If you have an old Nero (like 5. probably is), there may be such a problem. Ahead wouldnt offer these tools if they werent necessary under some conditions.
You do not need to disconnect anything but a second drive on the same ide port the writer is on ... but read on:
if your first ide is unused (saw above you have a sata hdd), you may want to connect the writer to the 1st ide and another optical drive to the 2nd, each as master, each on the outer connector of the 2 cables.
BIOS setting "Auto" in all 4 fields should be fine ... you can set unused ports to "None" to speed up the starting/self test/drive discovery a little bit. Setting to "CDROM" for the BenQ/Philips appears to be not necessary to me, a BenQ DW1620 bulk (as I have) is discovered well with "Auto", but I dont know philips fw.
Good luck !
EDIT: If there is a problem with the SATA drivers (possible, only SATA thing I have are 2 power connectors from the PSU ) try to find the latest for your chipset. Try a program like H2Bench / any hdd benchmarking program to find out whether transfer rate to the hdd is sufficient - it should, but old/bad drivers may slow your hdd down.
EDIT 2: With some software like SiSoft Sandra or so you may be able to find out more exactly what brand/chipset your mainboard is - with this info, you can visit either the mobo and/or the chipset makerÂ´s website(s) and look for updated sata drivers, also ide drivers though mostly the M$ own ide stuff works ok (but not necessarily for nvidia nforce mainboards, at least nf2, you will probably have nforce3 with amd64, maybe the same applies to that chipset)