-2005	#2 (permalink)
G)-(osters CD Freaks Die Hard Join Date: Dec 2004 Location: Australia Posts: 1,824	Re: DMA Causes verification errors Operating system = ?

21-02-2005	#3 (permalink)
exasperated New on Forum Join Date: Feb 2005 Posts: 3	Re: DMA Causes verification errors Sorry. XP Pro. Ron

21-02-2005	#4 (permalink)
furballi CDFreaks Resident Join Date: Jan 2005 Posts: 2,257	Re: DMA Causes verification errors Remove both IDE channels in Device Manager and reboot. Burn a DVD movie. Make sure all devices are running in DMA mode. Burn a DVD movie using AnyDVD and CloneDVD (download at Slysoft.com). If okay, then the problem is with your burn software. There is no difference between data and movie. Use ISO format when you created data. DO NOT use packet writing software. Also use high quality Made in Japan media and keep the burn speed at 4X when testing.

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