[topgear]

Install Your 160GB HDD as MASTER & 40GBHDD as SLAVE on the primary IDe
channel ie IDE1. See your mobos manual to find IDE1 or primary IDE channel.
You have to set the jumpers of the HDDs properly for this.Check if your mobos
bios detects them properly. If not then clear your mobos CMOS setting by the mobos
jumper. Consult your motherboard manual for this. Now install XpSp2 integrated
freshly into the 160GB HDD. After installation don't install Intel chipset driver or
IAA from your mobos CD or any other place.

Open "System Properties" by right clicking in the "My Computer"
& select properties. or pressing windows_key+pause/Breake on the keyboard.
Go to hardware>device manager>IDE ATA/ATAPI Controllers. You should see a pic like this: Seee Image No ie Attachment No::1

select Primary IDE Channel &
double click on it. in the advanced settings box check if DMA mode is on. you should see
the picture something like this: See Image No ie Attachment No:2

if you see pio only then set them to DMA if Available. click ok and reboot.
your problem should be solved.

NOW INSTALL ONLY THE GRAPHICS DRIVER & SOUND DRIVER.
NEVER ISTALL INTEL CHIPSET DRIVER or IAA IF YOU YOUR OS IS WINXPSP2 In Intel 845 Chipset Family