Can't Enable DMA in W2k

[ikaika1]

Ive tried everything, but I can't seem to enable DMA in w2k for my new TDK 12/10/32 and my Toshiba DVD. Ive got UDMA enabled on my first IDE channel, but it wont kick on for the second one. Its definately enabled in my BIOS, but I cant get a good look at the hardware info screen to make sure that the BIOS is detecting them as DMA, it scrolls by too fast, and I cant find the key to pause it anywhere. Its enabled in the pull down, but all I'm getting is PIO. I did the little jumper trick on the TDK, so its not that either . So, Im kinda looking for suggestions, Ive already uninstalled the secondary IDE channel from the device manager, but that didnt work, and I cant find any documents using the search... most peoples problems seem... less unique. Im stuck, any help would be much appreciated.

 

[dcdomain]

What chipset you running? Cuz a lot of people had DMA problems running Athlon chipsets. But since your primary is already enabled... I dunno. For the rest of us, we couldn't get the primary enabled...

 

[ikaika1]

Its a Via chipset... I just checked the boot screen and it appears that the bios only recognizes one IDE device... my primary HD. But I have 2 HDs and they both have UDMA enabled in w2k even though the bios only sees one. Is that right? Should it see my 2nd HD, DVD, and burner too?

 

[Soccer55]

I think DMA in Win2k is either really picky or it has to do with device support. For example, my roommate has a CL Encore 8x DVD that will not operate in DMA mode in Win2k, but in Win 98, it runs in DMA. On my system, my Pioneer 16x DVD runs in DMA in both Win2k and Win 98. Neither of us can figure out why his DVD runs in PIO in Win2k when it runs in DMA in Win2k. Hopefully you can get it working

-Tom

 

[dcdomain]

I see both my harddrives in the bios, but not my TDK burner or Toshiba dvd (same drives! )

Have you downloaded and installed the Via 4 in 1 drivers? Or that busmastering utility? Check this thread for more information:

http://forums.anandtech.com/messageview.cfm?catid=27&threadid=306074

 

[ikaika1]

Yeap, got the 4.25s installed, and that IBM switcher thing worries me, its a DOS thing, and its freaking me out since W2k is completely ignorant of this DOS pheonomenon. BTW its an Abit K7V if that means anything. Oh, does anyone know how to flash a bios under W2k? Maybe thats the problem...

 

[ikaika1]

Uh... I installed the Via 4.26's and now there is no DMA anywhere... I cant find the setting, and my DVD and CDRW are maked as SCSI? Whats up with that?

 

[ikaika1]

bump?

 

[Bartman]

My computer at wrork is an IBM with a VIA chipset and I have that EXACT same burner.

I COULD NOT get dma to work with the via bus drivers. It would lock up and go nuts. Uninstall them and try it.
BTW I love that burner, I go nuts at home with my poor 4x

Bart

 

[dcdomain]

ikaika1 They marked as SCSI now huh? That means they worked... any performance increase??? All my drives are marked as SCSI now and they are a little faster. In addition, my BIOS now labels them as DMA during bootup.

 

[ikaika1]

But theyre not SCSI... Thats what I want then? Even my hard drives are marked SCSI... is that ok? Wont my burning software try to interact with the thing thinking its SCSI and not IDE? Arg... this is crazy. What do you want me to do with the VIA bus drivers? I installed the generic ATA bus driver but it kept reinstalling itself over and over. Now Im really confused...

 

[ikaika1]

bump...

 

[dcdomain]

Uhm... forget the Via drivers, guess you don't need them if your system displays as scsi drives. I'm not sure why it does that, but someone explained to me in that link thread that if the install was successful, your system will read it as scsi...

 

[ikaika1]

Can i use that soltek driver even if i have a slot athlon... seems that it installs a SCSI controller that steals my primary IDE channels IRQ and screws everything up... but it works fine and the utility reports DMA mode on the drives, but w2k does not. Now Im REALLY confused.

 

[JewishDoctor]

heh, my roomate had a problem w/ his A7V, and Epox KXA Athlon boards... where in if he had the DVD drive on the same chain as his burner DMA was a no go... You might want to check that out. This all was under win98.

BTW, doesn't win2k automatically enable DMA?

 

[ikaika1]

Nope it doesnt, otherwise i wouldnt have 90% CPU utilization when burning... Anyway this is a slotted athlon board, and after installing those socket A drivers I cant uninstall them... now I think Im screwed

 

[Jgtdragon]

Just go to device manager
Delete the second ide controller
Reboot
Let Win2k reinstall the second ide controller
Now set it to dma and reboot
This worked for me
Good luck.

 

[ikaika1]

Heh, tried that about 7 times, thats always been a no go for me.

 

[ikaika1]

^^^

 

[ikaika1]

?

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Maybe I should give up, no?