PCI EXPRESS CARD ELECTROMECHANICAL SPECIFICATION, REV 1.0a
5
Figures
FIGURE 1-1: VERTICAL EDGE-CARD CONNECTOR.................................................... 11
FIGURE 1-2: EXAMPLE OF A SERVER I/O BOARD WITH PCI EXPRESS SLOTS
ON A RISER................................................................................................................. 12
FIGURE 2-1: DIFFERENTIAL REFCLK WAVEFORM .................................................... 14
FIGURE 2-2: POWER UP..................................................................................................... 15
FIGURE 2-3: POWER MANAGEMENT STATES ............................................................. 16
FIGURE 2-4: POWER DOWN ............................................................................................. 17
FIGURE 2-5: WAKE# RISE AND FALL TIME MEASUREMENT POINTS.................... 25
FIGURE 2-6: SINGLE ENDED MEASUREMENT POINTS FOR T
RISE
AND T
FALL
......... 27
FIGURE 2-7: SINGLE ENDED MEASUREMENT POINTS FOR V
OVS
, V
UDS
, AND V
RB
27
FIGURE 2-8: DIFFERENTIAL (CLOCK – CLOCK#) MEASUREMENT POINTS
(T
PERIOD
, DUTY CYCLE, AND JITTER)..................................................................... 28
FIGURE 2-9: V
CROSS
RANGE CLARIFICATION................................................................ 28
FIGURE 3-1: PRESENCE DETECT IN A HOT-PLUG ENVIRONMENT ........................ 30
FIGURE 4-1: PCI EXPRESS ON THE SYSTEM BOARD ................................................. 35
FIGURE 4-2: PCI EXPRESS CONNECTOR ON SYSTEM BOARD WITH AN
ADD-IN CARD ............................................................................................................ 36
FIGURE 4-3: PCI EXPRESS CONNECTOR ON A RISER CARD WITH AN
ADD-IN CARD ............................................................................................................ 36
FIGURE 4-4: LINK DEFINITION FOR TWO COMPONENTS......................................... 37
FIGURE 4-5: EXAMPLE INTERCONNECT TERMINATED AT THE CONNECTOR
INTERFACE................................................................................................................. 39
FIGURE 4-6: INSERTION LOSS BUDGETS...................................................................... 40
FIGURE 4-7: JITTER BUDGET........................................................................................... 41
FIGURE 4-8: ADD-IN CARD TRANSMITTER PATH COMPLIANCE EYE
DIAGRAM.................................................................................................................... 44
FIGURE 4-9: REPRESENTATIVE COMPOSITE EYE DIAGRAM FOR
ADD-IN CARD RECEIVER PATH COMPLIANCE.................................................. 45
FIGURE 4-10: SYSTEM BOARD TRANSMITTER PATH COMPOSITE
COMPLIANCE EYE DIAGRAM ................................................................................ 46
FIGURE 4-11: REPRESENTATIVE COMPOSITE EYE DIAGRAM FOR
SYSTEM BOARD RECEIVER PATH COMPLIANCE ............................................. 47
FIGURE 5-1: CONNECTOR FORM FACTOR ................................................................... 54
FIGURE 5-2: RECOMMENDED FOOTPRINT................................................................... 55
FIGURE 5-3: ADD-IN CARD EDGE-FINGER DIMENSIONS.......................................... 56
FIGURE 5-4: ILLUSTRATION OF ADJACENT PAIRS .................................................... 61
FIGURE 5-5: CONTACT RESISTANCE MEASUREMENT POINTS............................... 62
FIGURE 6-1: STANDARD HEIGHT PCI EXPRESS ADD-IN CARD
WITHOUT THE I/O BRACKET ................................................................................. 68
FIGURE 6-2: STANDARD HEIGHT PCI EXPRESS ADD-IN CARD
WITH THE I/O BRACKET AND CARD RETAINER ............................................... 69
FIGURE 6-3: STANDARD ADD-IN CARD I/O BRACKET .............................................. 70
FIGURE 6-4: BRACKET DESIGN WITH THE MOUNTING TABS MOUNTED
ON THE PRIMARY SIDE OF THE ADD-IN CARD ................................................. 71
FIGURE 6-5: ADD-IN CARD RETAINER.......................................................................... 72
FIGURE 6-6: LOW PROFILE PCI EXPRESS ADD-IN CARD WITHOUT
THE I/O BRACKET ..................................................................................................... 73
