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PXH840 User’s Guide –

Dolphin Interconnect Solutions

Page 12

Use Case B - 3 Node Configuration

–

NTB Mode

Each node has a PXH840 adapter and a direct x4 or x8 cable connection is used between all systems. All PXH840 adapter cards
operate in NTB mode. The DIP-Switch OPT3 is ON to enable dual port x8 mode.

Connecting the cables for 3 Node Configurations, x8 link

Connect the cables between two nodes as described above, connecting two nodes x8. Connect the third node to the two other
cards using similar rules. Always connect P1 + P2 to P1 + P2 or P3 + P4

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Summary of Contents for PXH840

Page 1: ...PXH840 User s Guide Dolphin Interconnect Solutions Page 1 PCI Express PXH840 Adapter PXH840 NTB and Transparent PCIe Adapter users guide Version 1 0 Date 19th June 2019 ...

Page 2: ...PXH840 User s Guide Dolphin Interconnect Solutions Page 2 ...

Page 3: ...P 6 INSTALLING THE DOLPHIN EXPRESSWARE SOFTWARE 9 STEP 5 VERIFY INSTALLATION 9 OPERATION AND MAINTENANCE 10 CONFIGURATION AND DIP SWITCHES 10 DIP Switch Bank Configuration 10 NTB USE CASES SUMMARY AND SETTINGS 11 USE CASE A 2 NODE CONFIGURATION NTB MODE 11 Connecting the cables for 2 Node Configurations x16 link 11 Connecting the cables for 2 Node Configurations x8 link 11 Connecting the cables fo...

Page 4: ...PXH840 User s Guide Dolphin Interconnect Solutions Page 4 ...

Page 5: ...ICES ENVIRONMENTAL POLICY Dolphin is minimizing the amount of printed documentation and software CDs in its shipments please download additional documentation and software from www dolphinics com Terms and acronyms Important terms and acronyms used in this manual AOC Active Optical Cable PCIe fiber cable assembly eXpressWare Dolphins software stack for PCIe clustering and IO www dolphinics com for...

Page 6: ...hysical x16 connector The slot may have any electrical width x1 x16 Compliant with PCI Express Gen1 through Gen3 computers and IO systems auto detection MTP cable connector The PXH840 in NTB mode supports to two or three other nodes NTB Cable port configurations up to o One x16 o Two x8 Broadcom Avago PLX PEX8733 PCI Express Gen3 chipset 132 nanosecond cut through latency port to port Support for ...

Page 7: ...enchmark suite to verify the expected performance Please contact Dolphin support if you need assistance to reach the expected performance PXH840 Configuration The PXH840 has a DIP switch bank to control the main configuration of the card The DIP switch labeled SW1 can be found close to the upper edge of the board The default DIP switch setting is single NTB link x16 operations Alternative NTB conf...

Page 8: ...ag containing the PXH840 Please follow your computer s or expansion chassis manual on how to install a PCI Express card The PXH840 Adapter card can be installed into any PCI Express x16 slot The PXH840 supports PCI Express Gen1 Gen2 and Gen3 signaling NOTE A Gen3 slot is recommended as it typically doubles the performance compared to a Gen2 slot The PXH840 is an x16 card so maximum performance wil...

Page 9: ...ftware download requires a password to log in The password will automatically be emailed to you if you follow the instructions found on the getting started document bundled with the adapter card If you fail to provide the correct serial number found on the getting started document your request will be managed manually Step 5 Verify Installation The PXH840 comes with a set of LEDs to verify proper ...

Page 10: ...0 Note Some DIP switch configuration options may be changed in the future versions Please always consult the latest user guide for details DIP no Name Description ON OFF Default 1 OPT1 Select between NTB and Transparent operation Transparent mode NTB mode OFF 2 OPT2 Configures a Transparent card to Host or Target mode Should be off for NTB operations Enable Transparent Target operation Normal NTB ...

Page 11: ...e from version DIS 5 5 0 and newer Both PXH840 adapter cards operate in NTB mode The DIP Switch is set to all off Connecting the cables for 2 Node Configurations x16 link To establish an x16 link a given port number should be connected to the same port number on the other card Table 3 Required x16 cabling Always connect a cable from Port x to Port x Port Host A Port Host B P1 P1 P2 P2 A failure co...

Page 12: ...n is used between all systems All PXH840 adapter cards operate in NTB mode The DIP Switch OPT3 is ON to enable dual port x8 mode Connecting the cables for 3 Node Configurations x8 link Connect the cables between two nodes as described above connecting two nodes x8 Connect the third node to the two other cards using similar rules Always connect P1 P2 to P1 P2 or P3 P4 ...

Page 13: ...entify the card It will show up as something like Second do lspci s 1 0 0 v 01 00 0 PCI bridge PLX Technology Inc Device 8733 rev ca prog if 00 Normal decode Flags bus master fast devsel latency 0 IRQ 25 Memory at f7d00000 32 bit non prefetchable size 256K Bus primary 01 secondary 02 subordinate 03 sec latency 0 Capabilities 40 Power Management version 3 Capabilities 48 MSI Enable Count 1 8 Maskab...

Page 14: ...hexadecimal values of the CC letters in the ASCII table with the production number 0x0000000A 0000010 in decimal Support More information about the product support and software download can be found at http www dolphinics com px html Please email pci support dolphinics com if you have any questions ...

Page 15: ...PXH840 User s Guide Dolphin Interconnect Solutions Page 15 Technical Information Please reference the FireFly PCUO manual available from Samtec for more information ...

Page 16: ... EN 55024 2010 Class A This does not ensure that it will comply with these standards in any random PC It is the responsibility of the integrator to ensure that their products are compliant with all regulations where their product will be used RoHS Compliance The Dolphin PXH840 is RoHS compliant A Compliance certificate issued by the manufacturer is available upon request FCC Class A This equipment...

Page 17: ...pping or abnormal working conditions Damages which results from violating the specified operating or storage temperatures and airflow Damages caused by acts of nature e g floods storms fire or earthquakes Damage caused by any power source out of range or not provided with the product Normal wear and tear Attempts to repair modify open or upgrade the product by personnel or agents not authorized by...

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