Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/35071 )
Change subject: mb/asrock/h110m: disable unused sata ports ......................................................................
Patch Set 9:
(1 comment)
https://review.coreboot.org/c/coreboot/+/35071/2/src/mainboard/asrock/h110m/... File src/mainboard/asrock/h110m/devicetree.cb:
https://review.coreboot.org/c/coreboot/+/35071/2/src/mainboard/asrock/h110m/... PS2, Line 181: [0] = 1, \ : [1] = 1, \ : [2] = 1, \ : [3] = 1, \ : [4] = 1, \ : [5] = 1, \
SATA4 and SATA5 ports are on the motherboard, but there is no connector for these ports. […]
Alright, thank you. I believe the same PCB can be used with other Sunrise Point PCHs which have more SATA ports, hence the missing connector. I have a dead MSI board with the same thing :)