The P4M800 PRO-M7 manual
Page 22
...." System does not boot from hard disk 2. Hard disk can be read and applications can be used but booting from hard disk 1. Review system's equipment. Run SETUP program and select correct drive types. System inoperative. Backing up data and applications files. System only boots from optical.../slave jumpers correctly. 2. Make sure both ends of breaking down firmly until the module snaps into place. P4M800 Pro-M7 4.3 TROUBLESHOOTING Problem Solution 1. Replace cable. Contact technical support. 2. Reformat the hard drive. Using even pressure on .
...." System does not boot from hard disk 2. Hard disk can be read and applications can be used but booting from hard disk 1. Review system's equipment. Run SETUP program and select correct drive types. System inoperative. Backing up data and applications files. System only boots from optical.../slave jumpers correctly. 2. Make sure both ends of breaking down firmly until the module snaps into place. P4M800 Pro-M7 4.3 TROUBLESHOOTING Problem Solution 1. Replace cable. Contact technical support. 2. Reformat the hard drive. Using even pressure on .