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Netstor NA255A User Manual

Performance desktop pcie 3.0 x16 (128gbps) upstream port pci-express expansion enclosure particularly design for gpu cards (available up to 4* double width pcie gen3 slots)
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NA255A
Performance Desktop PCIe 3.0 x16 (128Gbps) upstream port PCI-Express
expansion enclosure particularly design for GPU cards
(Available up to 4* double width PCIe Gen3 slots)
User Manual
First edition, Dec. 2017

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Summary of Contents for Netstor NA255A

  • Page 1 NA255A Performance Desktop PCIe 3.0 x16 (128Gbps) upstream port PCI-Express expansion enclosure particularly design for GPU cards (Available up to 4* double width PCIe Gen3 slots) User Manual First edition, Dec. 2017...

  • Page 2: Table Of Contents

    2.2 Slot Board Layout 2.3 Switches Function and Location on NA255A Slot Board 2.4 LED Status on Host card and Target card 3. Install Graphics/PCIe Cards in NA255A 3.1 Procedure for Card Installation 3.2 Cooling Fan Speed Adjustment 4. Powering On/Off NA255A 5.

  • Page 3: Expansion Chassis Description

    2. Buzzer mute button 1. Power on/off LED button 。Blue - power on Note: when at powering on/off NA255A manually mode, to power on/off NA255A, hold the power LED button for two seconds until the LED button shows blue light or off.
  • Page 4 。One port is marked with ×8 for lane 1~8; the other port is marked with ×16 for lane 9~16. Make straight cable connection between target card in NA255A and host card in computer with mark ×8 to ×8, and ×16 to ×16. Do NOT make cross cable connection.

  • Page 5: Slot Board Layout

    2.2 Slot Board Layout 5. Slot 5 : PCIe ×16 connector (×8 signal) 4. Slot 4 : PCIe ×16 connector (×8 signal) 3. Slot 3 : PCIe ×16 connector (×8 signal) 2. Slot 2 : PCIe ×16 connector (×8 signal) 1.

  • Page 6: Switches Function And Location On Na255A Slot Board

    Go Back to 4. SW2-1 。To set NA255A power on/off by host computer, turn SW2-1 switch to ON position. (default) 。To set NA255A power on/off manually, turn SW2-1 switch to OFF position. ※ SW2-1 and SW2-2 switches are near slot 5 on backplane.

  • Page 7: Led Status On Host Card And Target Card

    2.4 LED Status on Host card and Target card 。LED2 ~ LED6 show solid green light: PCIe x16 connection between computer and NA255A is linked 。LED3 ~ LED6 show solid green light: PCIe x8 connection between computer and NA255A is linked 。LED2 ~ LED6 no light: PCIe connection between computer and NA255A is NOT linked...

  • Page 8: Install Graphics/Pcie Cards In Na255A

    Two conditions A and B for connection are listed below: If computer’s PCIe slot to be linked with NA255A is PCIe 3.0 ×16 or PCIe 3.0 x8, you don’t need to make any change to the switch setting on NA255A slot board because NA255A is already set to work with computer’s PCIe 3.0 x16/x8 slot by default.
  • Page 9 3. Remove the L shape metal bracket at rear of NA255A by loosening the screw on metal bracket. 4. Install one graphics/PCIe card into the PCIe ×16 slot in NA255A and tighten the card with screw. 5. Each graphics card in NA255A is provided with supplementary 6+2 pin and 6-pin PCIe power cables for sufficient power.
  • Page 10 NOTICE When long length and heavy weight graphics card is to be installed in NA255A, it’s strongly recommended the graphics card holder is also installed to add stability to GPU card within the chassis. The procedure for card holder installation is given as follows: (A) Hold the included graphics card holder.
  • Page 11 7. Connect one end of two data cables to PCIe connectors at rear of NA255A, and connect the other end of two data cables to PCIe connectors on NP970AG3-H host card in computer. Host - Red LED Note: Make straight cable connection between target card NP970AG3-H Host card in NA255A and host card in computer with mark ×8 to ×8,...

  • Page 12: Cooling Fan Speed Adjustment

    3.2 Cooling Fan Speed Adjustment 1. There are two hot-swappable 120×120×25 mm cooling fans for ventilation inside NA255A. The cooling fans can be drawn out by pulling the L type metal handle on the fan modules. 2. The front 120×120×25 mm cooling fan speed can be adjusted. Pull out the fan module, there are four sets of jumpers labeled with 6V, 8V, 10V, 12V from top to bottom on the fan connector board.

  • Page 13: Powering On/Off Na255A

    4. Powering On/Off NA255A When NA255A is set for powering on/off by host, the NA255A will be automatically powered on and off with the host computer. (Default) If NA255A is set for powering on/off manually, the standard powering on/off procedure (go to Section 2.3,...

  • Page 14: Verification

    Then open PCI Express Root Port >> PCI standard PCI-to-PCI bridge. The graphics/PCIe cards in NA255A will appear under the PCI standard PCI-to-PCI bridge. 3. There will be PCI Express Root Ports with different ending numbers like 1C10, 1C18, and 1C1A.
  • Page 15 4. No software or driver is required for NA255A itself. As a graphics/PCIe card is in NA255A, the request for the driver of the graphics/PCIe card will be prompted at operating system. Please follow the driver installation instructions given by the manufacturer of the graphics/PCIe card.

  • Page 16: Macos / Tower Mac Pro

    About This Mac. 2. As pane of About This Mac pops up, click System Report. 3. Click PCI in the left column. It will show four pci-bridges that indicate the four PCIe slots in NA255A in the information field. Go Top ↑...
  • Page 17 4. As graphics/PCIe cards are installed in NA255A, the graphics/PCIe cards will appear below the four pci-bridges. 5. After graphics/PCIe cards’ drivers are installed on macOS, the graphics/PCIe cards in NA255A will be ready to work with tower Mac Pro.

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