bloody new pc

kay so i was dual booting linux and linux before i got my new computer... this computer has a SATA drive i do believe and i installed an extra IDE drive to install linux on... i installed it as normal and rebooted. When the computer started to boot and normally by then it would have a choice between wondows and Linux but it does not. It just boots straight into windows as normal... How do i configure my pc so i can see this boot menu once more?

changed the boot device in the BIOS to the IDE HDD and it comes up with the options as normal.. Simple really, and nothing to do with Linux