Design Guide
5
Manually-Operated Retention Latch Sensor....................... 101
Optional Attention Button.................................................... 102
LED Indicator Outputs ...................................................................... 102
®
P64H2 Hot Plug Controller.................. 103
Hot Plug Strapping Options ................................................103
Hot Plug Registers’ Visibility ............................................... 103
Single Slot Parallel Mode ................................................................. 103
Required Additional Logic................................................... 103
PCI Clock............................................................................ 103
Debounced Hot Plug Switch Input ...................................... 104
Comparator Circuit for PCIXCAP1/PCIXCAP2 Pins........... 104
Tri-State Buffer or 2:1 MUX for HPxSLOT [2:0].................. 104
Hot Plug Muxed Signals in Single Slot Parallel Mode ........ 105
SMBus Address Considerations ......................................... 106
Pull-Ups/Pull-Downs in Single Slot Parallel Mode .............. 106
Reference Schematic for Single-Slot Parallel Mode........... 107
Dual Slot Parallel Mode .................................................................... 108
Required Additional Logic................................................... 108
Debounced Hot Plug Switch Input ...................................... 108
Comparator Circuit for PCIXCAP1/PCIXCAP2 Pins........... 108
Tri-State Buffer or 2:1 Mux for HPxSLOT [2:0] ................... 108
HPx_SID Output Signal ...................................................... 108
Pull-Ups/Pull-Downs in Dual Slot Parallel Mode................. 108
Hot Plug Muxed Signals in Dual Slot Parallel Mode ........... 109
SMBus Address Considerations ......................................... 110
Reference Schematic for Dual-Slot Parallel Mode ............. 111
Three or More Slot Serial Mode ....................................................... 112
Hot Plug and Non-Hot Plug Combinations ......................... 112
Required Additional Logic................................................... 112
Debounced Hot Plug Switch Input ...................................... 112
Comparator Circuit for PCIXCAP1/PCIXCAP2 Pins........... 112
HPxSLOT [2:0].................................................................... 112
Stutter Logic for Implementing Fewer Than Six Slots.........112
Pull-Ups/Pull-Downs in Three or More Slot Serial Mode .... 113
Reference Schematic for Serial Mode ................................ 114
P64H2 PCI Interface PCIXCAP and M66EN Pins .................. 115
PCIXCAP Pin Requirements .............................................. 115
M66EN Pin Requirements .................................................. 115
.................................................................................................. 119
Cable Detection for Ultra ATA/66 and Ultra ATA/100 ......................120
Combination Host-Side/Device-Side Cable Detection ........ 120
Primary IDE Connector Requirements ............................................. 121
Secondary IDE Connector Requirements ........................................ 122
General Routing and Placement ...................................................... 124
USB Trace Separation ..................................................................... 125
USB Trace Length Matching ............................................................ 125
Содержание Xeon
Страница 24: ...Introduction 24 Design Guide This page is intentionally left blank ...
Страница 30: ...Component Quadrant Layout 30 Design Guide This page is intentionally left blank ...
Страница 34: ...Platform Stack Up and Component Placement Overview 34 Design Guide This page is intentionally left blank ...
Страница 52: ...Platform Clock Routing Guidelines 52 Design Guide This page is intentionally left blank ...
Страница 66: ...System Bus Routing Guidelines 66 Design Guide This page is intentionally left blank ...
Страница 118: ...Intel 82870P2 P64H2 118 Design Guide This page is intentionally left blank ...
Страница 146: ...I O Controller Hub 146 Design Guide This page is intentionally left blank ...
Страница 148: ...Debug Port 148 Design Guide This page is intentionally left blank ...
Страница 210: ...Schematic Checklist 210 Design Guide This page is intentionally left blank ...
Страница 220: ...Layout Checklist 220 Design Guide This page is intentionally left blank ...
Страница 222: ...Schematics 222 Design Guide This page is intentionally left blank ...