Front Panel I/O Connectivity Design Guide

Front Panel I/O Connectivity Design Guide
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4 Cabling Design Guidelines
4.1 Introduction .................................................................................................................. 35
4.2 Switch/LED Cable ........................................................................................................ 35
4.3 Front Panel Audio Cable .............................................................................................. 36
4.3.1 Introduction.................................................................................................... 36
4.3.2 Cable Drawings ............................................................................................. 36
4.4 USB Cabling (Motherboard to I/O Interface Board) .....................................................39
4.4.1 Introduction.................................................................................................... 39
4.4.2 Cable Drawings ............................................................................................. 39
4.5 IEEE1394 Cabling (Motherboard to I/O Interface Board)............................................. 43
4.5.1 Introduction.................................................................................................... 43
4.5.2 Cable Drawings ............................................................................................. 44
5 Interface Board Design Guidelines
5.1 Introduction .................................................................................................................. 49
5.2 Front Panel I/O Interface Board Dimensions ............................................................... 51
6 Chassis and I/O Shield Guidelines
6.1 Introduction .................................................................................................................. 53
6.2 Front Panel I/O Board Placement ................................................................................ 53
6.3 Front Panel I/O Reference Designs ............................................................................. 56
6.3.1 I/O Shield Reference Design ......................................................................... 56
6.3.2 Housing Reference Design............................................................................ 58
6.3.3 Housing and Shield Assembly Reference Design ......................................... 59
6.3.4 Supporting Structure Reference Design........................................................ 60
6.3.5 Supporting Structure and Shield Reference Design...................................... 61
7 Internal Legacy Connectors (Reference)
7.1 Introduction .................................................................................................................. 63
7.2 Serial-WHQL Debug Connector................................................................................... 63
7.2.1 Header Design............................................................................................... 63
7.2.2 Pin Assignments............................................................................................ 64
7.3 Parallel Port Connectors .............................................................................................. 64
7.3.1 Rear Panel Connector ................................................................................... 64
7.3.2 Stake-Pin Connector ..................................................................................... 66
8 Internal Legacy-Free Connectors (Reference)
8.1 Introduction .................................................................................................................. 67
8.2 LPC (Low Pin Count) Debug Connector ...................................................................... 67
8.2.1 Usage Model ................................................................................................. 67
8.2.2 Features ........................................................................................................ 68
8.2.3 Header Design............................................................................................... 69
8.2.4 Pin Assignments............................................................................................ 71
8.2.5 LPC Debug Connector Pin Assignments....................................................... 72