IEI Integration ICE-DB-T6 - Manual (Page 4)

Type 6 Carrier Board Design Guide
Page IV
Table of Contents
1 INTRODUCTION.......................................................................................................... 1
1.1 I NTRODUCTION ........................................................................................................... 2
1.2 ICE-QM770 COM E XPRESS M ODULE ....................................................................... 2
1.2.1 ICE-QM770 Specifications ................................................................................ 3
1.3 ICE-CV-D25501/N26001 COM E XPRESS M ODULE .................................................. 4
1.3.1 ICE-CV-D25501/N26001 Specifications ........................................................... 5
1.4 ICE-DB-T6 R EFERENCE C ARRIER B OARD ................................................................. 7
1.4.1 ICE-DB-T6 Specifications ................................................................................. 7
2 PIN ASSIGNMENTS................................................................................................... 10
2.1 C HAPTER O VERVIEW .................................................................................................11
2.2 COM E XPRESS C ONNECTOR T YPE ........................................................................... 12
2.3 S IGNAL T ABLE T ERMINOLOGY ................................................................................. 13
2.4 C ONNECTOR P INOUT R OW A AND R OW B................................................................. 14
2.5 C ONNECTOR P INOUT R OWS C AND D ....................................................................... 16
3 SIGNAL DESCRIPTION AND ROUTING GUIDELINE ...................................... 19
3.1 PEG (PCI E XPRESS G RAPHIC ) ................................................................................. 20
3.1.1 Signal Description ........................................................................................... 20
3.1.2 PEG Connector ................................................................................................ 22
3.1.3 PEG_ENABLE# ............................................................................................... 23
3.1.4 PCI Express Test Points and Probing ............................................................. 23
3.1.5 PCI Express Routing Guideline ....................................................................... 24
3.1.5.1 Impedance Consideration.......................................................................... 24
3.1.5.2 AC Coupling Capacitors ........................................................................... 25
3.1.5.3 Routing Notices ........................................................................................ 26
3.2 PCI E XPRESS ............................................................................................................ 27
3.2.1 Signal Description ........................................................................................... 28
3.2.2 PCI Express x1 Slot ......................................................................................... 29
3.2.3 PCIe Mini Card................................................................................................ 29
3.2.4 PCI Express Clock Buffer ................................................................................ 32