DVD playback problem. (possibly DMA Issue) All VIDEO is choppy~:(

[tm37]

Here the system.

intel 850GB
ATI Radeon 8500 64MB
Toshibia 16X DVD 1502
512MB RAM (RDRAM)

Playback is choppy and then just stops

I ran the DVD trouble shooter and it said to check my DMA settings.

I did that and it was set to PIO Set it to DMA if Availible and it still show that PIO is the transfer protical.

all video is choppy with Media Player!

It worked before I installed ATI's DVD player (the main reson I bought this card!)

 

[altonb1]

Check your BIOS. Sometimes their is an option for PIO Mode or DMA mode, or both. You can try disabling PIO and enabling DMA and see what happens. I also suggest you see what else is running on the system at the same time. If you have a lot of programs running in the system tray, you may be losing processor time to those other apps, which could definitely cause choppy playback.

You did not mention your OS. In win 9x, look at device mgr (windows key/pause, or right click on My Computer and select Properties) and expand the CD-ROM listing. Right click on the DVD drive and select properties. Click on the settings tab and make sure DMA is checked. Also make sure DMA is checked for your hard drive(s) and any other CD drives, too. Shutdown, check your BIOS options, then reboot into Windows and see if that makes a difference.

 

[tm37]

Checked the bios and pio and DMA are both selected.

Device manager ide seconday device 1 (the DVD) DMA if possible is seleced BUT PIO is the current transfer Method.

Running XP and while watching A movie Processor Utilization NEVER goes above 40 percent

The CDRW that is attached to slave on secondary does have DMA (mode5 i think)

 

[altonb1]

I'vehad limited exposure to XP, but you can go back to your BIOS, disable PIO mode there, then reboot. The decide should be redetected as DMA. Not sure if this will fix your problem, but worth a shot. Sine you have DMA devices, you could do that with all of your IDE devices, but then again, XP is based on the NT engine, and I don't know if changing your hard drives would cause Blue Screen or not since you are booting from it.

 

[tm37]

Isabling PIO is not an option, I can mearly pick the pio mode I want to use