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Cubix Corporation 

 2800 Lockheed Way 

 Carson City, NV 89706-

0713 ● Page 6 

Sales 800.829.0550 

 

http://www.cubix.com

 

 [email protected] 

 xprm8g3-825urp24-20181001 

 
 
 
 

Normal Power On/Off Procedure 

1.  With Rack Mount 8 connected to the host computer and running, shut down the host 

computer normally. 

2.  With Rack Mount 8 connected to the host 

computer and powered down, switch on the 
connected host computer; both Xpander 
and host will boot. 

3.  To run the host PC without Xpander 

connected, power down the host, remove 
power from Xpander and boot the host. 
When you are ready to run Xpander again, 
power down the host, connect power to 
Xpander and boot the host. 

 
 

Front Panel LCD 

Rackmount 8 front panel LCD provides enclosure details and status. Beneath the LCD are three 
buttons: left button scrolls through MIBs, middle button scrolls through the main-menu items and 
right button scrolls through sub-menu items. 
 
When you first connect power, Xpander comes up in standby mode. The LCD displays Cubix on 
the top line and Corporation on the bottom line. This is the Start menu. Access all other main 
menu items by pressing the left button for a MIB, the middle button for a menu selection and 
then the right button for a sub-menu selection. 
 
The upper right corner of the LCD shows a flashing asterisk *. This indicates that the on-board 
Micro-Controller Unit (MCU) is running properly. If the asterisk is not flashing or the LCD is not 
responding, reset the MCU by pressing and holding the left button for 3 seconds while Xpander 
is running. A corresponding HB (for heartbeat) LED on the MIB also confirms that the MCU is 
working. 
 
When a fault occurs, the LCD will jump to that fault and the LCD backlight will flash on / off. 
Press the left button to acknowledge the fault and the LCD will stop flashing and enable normal 
operation. The LCD will continue to display the fault at the applicable sub-menu until you clear 
the fault. 
 
Menu 1: Start Menu 
 
 

Menu 1 

Sub-menu 1 

Sub-menu 2  

Sub-menu 3 

 
 
 

Main menu 1:  Cubix Corporation 

Warning 

Replace the cover as soon as possible to allow for proper cooling. Do not run Rack Mount 8 

without the cover for more than a few minutes. 

Cubix 

Corporation 

PCB Assembly 

A09180 Rev 1A-0A 

MCU Firmware 

Rel 01 06-20-12 

Serial Number 

10200000 

Summary of Contents for Xpander Rackmount 8 5URP24

Page 1: ...epro W9100 Contact Cubix Customer Service customerservice cubix com if you have questions XPRM8G3 5URP24 provides two sets of four PCIe x16 for a total of eight slots for GPUs for use with high performance computing HPC and other Compute Unified Device Architecture CUDA or OpenCL OpenGL enabled applications Rack Mount 8 also supports other PCIe adapters with multiple Input Output IO ports such as ...

Page 2: ...us x16 cable connected 8 0Gbps 5 0Gbps or 2 5Gbps x16 link speed x16 cable Connected or not connected status Slot 1 8 x16 transfer rate theoretical PCIe Gen 3 0Gbps x16 128 0Gbps LCD panel backlight Toggle on off using right button Storage devices Serial Attached SCSI SAS direct attached with 24 port RAID controller SSD Maximum Devices 24 Drive Format 2 5 inch 63 5mm SSD 3 5 inch 88 5mm SSD Transf...

Page 3: ...d loads device drivers Start up Installation Test Procedure with Detail Each Rack Mount 8 provides two MIBs with four slots for a total of eight PCIe x16 slots The MIB supports either one or two host computers During this procedure place the Rack Mount 8 enclosure on a stable surface Use a Philips 2 screwdriver for this procedure Make sure all AC power to Xpander is disconnected Do not install gra...

Page 4: ...1 Cable LED lights green Proceed to the next step to install adapters 8 Switch off AC power to the host computer Leave the power cords and the external PCIe cables to the host computer connected 9 Disconnect AC power from Xpander MIB or main board in which you plan to install the GPUs 10 Remove the screws for holding down the PCIe card end brackets 11 Install the graphics or other controller s in ...

Page 5: ...n To determine the BusID for the GPU you wish to use as the primary display run the scanpci tool discussed in Step 17 16 Power up the computer s and the Rack Mount 8 to confirm that the appropriate slot link LEDs are lit green which confirms that you have installed a controller correctly in each slot Refer to the appropriate image above to identify slot LEDs 17 Confirm that your operating system O...

Page 6: ...ttom line This is the Start menu Access all other main menu items by pressing the left button for a MIB the middle button for a menu selection and then the right button for a sub menu selection The upper right corner of the LCD shows a flashing asterisk This indicates that the on board Micro Controller Unit MCU is running properly If the asterisk is not flashing or the LCD is not responding reset ...

Page 7: ...b Menu 1 Display the temperature of the 3 temperature sensors in degrees Celsius Note If a temperature sensor fails FLT fault appears under the failed sensor Sub Menu 2 Bridge left Bridge right IC Temperature Range 20C 125C C when power is off Menu 4 Fan Status Menu Sub menu Sub menu Sub menu Submenu Menu 4 Fan Status Sub Menu 1 4 Indicates fan status for fans 1 4 Note Fan speed is controlled by a...

Page 8: ...ard edge Fan Profile JP8 PIC_RB0 JP7 PIC_RB1 Performance Mode 1 2 1 2 Quiet Mode 1 2 2 3 High Performance Mode 2 3 1 2 GPU Mode 2 3 2 3 Fan Profile Guidelines GPU Mode supports 4 x double wide GPUs like NVIDIA Quadro or GTX Series High Performance Mode supports 2 3 double wide GPUs and Performance Mode Performance Mode supports 2 x double wide GPUs Quiet Mode supports 1 x double wide GPU or 4 x si...

Page 9: ...ion Check the following Confirm that the HIC is firmly seated in a PCIe slot within the host computer Confirm that the cable connector is firmly seated HIC connector port Issue Cable LED inside Xpander flashes green even though I have a PCIe x16 HIC and cable Resolution The internal Cable LED should light steady green If the Cable LED flashes it is transferring data at a reduced bandwidth because ...

Page 10: ...wledge the first fault the LCD will jump to the next fault and the LCD backlight will once again flash on off This continues until you clear all faults Resolution Press the MIB button momentarily to identify the MIB with the fault Acknowledge the fault by pressing the Menu button which will either stop the LCD flashing and the LCD will remain at the fault or the LCD will jump to the next fault and...

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