Intel ATX 3.0 Design Manual page 6

Figure 12-3: PSU Slot Feature Detail .................................................................................... 70
Figure 12-4: Recommended Chassis Tab Feature ................................................................... 71
Figure 13-1: Power Supply Dimensions for Chassis that does not Require Top Venting ................. 72
Figure 13-2: Power Supply Dimensions for Chassis that Require Top Venting .............................. 73
Figure 14-1: 40 mm Profile Mechanical Outline ...................................................................... 75
Figure 14-2: Chassis Cutout ................................................................................................ 75
Figure 14-3: Top Mount Fan Profile Mechanical Outline ............................................................ 77
Figure 14-4: Chassis Cutout ................................................................................................ 78
Figure 14-5: Recessed Fan Mounting .................................................................................... 78
Figure 14-6: Reduced Depth Top Mount Fan Profile Mechanical Outline ...................................... 79
Figure 14-7: Chassis Cutout ................................................................................................ 79
Figure 14-8: 60 mm Mechanical Outline ................................................................................ 80
Figure 14-9: Chassis Cutout ................................................................................................ 81
Figure 14-10: PS3 Mechanical Outline ................................................................................... 82
Figure 15-1: Mechanical Outline ........................................................................................... 83
Figure 15-2: Dimensions and Recommended Feature Placements (not to scale) .......................... 84
Figure 15-3: Power Supply Mounting Slot Detail ..................................................................... 85
Figure 15-4: Fan Right and Fan Left Orientations of Power Supply in a Chassis ........................... 86
Figure 15-5: Suggested TFX12V Chassis Cutout ..................................................................... 86
Figure 15-6: Suggested Mounting Tab (chassis feature) .......................................................... 87
Figure 16-1: Mechanical Outline ........................................................................................... 88
Figure 16-2: Dimensions and Recommended Feature Placements (not to scale) .......................... 89
Tables
Table 1-1: Conventions and Terminology .............................................................................. 15
Table 1-2: Support Terminology .......................................................................................... 16
Table 2-1: 12V2 Current for Processor Configurations ............................................................. 17
Table 3-1: PCI Express* CEM Add-in Card Power Excursion Limits Table 45 .................................. 21
Table 3-2: PCIe* AIC and PSU Power Budget used for Peak Power Excursion Test Cases .............. 23
Table 3-3: PCIe* AIC and PSU Power Budget used for Peak Power Excursion .............................. 24
Table 3-4: Duty Cycle Example Test Criteria for a 1000W PSU - RMS ........................................ 25
Table 3-5: Auxiliary Power Connectors Power Supply Rail Requirements - +12V Only .................. 26
Table 3-6: PCI Express* 12VHPWR Connector Power Limits ..................................................... 27
Table 3-7: PCI Express* 12VHPWR Connector - Sideband Signal DC Specifications ..................... 29
Table 4-1: AC Input Line Requirements ................................................................................. 30
Table 4-2: DC Output Voltage Regulation .............................................................................. 31
Table 4-3: DC Output Transient Step Sizes ............................................................................ 31
Table 4-4: DC Output Transient Slew Rate ............................................................................ 32
Table 4-5: Recommended Standby Rail DC and AC Power Efficiency .......................................... 33
Table 4-6: DC Output Noise/Ripple ....................................................................................... 34
Table 4-7: Output Capacitive Loads ...................................................................................... 34
Table 4-8: 12V2 DC Minimum Current .................................................................................. 36
Table 4-9: Power Supply Timing .......................................................................................... 37
Table 4-10: PWR_OK Signal Characteristics ........................................................................... 38
Table 4-11: PS_ON# Signal Characteristics ........................................................................... 38
Table 4-12: Over Voltage Protection ..................................................................................... 42
Table 4-13: Efficiency versus Load Minimum Requirements ...................................................... 44
Table 4-14: Low Load Efficiency Requirements ....................................................................... 44
Table 4-15: Efficiency versus Load for ENERGY STAR* ............................................................ 45
Table 4-16: Efficiency versus Load for CEC PC Computers with High Expandability Computers* ..... 45
Table 5-1: Main Power Connector Pin-Out ............................................................................. 49
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