Intel ATX12VO - Figure 15-6: TFX12 V Suggested Mounting Tab (Chassis Feature)

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TFX12V Specific Guidelines 3.0

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Figure 15-6: TFX12V Suggested Mounting Tab (Chassis Feature)

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Table of Contents3
Introduction11
Power Supplies and Alternative Low Power Mode11
System Power Telemetry Feature12
References12
Terminology13
Table 1-1: Conventions and Terminology14
Table 1-2: Support Terminology15
Processor Configurations16
Processor Configurations (Recommended)16
High End Desktop Market Processor Considerations16
Table 2-1: Processor Configurations - 12V2 Current16
Modular Power Supply Connectors17
Overclocking Recommendations18
PCI Express* Add-In Card Considerations19
Pcie* Add-In Card Power Excursions19
Table 3-1: PCI Express CEM Add-In Card Power Excursion Limits Table20
Pcie* Add-In-Card and PSU Power Budgets21
Figure 3-1: PCI Express* CEM Add-In-Card Power Excursion Limits Chart21
Table 3-2: Pcie* AIC and PSU Power Budget Used for Peak Power Excursion Test22
PSU Power Excursion23
Table 3-3: Pcie* AIC and PSU Power Budget Used for Peak Power Excursion23
Pcie* AIC Auxiliary Power Connectors24
Figure 3-2: Duty Cycle Definition24
Table 3-4: Duty Cycle Example Test Criteria for a 1000W PSU - RMS24
Pcie* Add-In-Card Auxiliary Power Connectors Sideband Signals25
Sense1 / Sense0 (Required)25
Table 3-5: Auxiliary Power Connectors Power Supply Rail Requirements - +12V Only25
CARD_PWR_STABLE (Optional)26
Table 3-6: PCI Express* 12VHPWR Connector Power Limits26
CARD_CBL_PRES# (Optional)27
Sideband Signals DC Specifications (Required)28
Table 3-7: PCI Express* 12VHPWR Connector - Sideband Signal DC Specifications28
Electrical29
AC Input - REQUIRED29
Input over Current Protection (Required)29
Inrush Current (Required)29
Input under Voltage (Required)29
Table 4-1: AC Input Line Requirements29
DC Output (Required)30
DC Voltage Regulation (Required)30
DC Output Current (Required)30
Table 4-2: DC Output Voltage Regulation30
Table 4-3: DC Output Transient Step Sizes30
Remote Sensing (Optional)31
Other Low Power System Requirements (Required)31
Table 4-4: DC Output Transient Slew Rate31
Output Ripple Noise (Required)32
Table 4-5: Required System DC and AC Power Consumption32
Table 4-6: DC Output Noise/Ripple32
Capacitive Load (Recommended)33
Closed Loop Stability (Required)33
Figure 4-1: Differential Noise Test Setup33
Table 4-7: Output Capacitive Loads33
Multiple 12V Rail Power Sequencing (Required)34
Voltage Hold-Up Time (Required)34
Timing, Housekeeping, and Control (Required)34
Figure 4-2: Power on Timing34
Table 4-8: Power Supply Timing34
PWR_OK (Required)35
PS_ON# (Required)35
Table 4-9: PWR_OK Signal Characteristics35
Table 4-10: PS_ON# Signal Characteristics36
12VSB (Required)37
Figure 4-3: PS_ON# Signal Characteristics37
Power-On Time (Required)38
Rise Time (Required)38
Figure 4-4: +12VSB Power on Timing Versus VAC38
Overshoot at Turn-On / Turn-Off (Required)39
I_PSU% Signal (Required)39
Figure 4-5: Rise Time Characteristics39
Table 4-11: I_PSU% Signal Characteristics39
Figure 4-6: I_PSU% Delay Time Diagram41
Figure 4-7: Recommended Circuit Diagram for I_PSU% Signal Inside PSU42
Table 4-12: PCIE AIC and PSU Power Budget Used for Peak Power Excursion43
Table 4-13: Duty Cycle Example Test Criteria for a 750W PSU - RMS43
Table 4-14: Duty Cycle Example Test Criteria for a 1000W PSU - RMS43
Reset after Shutdown44
12VSB at Power-Down (Required)44
12VSB Fall Time (Recommended)44
Figure 4-8: 12VSB Fall Time44
Output Protection45
Over Voltage Protection (OVP) (Required)45
Short Circuit Protection (SCP) (Required)45
Load Situation (Required)45
Over Current Protection (OCP) (Required)45
Table 4-15: over Voltage Protection45
Over Temperature Protection (OTP) (Required)46
Output Bypass (Required)46
Separate Current Limit for 12V2 (Optional)46
Overall Power Supply Efficiency Levels46
Table 4-16: Efficiency Load Minimum Requirements46
Power Supply Efficiency for Energy Regulations - ENERGY STAR* and CEC PC Computers with High Expandability Score (Recommended)47
Table 4-17: Low Load Efficiency Requirements Depending on Overall PSU Size47
Table 4-18: 10W Load Condition (Value in Amps for PSU ≤ 500 Watts)47
Table 4-19: ENERGY STAR* Efficiency Versus Load48
Mechanical49
Labeling and Marking (Recommended)49
Connectors (Required)50
AC Connector50
DC Connectors50
Figure 5-1: 12VHPWR Connector Labeling Example50
Table 5-1: 4.2 MM Power Header Main Power Connector Part Numbers50
Figure 5-2: 4.2 MM Power Header 10 Pin Main Power - Pin Locations51
Figure 5-3: 4.2 MM Power Header 10 Pin Main Power - Motherboard Connector, PC Board Layout with Dimensions52
Table 5-2: Main Power Connector Pinout53
Table 5-3: Extra Board Connector - Required Vs. Optional54
Table 5-4: Extra Board Power Connector 6 Pin Connector Pinout54
Table 5-5: +12V Power 4 Pin Connector Pinout54
Table 5-6: +12V Power 8 Pin Connector Pinout55
Table 5-7: Pcie* 2X3 Auxiliary Power Connector Pin Assignment (75 Watts)55
Table 5-8: Pcie* 2X4 Auxiliary Power Connector Pin Assignment (150 Watts)56
Table 5-9: Pcie* 2X4 Auxiliary Power Connector Sense Pin Decoding by AIC57
Figure 5-4: 12VHPWR Cable Plug Connector58
Figure 5-5: 12VHPWR Cable Assembly59
Figure 5-6: 12VHPWR Cable Plug Connection Recommendation60
Table 5-10: Pcie* 12VHPWR Auxiliary Power Connector Pin Assignment (600 Watts)61
Table 5-11: Peripheral Connector Pinout61
Connector from Motherboard to Storage Devices - Reference62
Motherboard Connector62
Table 5-12: 3 MM SATA Power 4 Pin Connector Part Numbers62
Figure 5-7: 3 MM SATA Power 4 Pin MB Header - Motherboard Connector Diagram (Pin Locations and Latch Location)63
Figure 5-8: 3 MM SATA Power 4 Pin MB Header - Recommended PCB Layout63
Layer View)63
Table 5-13: SATA MB Power 4 Pin Connector Pinout63
Figure 5-9: 3 MM SATA Power 4 Pin Cable Connector - Key and Pin Locations64
Table 5-14: 2 SATA Power Cable Part Numbers64
Figure 5-10: 3 MM SATA Power 6 Pin MB Header - Recommended PCB Layout65
Layer View)65
Table 5-15: 3 MM SATA Power 6 Pin Connector Part Numbers65
Table 5-16: +12 V Power 6 Pin Connector Pinout65
Figure 5-11: 3 MM SATA Power 6 Pin MB Header - Keying and Pin Locations66
Figure 5-12: 3 MM SATA Power 6 Pin/4 SATA Device Cable Diagram (Connector Top View)66
Figure 5-13: 3 MM SATA Power 6 Pin Cable Connector - Traditional Cable Diagram66
Serial ATA Connectors (Reference)67
Figure 5-14: 3 MM SATA Power 6 Pin Cable Connector - Key and Pin Locations67
Table 5-17: SATA Power Cable Supporting 4 SATA Devices Part Numbers67
Figure 5-15: Serial ATA Power Connector68
Table 5-18: Serial ATA Power Connector Pinout68
Airflow and Fans (Recommended)69
Fan Location and Direction69
Fan Size and Speed69
Venting69
Acoustics71
Table 6-1: Recommended Power Supply Acoustic Targets71
Environmental72
Temperature (Recommended)72
Thermal Shock (Shipping)72
Humidity (Recommended)72
Altitude (Recommended)72
Mechanical Shock (Recommended)72
Random Vibration (Recommended)73
Electromagnetic Compatibility74
Emissions (Required)74
Immunity (Required)74
Input Line Current Harmonic Content (Optional)74
Magnetic Leakage Field (Required)74
Table 8-1: EMC Requirement by Country74
Voltage Fluctuations and Flicker (Required)75
Safety76
North America (Required)76
International (Required)76
Proscribed Materials (Required)77
Catastrophic Failure Protection (Recommended)77
Reliability78
Reliability (Recommended)78
Reliability - PS_ON# Toggle for S0Ix Mode (Required)78
CFX12V Specific Guidelines 2.079
Physical Dimensions (Required)79
Figure 11-1: CFX12V Mechanical Outline79
LFX12V Specific Guidelines 2.080
Physical Dimensions (Required)80
Figure 12-1: LFX 12V Mechanical Outline80
Figure 12-2: LFX 12V Mechanical Details81
Figure 12-3: LFX 12V PSU Slot Feature Detail81
Figure 12-4: LFX 12V Recommended Chassis Tab Feature82
ATX12V Specific Guidelines 3.083
Figure 13-1: ATX12V Power Supply Dimensions for Chassis Not Requiring Top Venting83
Figure 13-2: ATX12V Power Supply Dimensions for Chassis that Require Top Venting84
SFX12V Specific Guidelines 4.085
Lower Profile Package - Physical Dimensions (Required)85
Fan Requirements (Required)85
Figure 14-1: SFX12V 40 MM Profile Mechanical Outline86
Figure 14-2: SFX121V Chassis Cutout86
Top Fan Mount Package - Physical Dimensions (Required)87
Fan Requirements (Required)87
Figure 14-3: SFX12V Top Mount Fan Profile Mechanical Outline88
Reduced Depth Top Mount Fan - Physical Dimensions (Required)89
Fan Requirements (Required)89
Figure 14-4: SFX12V Chassis Cutout89
Figure 14-5: SFX12V Recessed Fan Mounting89
Figure 14-6: SFX12V Reduced Depth Top Mount Fan Profile Mechanical Outline90
Standard SFX Profile Package - Physical Dimensions (Required)91
Fan Requirements (Required)91
Figure 14-7: SFX12V Top Mount Fan, Inside Enclosure Mechanical Outline91
Larger Fan)91
Figure 14-8: SFX12V Chassis Cutout91
Figure 14-9: SFX12V 60 MM Mechanical Outline92
PS3 Form Factor - Physical Dimensions (Required)93
Fan Requirements (Required)93
Figure 14-10: SFX12V Chassis Cutout93
Figure 14-11: SFX12V PS3 Mechanical Outline94
TFX12V Specific Guidelines 3.095
Physical Dimensions (Required)95
Figure 15-1: TFX12V Mechanical Outline95
Figure 15-2: TFX12V Dimensions and Recommended Feature Placements96
Scale)96
Mounting Options (Recommended)97
Figure 15-3: TFX12V Power Supply Mounting Slot Detail97
Chassis Requirements (Recommended)98
Figure 15-4: TFX12V Fan Right and Fan Left Orientations of Power Supply in Chassis98
Figure 15-5: Suggested TFX12V Chassis Cutout98
Figure 15-6: TFX12V Suggested Mounting Tab (Chassis Feature)99
Flex ATX Specific Guidelines 2.0100
Physical Dimensions (Required)100
Figure 16-1: Flex ATX Mechanical Outline100
Figure 16-2: Flex ATX Dimensions and Recommended Feature Placements (Not to Scale)101

Intel ATX12VO - Figure 15-6: TFX12 V Suggested Mounting Tab (Chassis Feature)

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