PLX Technology PEX 8624-AA RDK, Справочник по аппаратуре

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PEX 8624-AA RDK Hardware Reference Manual – Version 1.1
Copyright © 2010 by PLX Technology, Inc. All rights reserved ii
C
ONTENTS
N
OTICE
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A
BOUT
T
HIS
M
ANUAL
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R
EVISION
H
ISTORY
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1. General Information .............................................................................................................................1
1.1 PEX 8624 Features ....................................................................................................................... 2
1.2 PEX 8624-AA RDK Features ...................................................................................................... 3
2. PEX 8624-AA RDK Hardware Architecture .......................................................................................4
2.1.1 PEX 8624 PCI Express Gen 2 Switch .................................................................................. 4
2.2 PEX 8624-AA RDK PCI Express Interfaces ............................................................................... 4
2.2.1 Configuration Modules and Receptacle CM1....................................................................... 5
2.2.2 PCI Express Card Edge Connector P1 .................................................................................. 6
2.2.3 PCI Express Edge Card Connector SLOT 1 ......................................................................... 6
2.2.4 PCI Express Edge Card Connector SLOT 2 ......................................................................... 6
2.2.5 PCI Express Edge Card Connector SLOT 3 ......................................................................... 6
2.2.6 4X Mini-SAS Connector IP1 ................................................................................................ 6
2.3 Reference Clock Circuitry ............................................................................................................ 7
2.4 Reset Circuitry .............................................................................................................................. 8
2.5 Hot-Plug Circuits .......................................................................................................................... 8
2.5.1 Parallel Hot-Plug Controller Circuit ..................................................................................... 8
2.5.2 Serial Hot-Plug Controller Circuits ...................................................................................... 9
2.6 Serial EEPROM ......................................................................................................................... 10
2.7 I
2
C Interface ............................................................................................................................... 10
2.8 Power Distribution ..................................................................................................................... 11
2.9 LED Indicators ........................................................................................................................... 11
2.9.1 Port Link Status Indication (D17 – D22) ............................................................................ 12
2.9.2 Fatal Error Indication (D24) ............................................................................................... 12
2.9.3 PEX_INTA Interrupt Indication (D23) ............................................................................... 12
2.9.4 PEX 8624 Voltage Level Monitoring (D10 – D11) ............................................................ 13
2.10 GPIO Pins ............................................................................................................................... 13
2.11 Reserved Pins ......................................................................................................................... 13
3. On-Board Connectors, Switches, and Jumpers ..................................................................................14
3.1 DIP Switches .............................................................................................................................. 14
3.1.1 Slot ID Selection (SW1) ..................................................................................................... 14
3.1.2 Serial Hot-Plug Signal and Control (SW2) ......................................................................... 14
3.1.3 Parallel Hot-Plug Signal and Control (SW3) ...................................................................... 15
3.1.4 DC/DC Converter and Mode Controls (SW4) .................................................................... 15
3.1.5 Upstream Port Select (SW5) ............................................................................................... 16
3.1.6 Port Configuration and NT Upstream Port Select (SW6) ................................................... 16
3.1.7 Test Mode Select (SW7) ..................................................................................................... 17
3.1.8 I
2
C Address and Other Mode Select (SW8) ....................................................................... 18
3.2 Push-Button Switches ................................................................................................................ 19
3.2.1 Manual Reset# (S1)............................................................................................................. 19
3.2.2 Serial Hot-Plug Controller Attention Button (S2) .............................................................. 19
3.2.3 Parallel Hot-Plug Controller Attention Button (S3) ........................................................... 19
3.3 Midbus probe footprints (JP1 – JP2) .......................................................................................... 19
3.4 2.5V Header (JP3) ...................................................................................................................... 21
3.5 JTAG Header (JP4) .................................................................................................................... 21