Date: Mon, 12 Apr 2021 23:28:50 +0300 From: Yuri Pankov <yuripv@yuripv.dev> To: current@freebsd.org Subject: "ahci0: AHCI v1.30 with 6 6Gbps ports" while only 2 of those are SATA3 Message-ID: <5cf3b854-3efb-f4f4-ff2a-0585b68cb359@yuripv.dev>
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That is on somewhat older Supermicro X9DRI-LN4F+ board: ahci0: <Intel Patsburg AHCI SATA controller> port 0x9050-0x9057,0x9040-0x9043,0x9030-0x9037,0x9020-0x9023,0x9000-0x901f mem 0xdfa21000-0xdfa217ff irq 18 at device 31.2 numa-domain 0 on pci0 ahci0: AHCI v1.30 with 6 6Gbps ports, Port Multiplier not supported and then I was confused by messages about SATA3 drives connected to ports 2-5 (see the "transfers" line): ada1 at ahcich2 bus 0 scbus2 target 0 lun 0 ada1: <WDC WD40PURZ-85AKKY0 80.00A80> ACS-3 ATA SATA 3.x device ada1: Serial Number WD-WX32D7088CCV ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada1: Command Queueing enabled ada1: 3815447MB (7814037168 512 byte sectors) Checking the board manual made it clear than only ports 0-1 are SATA3, and 2-5 are indeed SATA2. While the issue is purely cosmetic, I wonder if it's possible to print real port speeds for the controller, i.e. if this information is available to driver?
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