#9910: NVMe devices support
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Reporter: korli | Owner: nobody
Type: enhancement | Status: new
Priority: high | Milestone: R1
Component: Drivers/Disk | Version: R1/Development
Resolution: | Keywords: NVMe
Blocked By: | Blocking: 14454
Has a Patch: 0 | Platform: All
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Comment (by cb88):
All M.2 SSD's can optionally support SATA, however it's common for the
faster ones to only support NVME without backward compatibility. Both B
and M key interfaces support Sata, but even then there is no guarantee
that the mobo supports both. I'd imagine in bios emulation of AHCI for
purely NVME devices is almost nonexistant.
B key = 2x PCIE + SATA (you have to check your drive and mobo specs)
M key = 4x PCIE + SATA " "
B+M key = SATA (always as it lacks the PCIE I/O)
An M keyed drive is least likely to support SATA.
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Ticket URL: <https://dev.haiku-os.org/ticket/9910#comment:16>
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