can;t disable UDMA :( !!!

Okay... so i grab a new Liteon 24x burner...hook the bad boy up and burn something...lags this p2 300mhz 96mb ram down bodly mon. so i remember that its supports DMA so i goto device manager, check DMA and restart... Now windows won't load with the new liteon drive connected to the ide. I can have the power and stuff in it...but windows won't load completely til the liteon that i enable dma on isn't conected. I tried every combo and solo rig possible. So I say, hmm...maybe I could somehow remove that DMA config in BIOS ( cause the liteon isn't in the device manager b/c the pc won't start with it plugged in). But Oh, I have a Gateway and there are No DMA or UDMA options in the friggin BIOS because they give you a nice custom, hurt-proof BIOS so a baby can't press buttons and destroy your pc, b/c gateway sells to babies. so anyway... i want this badboy liteon to work again and i think i need to disable this UDMA or whatever on my secondary ide controller, but how? somebody PLEEEASE Help me. Thanks!

PS, when it was frozen once while loading windows i unplugged the ide from the liteon and windows started loading, but w/o my fast burner...bitch!

most boards dont allow you to change ide settings, most are autodetect...some of the newer ones like my abit kg7 lets you do that sort of thing but I doubt yours will...but as far as entering the bios im pretty sure that you can...most pc companies have a certain set of keys you hit during start up and you can enter but they just dont show up at start up and it isnt the default delete button....

but as far as enabling or disabling udma mode...if you start in safe mode you can do it like the guy said before...just hit (i think it is f4) and it will give you the option...

if your board supports this then it should run fine...what operating system are you running?....if its windows 95 then you should try to put win 98se on it..