Can I boot from my SCSI hard drive with an IDE/EIDE drive installed?

The system with a bootable hard drive on an IDE/ATA controller in most computer systems. Most new BIOS’ have a SCSI Boot Sequence (option) setting. Some combo SCSI/IDE cards will allow the reverse or some add-in secondary IDE cards will allow the SCSI to boot first.

You can see the motherboard’s reference manual or manufacturer’s website for options in the boot sequence.