I have a old Fortigate 100D when i connect it via console i get Initalized boot device failed

RAM activation
CPU(00:000106ca bfebfbff): MP initialization
CPU(01:000106ca bfebfbff): MP initialization
CPU(02:000106ca bfebfbff): MP initialization
CPU(03:000106ca bfebfbff): MP initialization
Total RAM: 4096MB
Enabling cache...Done.
Scanning PCI bus...Done.
Allocating PCI resources...Done.
Enabling PCI resources...Done.
Zeroing IRQ settings...Done.
Verifying PIRQ tables...Done.
Boot up, Initialize boot device failed.

Changed Different Hard drives and still same error I cannot even get to the tftp configuration to install the latest OS

Anyone have any insight about this error?