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PLX Technology PEX 8114RDK-R Hardware Reference Manual

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PEX 8114RDK-R
Hardware Reference Manual
For Board Revision 100
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Copyright © 2008 by PLX Technology, Inc. All Rights Reserved – Version 3.2
February 19, 2008
Version 3.2
February 2008
www.plxtech.com
www.plxtech.com/support

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Summary of Contents for PLX Technology PEX 8114RDK-R

  • Page 1 PEX 8114RDK-R Hardware Reference Manual For Board Revision 100 Version 3.2 February 2008 Website: www.plxtech.com Technical Support: www.plxtech.com/support Copyright © 2008 by PLX Technology, Inc. All Rights Reserved – Version 3.2 February 19, 2008...
  • Page 2 © 2008 PLX Technology, Inc. All Rights Reserved. PLX Technology, Inc. retains the right to make changes to this product at any time, without notice. Products may have minor variations to this publication, known as errata. PLX assumes no liability whatsoever, including infringement of any patent or copyright, for sale and use of PLX products.

  • Page 3: Table Of Contents

    4.2.1 Trace Routing Design Rules ................. 12 4.2.2 Power Decoupling..................12 4.2.3 PCB Layer Stackup ..................13 5 References ......................14 6 Bill of Materials and Schematics................15 PEX 8114RDK-R Hardware Reference Manual, Version 3.2 © 2008 PLX Technology, Inc. All Rights Reserved.
  • Page 4 Figures Figure 1. PEX 8114RDK-R – Component Side View............1 Figure 2. PEX 8114RDK-R Functional Block Diagram ............4 Figure 3. JTAG (JP1) Header (Viewed from Top)............5 Figure 4. SW3 PCIXCAP Switches..................6 Figure 5. SW5 Strapping and RefClk Generator Switches ..........6 Figure 6. Decoupling Capacitor Footprints ..............12 Figure 7.
  • Page 5 PLX assumes no responsibility for damage or loss resulting from the use of this manual, for loss or claims by third parties, which may arise through the use of the PEX 8114RDK-R, or for any damage or loss caused by deletion of data as a result of malfunction or repair.
  • Page 6 • Updated Bill of Materials and Schematics. • Updated to reflect use of PEX 8114BD device. February 2008 • Updated Bill of Materials and Schematics. PEX 8114RDK-R Hardware Reference Manual, Version 3.2 © 2008 PLX Technology, Inc. All Rights Reserved.

  • Page 7: General Information

    Host system slot, by way of a standard PCI/PCI-X board edge connector (the PEX 8114RDK-R is designed to plug into a PCI or PCI-X motherboard slot). In Reverse Bridge mode, the secondary side of the PEX 8114 bridge device is the PCI Express downstream port.

  • Page 8: Pex 8114 Features

    PEX 8114 Features Supports Reverse and Forward Bridging Note: The PEX 8114RDK-R is for Reverse Bridge mode designs. For Forward Bridge mode designs, refer to the PEX 8114RDK-F. Single PCI Express port capable of x4, x2, or x1 link width Single PCI-X Bus segment supporting PCI-X protocol at 64-bit/133 MHz and/or PCI Local Bus Specification, Revision 3.0...

  • Page 9: System Architecture

    PCI Express board can be inserted. Only the first four lanes of the slot are routed to the PEX 8114, and each lane is capable of up to 2.5 Gbps. The PEX 8114RDK-R appears to the Host as a PCI-to-PCI bridge.

  • Page 10: Figure 2. Pex 8114Rdk-R Functional Block Diagram

    Figure 2. PEX 8114RDK-R Functional Block Diagram PEX 8114RDK-R Hardware Reference Manual, Version 3.2 © 2008 PLX Technology, Inc. All Rights Reserved.

  • Page 11: Hardware Architecture

    Hardware Architecture There are several subsystems on the PEX 8114RDK-R. Among them are a power system that powers the PEX 8114, a Hot Plug circuit for the PCI Express straddle-mount slot connector, a Reference Clock generator, and controls and indicators. The following sections describe each PEX 8114RDK-R subsystem.

  • Page 12: Strapping Switches

    Strapping Switches The PEX 8114RDK-R has two DIP switches – SW3 and SW5 – that are used to control various PEX 8114RDK-R configurations. 3.4.1 Switch SW3 – PCIXCAP Control Switch SW3 has two switches, which determine the PCI/PCI-X board edge connector PCIXCAP pin value.

  • Page 13: Pci Express Interface

    3.5.2 PERST# PERST# to the PCI Express straddle-mount slot connector (J5) is directly controlled by the PEX 8114 Hot Plug interface. PERST# to the PEX 8114 is controlled by the PEX 8114RDK-R Power Good indicator (DS10). 3.5.3 Lane Status LED Indicators Four green surface-mount LEDs (DS6, DS7, DS8, and DS9) are attached to the four PEX 8114 PEX_LANE_GOOD[3:0]# balls, respectively, to indicate lane status.

  • Page 14: Pci-X Interface

    Mechanical Addendum to the PCI Local Bus Specification, Revision 2.0a. The interface can operate in a PCI/PCI-X 64-bit slot, but only at +3.3V. The interface operates at up to PCI-X 133 MHz. The interface also provides the PEX 8114RDK-R with power, as well as +3.3 VDC to the PCI Express straddle-mount slot connector.

  • Page 15: 3.7.2.2 Pex 8114 Voltage Sequencing

    3.7.3 PCI Express Power The PEX 8114RDK-R, as per the PCI Express Base Specification, Revision 1.0a, must provide +3.3V and 12V power to the PCI Express female straddle-mount slot connector. An on-board Hot Plug power switch, controlled by the PEX 8114, turns the slot connector power On/Off. +3.3 VDC is provided by the PCI/PCI- X board edge connector.

  • Page 16: Mechanical Architecture

    Mechanical Architecture Monitoring Point, LED Indicator, and Control Summary This section summarizes the PEX 8114RDK-R interfaces that are used for monitoring, indicating, and controlling PEX 8114 performance. 4.1.1 Monitoring Points Table 1. PEX 8114RDK-R Monitoring Points Footprint/ Silkscreen Function Label C27, plus side Monitors +3.3 VDC on the PCI Express straddle-mount slot connector, J5.

  • Page 17: Led Indicators

    PEX 8114 VTT voltage is jumper-selectable and can be fixed at +1.5 VDC (jumper JP7, R69 JP7, pins 1 and 2), or adjustable by way of a potentiometer (jumper JP7, pins 2 and 3 and potentiometer R69). PEX 8114RDK-R Hardware Reference Manual, Version 3.2 © 2008 PLX Technology, Inc. All Rights Reserved.

  • Page 18: Layout Information

    (Refer to Figure 6.) Figure 6. Decoupling Capacitor Footprints PEX 8114RDK-R Hardware Reference Manual, Version 3.2 © 2008 PLX Technology, Inc. All Rights Reserved.

  • Page 19: Pcb Layer Stackup

    4.2.3 PCB Layer Stackup The PEX 8114RDK-R is a 12-layer, 63-mil thick PCB, as illustrated in Figure 7. The target signal impedance for all routing layers is 57 Ohm ±5% single-ended impedance and 100 Ohm ±5% differential. This PCB stackup was chosen for the following reasons:...

  • Page 20: References

    PCI-X Addendum to PCI Local Bus Specification, Revision 1.0b PCI-X Addendum to PCI Local Bus Specification, Revision 2.0a PCI-X Electrical and Mechanical Addendum to the PCI Local Bus Specification, Revision 2.0a PEX 8114RDK-R Hardware Reference Manual, Version 3.2 © 2008 PLX Technology, Inc. All Rights Reserved.

  • Page 21: Bill Of Materials And Schematics

    Bill of Materials and Schematics This section replicates the PEX 8114RDK-R Bill of Materials and schematics. Item Mfgr Package Component Dist Mfgr Desc Distributor Part Part # Type Designator(s) Part # SURFACE MOUNT COMPONENTS CAP .10UF C1, C2, C3, C4, C5, C6,...
  • Page 22 Panasonic 3GEYJ15 SMT, 0603 Digi-Key 5% 0603 R37, R38, R48 CT-ND RES 4.7 ERJ- OHM 1/8W P4.7B Panasonic 6RQJ4R7 SMT, 0805 Digi-Key 5% 0805 CT-ND PEX 8114RDK-R Hardware Reference Manual, Version 3.2 © 2008 PLX Technology, Inc. All Rights Reserved.
  • Page 23 TACT 6MM SW416 Omron B3S-1002 SW1, SW7, SW8 Digi-Key PUSHBU SMD MOM TTON 230GF IC, PCI PEX8114- Express- pBGA256 PEX8114 Technology BD13BI PCIX bridge, Forward/Rev PEX 8114RDK-R Hardware Reference Manual, Version 3.2 © 2008 PLX Technology, Inc. All Rights Reserved.
  • Page 24 25 MHz , 18pF load capacitance, 50/100ppm 210-93- Socket, EEPROM Mill-Max 308-41- DIP8, Thru- DIP-8 Digi-Key Socket 001000 hole 15-24- Header, HD Molex Arrow 4049 4-pin PEX 8114RDK-R Hardware Reference Manual, Version 3.2 © 2008 PLX Technology, Inc. All Rights Reserved.
  • Page 25 3GEYJ20 SMT, 0603 R107 Digi-Key GCT- 200K 5% 0603 RES 88.7K ERJ- P88.7K OHM 1/16W Panasonic 3EKF887 SMT, 0603 R109 Digi-Key HCT- 88.7K 1% 0603 PEX 8114RDK-R Hardware Reference Manual, Version 3.2 © 2008 PLX Technology, Inc. All Rights Reserved.
  • Page 26 SMD MOSFET, FDN339A N-CHAN, 34C01 FDN339A Fairchild SuperSOT-3 Q3, Q4, Q5, Q6 Newark 3A, Rds=50 mohm PLX Part # 91-0051-100-D Product Name: PEX 8114RDK-R PEX 8114RDK-R Hardware Reference Manual, Version 3.2 © 2008 PLX Technology, Inc. All Rights Reserved.
  • Page 27 Distributed for Comprehensive Design Review January 21, 2005 Results of Comprehensive Design Review April 3, 2005 U23 power changed to V3.3 rail. REFCLK generator PLX Technology, Inc. PLX Technology, Inc. PLX Technology, Inc. frequency controls made non-switchable. Switches changed. DS4 and DS3 silkscreen corrected.
  • Page 28 Cu = 1.50 oz Zo = 51.3 ohm INNER TRACES WIDTH = 4.0 mils Cu = 0.50 oz Zo = 50.6 ohm PLX Technology, Inc. PLX Technology, Inc. PLX Technology, Inc. 870 Maude Avenue 870 Maude Avenue 870 Maude Avenue Sunnyvale, CA 94085...
  • Page 29 PCI_INT[C]# PCI_INT_C# {6} PCI_INT[B]# PCI_INT_B# {6} Interrupts Interrupts PCI_INT[A]# PCI_INT_A# {6} JTAG JTAG PLX Technology, Inc. PLX Technology, Inc. PLX Technology, Inc. 1.5K 1.5K JTAG HEADER 870 Maude Avenue 870 Maude Avenue 870 Maude Avenue Sunnyvale, CA 94085 Sunnyvale, CA 94085 Sunnyvale, CA 94085 www.plxtech.com...
  • Page 30 U3_3VS U3_3VS 3VISEN VHP_3.3V ISL6161 ISL6161 IRF7470 IRF7470 0.03 0.03 VIN_3.3V PLX Technology, Inc. PLX Technology, Inc. PLX Technology, Inc. 870 Maude Avenue 870 Maude Avenue 870 Maude Avenue Sunnyvale, CA 94085 Sunnyvale, CA 94085 Sunnyvale, CA 94085 www.plxtech.com www.plxtech.com www.plxtech.com...
  • Page 31 DIF_7# TPV12 TPV12 SDATA REFOUT IREF ICS9FG108G ICS9FG108G 25_MHZ_CLK TPV10 TPV10 PLX Technology, Inc. PLX Technology, Inc. PLX Technology, Inc. 870 Maude Avenue 870 Maude Avenue 870 Maude Avenue Sunnyvale, CA 94085 Sunnyvale, CA 94085 Sunnyvale, CA 94085 www.plxtech.com www.plxtech.com www.plxtech.com...
  • Page 32 PCI_AD34 AD[35] AD[34] PCI_AD33 AD[33] PCI_AD32 AD[32] PCI_EXP_X16_STRADDLE_MNT_CONN PCI_EXP_X16_STRADDLE_MNT_CONN PCIX_CONN_MALE PCIX_CONN_MALE PLX Technology, Inc. PLX Technology, Inc. PLX Technology, Inc. 870 Maude Avenue 870 Maude Avenue 870 Maude Avenue Sunnyvale, CA 94085 Sunnyvale, CA 94085 Sunnyvale, CA 94085 www.plxtech.com www.plxtech.com www.plxtech.com...
  • Page 33 SW DIP-8 SW DIP-8 SW1 = ON SW2 = X PCI-X 66 SW1 = OFF SW2 = ON PLX Technology, Inc. PLX Technology, Inc. PLX Technology, Inc. 870 Maude Avenue 870 Maude Avenue 870 Maude Avenue PCI-X 100 or 133...
  • Page 34 JUMPER3 JUMPER3 VTT can be adjustable from 1.0 to 1.8 volts, or set to 1.5 volts, by the jumper. PLX Technology, Inc. PLX Technology, Inc. PLX Technology, Inc. 870 Maude Avenue 870 Maude Avenue 870 Maude Avenue Sunnyvale, CA 94085...
  • Page 35 1000pF 1000pF 1000pF 1000pF 1000pF 1000pF 1000pF 1206_LoVolt 0603_2VIA 0402 0603_2VIA PLX Technology, Inc. PLX Technology, Inc. PLX Technology, Inc. 870 Maude Avenue 870 Maude Avenue 870 Maude Avenue Sunnyvale, CA 94085 Sunnyvale, CA 94085 Sunnyvale, CA 94085 www.plxtech.com www.plxtech.com www.plxtech.com...

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