Problems with speed of my Lite-on LTR-40125S

A couple of months ago, I bought a new cdwriter, the Lite-on LTR-40125S. But till now, the average speed I can write with is about 11.5X. This is with protected and non protected CD’s. The average time for a CD is about 8 minutes for a 700MB CD.
My brother has the same writer, but he can writes 700MB CD’s in less than 3 minutes.
Can somebody helps me?

I have a PC with a AMD Athlon 1400 processor.
I use windows ME and have 512 MB RAM.
On the first IDE, Ihave my harddisk and my DVD player
On the second IDE, I have the cdwriter.
The firmware of the writer is ZS0N.

Can someone explain to me why my writer is slow?

Blackbeard

Is DMA enabled for the drive?
That’s always number one to check when things get slow…

DMA for the drive is enabled.