IDE slot on mobo

No_10_Tomas SG

hi any1 knows what is meant by

a hard drive connected to this IDE connector does not support OS installation.
a system hard drive connected to this IDE connector cannot be booted up to OS

means i cannot boot up using a IDE hard drive?? does anyone have a motherboard with this type of IDE connector also??

ndmmxiaomayi SG

First time I hear of such things.

Is there any links (if any) ?

And which OS is that ?