Added an internal HDD to dual boot hackintosh; works on win10, not on mojave

I have a fully working desktop hackintosh that has ethernet, working usb ports that recognise external drives etc. I added a 500gig hdd to my system on one of the sata ports. The drive shows up in win10 and I have moved files into it ,to use as data disk. But when I boot into Mojave, I don't even see it listed under ''All volumes and devices".

The added drive is GPT, formatted into exFAT and NTFS partitions. Using opencore. Opencore doesn't list the hdd during bootmenu as there is no EFI partition on the 500 gig drive.

Thanks for any help !

submitted by /u/meanagray
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