User Manual, PCIe x8 Gen 2 Expansion Kit
Contents
1. ONE Ian User Manual PCle x8 Gen 2 Expansion Kit OSS KIT EXP 8000 2M ve HE Table of Contents 1 Overview yu DEE 3 2 Component Identification 2d mor 61 9 cc 19 gt Ole ORRE O i WR RYN EFE CFE CEFR A CEFR EA PRAYER AU NHY 4 2D I argel cable ACAD USE muzi eii n sr t bike NA Co GEG en CYD FU BY SAW UA ysa YM Ood Fay O A len 4 PC USS 2S OP DAI EE EE 5 3 Installation Instructions 2 4 Installing the adapter PENE EE 6 3 b Using with the 2 slot backplane rrrrrnnrrrrrvrrrrrnnnnrrrrrrnrrnnnnnrrrrrnnnnnnnnrrrerennnnnnnsrrrsennnnnnnnserssennnnnnnnssnsenne 6 3 c Using with any third party I O Device rrrrrrrrrrnnnnnnovvrnrrnnnnnnrnrrrnrrnnnnnnnsrrnnrnnnnnnnesennnnnnnnsnnssrnnnnnnnsnnnssnne 7 TRENERE Ne 7 4 Technical Information 4 a Signal AC IS MN VOI EO 8 DPS 9 4 c PCI express x8 connector pin assignment esserne ELEG 10 5 Ordering Informati ON eee eee ee eee 15 One Stop Systems OSS KIT EXP 8000 2M Specifications subject to change without notice Page 2 1 a Description The PCIe x8 Gen 2 expansion kit is used to extend the PCI Express bus from a host server to an external PCle I O board The host adapter card inserts into a PCle slot of the server It then cables to a downstream target adapter card The target adapter card inserts in the OSS Gen 2 2 slot backplane The I O board then inserts in the other slot of the backplane The host adapter installs in the PCle x8 or x16 slot of th2. ETn2 Ground Transmitter differential pair Lane 2 Ground G Z U Ground Ground PERp2 Receiver differential pair Lane 2 PERn2 G Z U G Z U J N Ga Q Z Z U U 7 ETp3 ETn3 Z U Ground Transmitter differential pair Lane 3 Ground G Z U Ground Reserved PERp3 Receiver differential pair Lane 3 PERn3 Z RSVD One Stop Systems OSS KIT EXP 8000 2M Specifications subject to change without notice Page 9 31 PRSNT2 Hot Plug presence detect GND Ground Transmitter differential pair Lane 4 Receiver differential pair Lane 4 ransmitter aitTerentiai Pall Lane GND Receiver differential pair Lane 5 ransmitter aliTerential palir Lane i Receiver differential pair Lane 6 Transmitter differential pair Lane 7 OND gt Receiver differential pair Lane 7 PRSNT2 Hot Plug presence detect PERn7 Notes 1 Optional signals that are not implemented are left as no connects on the board side connector 2 Reserved signals are no connects on the board side connector 3 Although support of CWAKE is optional from the board side connector perspective an allocated wire is mandated for the cable assembly 4 Board side pin outs on both sides of the Link are identical The cable assembly incorporates a null modem for the PCle transmit and receive pairs 4 c PCI Express x8 Connector Pin Assignment Row B Pin 19 eee Row A Pin 1 One Stop Systems OSS KIT EXP
3. Provides a reference clock from the host system to the remote system Side Band ReTurN return path for single ended signals from remote systems Cable PReSeNT Indicates the presence of a device beyond the cable PoWeR Provides local power for in cable redriver circuits Only needed on long cables Power does not go across the cable PWR_RIN PoWeR ReTurN Provides local power return path for PWR pins CWAKE Cable WAKE CPERST Cable PCI Express Reset X16 Connector Pin Outs Target Slot One Stop Systems GND SMDAT _ B6 A6 REFCLK1 PSONf B9 A9 33 3V Mechanical Key OSS KIT EXP 8000 2M Specifications subject to change without notice Page 11 WAKEH Bit A11 PERST End of the End of the x8 Connector End of the x16 Connector One Stop Systems OSS KIT EXP 8000 2M Page 12 Endpoint Slot B6 SMDAT A6 REFCLK2z B NC A9 33V Mechanical Key Connector One Stop Systems OSS KIT EXP 8000 2M Page 13 End of the x16 Connector One Stop Systems OSS KIT EXP 8000 2M Page 14 5 Ordering Information OSS KIT EXP 8000 2M PCle x8 Gen 2 expansion kit includes a PCle x8 Gen 2 host cable adapter a PCle x8 Gen 2 target cable adapter a PCle 2 slot Gen 2 target backplane and a PCle x8 2M cable One Stop Systems OSS KIT EXP 8000 2M Page 15
4. 8000 2M Specifications subject to change without notice Page 10 Pin out for the PCIe x8 Cable Pin Signal Name CO O N O Oo R OJN o 11 12 Row A GND PETpO PETNO GND PETp1 PETn1 GND PETp2 PETn2 GND PETp3 PETn3 Row B Row A Row B Row A Row B Signal Name Pin Signal Name Signal Name Pin ff Signal Name Signal Name GND 13 GND GND 24 PETn4 PERp4 PERpO 14 CREFCLK PWR 3 3V 25 GND GND PERnO 15 CREFCLK PWR 3 3V 26 PETp5 PERp5 GND 16 GND PWR 3 3V 27 PETn5 PERn5 PERp1 17 RSVD PWR RTN 28 GND GND PERn1 18 RSVD PWR RTN 29 PETp6 PERp6 GND 19 SB_RTN PWR RTN 30 PETn6 PERn6 PERp2 20 CPSRNT CWAKE 31 GND GND PERn2 21 CPWRON CPERST 32 PETp7 PERp7 GND 22 GND GND 33 PETn7 PERn7 PERp3 23 PETp4 PETp4 34 GND GND PERn3 24 PETn4 PERp4 Signal Descriptions PERp x PERn x CREFCLK SB RTN CPRSNT PWR PCI Express Receive Positive signal of x pair PCI Express Receive Negative signal of x pair Cable REFerence CLock
5. e host motherboard It then cables to the target adapter card and installs in the appropriate slot of the 2 slot backplane A third party I O card installs in the second slot of the 2 slot backplane The I O card then appears to the host system as host of that system Gen 2 products operate at 5Gb s per lane or twice the bandwidth of Gen 1 products Therefore PCle x8 Gen 2 products operate at 20Gb s when inserted in a x8 or higher slot Host adapter lt Target adapter f k ek PCle 2 slot backplane PCle x 8 cable One Stop Systems OSS KIT EXP 8000 2M Specifications subject to change without notice Page 3 2 Components 2 a Host cable adapter The PCIe x8 expansion kit contains two cable adapter boards the host cable adapter and the target cable adapter The host adapter inserts into the host computer s PCle x8 or x16 slot The host cable adapter Part 4 OSS PCle HIB25 x8 H allows communication between a processor and an I O point The target adapter inserts into the slot closest to the ATX power connector of the 2 slot backplane Slot cover Also available in low profile gt height PCle x8 connector 2 b Target cable adapter The target adapter inserts into the slot closest to the ATX power connector of the 2 slot backplane Note This area is populated on target board One Stop Systems Specifications subject to change without notice Clock X8 PCle Tx X8 PC
6. k on green thumb tab to release metal pins and gently separate One Stop Systems OSS KIT EXP 8000 2M Specifications subject to change without notice Page 7 4 Technical Information The transmit and receive signals on the OSS HIB25 x8 are driven and conditioned by Pericom redriver chips Adjustments can be made to equalization de emphasis and output swing These controls are factory set by the use of zero Ohm resistors In the following tables a 0 indicates that a zero Ohm resistor has been installed and a 1 indicates no resistor In rare cases mostly where non OSS equipment is used with the OSS HIB25 x8 these adjustments may need to be changed The following tables are made available for this purpose It is highly recommended to contact OSS customer support before making changes to these settings 4 a Signal Adjustment Equalizer Selection De emphasis Adjustment ae 25 5 D2 A D1 A DO De DI DI 5 DI D D A D emphasis 0 0 5dB 1 1 208 Edge 0dB as SW ON Default ME 0 El 1 5dB TIT TT KL B Tw 1 5 5dB Te Default 1 1 6 5dB SW OFF 5 hl 9 ee Default fre m r Output Swing Control S 1 A D S 0 A D Swing Diff VPP Cable Default Edge Default One Stop Systems OSS KIT EXP 8000 2M Specifications subject to change without notice Page 8 4 b Pin Assignments Host and Target card connectors PCle x8 Card Edge Connector e The pins are numbered as shown with side A o
7. le Rx Downstream X8 PCI Express Cable Connector Clock X8 PCle PCle Signal Tx Redriver X8 PCle PCle Signal Redriver Rx LEDs Cable Present N Pwr LEDs Upstream PCle lane 8 PCI Express status Card Edge Connector Clock direction shown in Host configuration OSS KIT EXP 8000 2M Page 4 Host and Target Adapter Specifications Electrical Mechanical Specifications Dimensions H x L 4 5 x 2 7 inches Front Panel Gonnectors One PCle x8 cable connector Power Consumption designed to meet the following conditions 3 75W typical 3 3 1 3A Operating Environment designed to meet the following conditions 0 10 50 C 82710 122 5 17 Hz 0 5 double amplitude displacement 7 2000Hz 1 59 acceleration Redriver Pericom PI2EQX5804 Agency Compliance UL60950 FCC Class B CE safety and emissions 2 c OSS 2 slot backplane The 2 Slot backplane can be installed in a separate enclosure to support the target adapter and I O card Note See section 4 Technical Information for slot pin outs Target slot ATX power connector Power supply header Install shunt to force power on Remove shunt for the default setting Power on LED 3V AUX LED Endpoint slot One Stop Systems OSS KIT EXP 8000 2M Specifications subject to change without notice Page 5 3 Installation Instructions 3 a Installing the Adapter Kit 1 Insert the host cable adapter into an appropriate PCIe slot of the host com
8. n the top of the centerline on the solder side of the board and side B on the bottom of the centerline on the component side of the board e The PCIe interface pins PETpx PETnx PERpx and PERnx are named with the following convention PE stands for PCIe 19 37 high speed T for Transmitter R for Receiver p for positive and n for negative e Note that adjacent differential pairs are separated by two ground pins to manage the connector crosstalk Pin out for the PCle x8 Card Edge Connector on the Host Cable Adapter Side B eA name Description Name Deso a mv deveomer PRSNTW morpugpresensedeed Ca AEL ev vever Ca mv vever ev SCV Power SMCLK SMBus clock JTAG2 TCK SMDAT SMBus data JTAG3 TDI Test Data Input GND JTAG4 TDO Test Data Output 3 3V JTAG5 TMS Test Mode Select JTAG1 3 3V 3 3 V power Mechanical key 3 3 V power Fundamental reset SVD Reserved Ground Ground G Z U Z U REFCLK Reference clock differential pair ETpO REFCLK Transmitter differential pair Lane O ETnO T Z U Ground Z U Ground Hot Plug presence detect Ground PERpO Receiver differential pair Lane O PERnO 17 PRSNT2 Z U G Z U Ground Reserved Ground PETp1 ETn1 RSVD Transmitter differential pair Lane 1 G Z U Ground Ground PERpt PERn1 G Receiver differential pair Lane 1 G Z U ETp2
9. puter NOTE For example a PCle x8 host board can be inserted into a PCle x16 or a x8 slot It will still operate at x8 speeds 3 b When using with the 2 slot Backplane 2 Insert the target cable adapter into the PCIe slot closest to the white ATX power connector labeled TARGET on the 2 slot backplane 3 Connect the 2 slot backplane to an ATX power supply separate from the host system power supply Note Sometimes an external load is necessary for ATX power supplies to regulate properly i e connecting hard drive power 4 Insert the PCI add in board in the I O slot of the 2 slot backplane 5 Connect the PCle cable to both cable adapters 6 Power up the power supply to the 2 slot backplane The 3V aux LED will light NOTE THE POWER SUPPLY AND 2 SLOT BACKPLANE WILL NOT POWER UP AT THIS TIME 7 Power up the host system The power and cable LEDs on the cable adapters will light This powers up the one slot backplane 8 The I O board will start automatically One Stop Systems OSS KIT EXP 8000 2M Specifications subject to change without notice Page 6 3 c When using with any third party I O device 1 Install the downstream board in the appropriate PCIe slot 2 Connect the external power source separate from the host system power supply to the downstream device if necessary 3 Connect the PCle cable to both the upstream host adapter and the downstream device 3 d Removing PCIe cable 1 To remove PCIe cable pull bac
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