玄人志向 USB3.0-PCIE-P2H2：Renesas社製 μPD720201搭載 USB3.0

2017/1/26

PCでの認識状況は

02:00.0 USB controller: Renesas Technology Corp. uPD720201 USB 3.0 Host Controller (rev 03)

$ Linux arch 4.8.13-1-ARCH #1 SMP PREEMPT Fri Dec 9 07:24:34 CET 2016 x86_64 GNU/Linux

$ hdparm -ft /dev/sdh3

追加USB3.0カードより接続

/dev/sdh3:

Timing buffered disk reads: 132 MB in 3.01 seconds = 43.79 MB/sec

$ hdparm -ft /dev/sdh3

PCマザーボードUSB2.0ポートより接続

/dev/sdh3:

Timing buffered disk reads: 98 MB in 3.02 seconds = 32.41 MB/sec

効果はいくらかあるようだが体感できない(笑)

念の為に

$ lsusb -t

/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M

|__ Port 4: Dev 2, If 0, Class=Hub, Driver=hub/4p, 5000M

/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M

|__ Port 4: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M

/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M

|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M

|__ Port 2: Dev 9, If 0, Class=Mass Storage, Driver=usb-storage, 480M

|__ Port 3: Dev 3, If 0, Class=Mass Storage, Driver=usb-storage, 480M

|__ Port 5: Dev 4, If 0, Class=Vendor Specific Class, Driver=, 12M

|__ Port 6: Dev 5, If 0, Class=Hub, Driver=hub/4p, 480M

|__ Port 3: Dev 8, If 0, Class=Vendor Specific Class, Driver=, 12M

|__ Port 7: Dev 6, If 0, Class=Mass Storage, Driver=usb-storage, 480M

|__ Port 8: Dev 7, If 0, Class=Mass Storage, Driver=usb-storage, 480M

/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M

|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M

|__ Port 3: Dev 8, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M

— posted by くま at 11:08 am