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ATX12VO
Intel ATX12VO User Manual
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Electrom
agnetic Comp
atibility
6137
68
75
8.5
Voltage Fl
uctuations and Flicker
(R
equi
red)
The power sup
ply shall meet the specif
ied limits of E
N61000
-3-
3 (IEC 61000
-
3-
3) and
amendment
A1 to EN 61000
-
3-
3 (IEC 61000
-3-
3/A1) for voltage fluctuations an
d
flicker f
or equipment drawi
ng not more than 1
6V
AC, connec
ted to low v
oltage
distri
bution sys
tems.
§§
74
76
Table of Contents
Table of Contents
3
Introduction
11
Power Supplies and Alternative Low Power Mode
11
System Power Telemetry Feature
12
References
12
Terminology
13
Table 1-1: Conventions and Terminology
14
Table 1-2: Support Terminology
15
Processor Configurations
16
Processor Configurations (Recommended)
16
High End Desktop Market Processor Considerations
16
Table 2-1: Processor Configurations - 12V2 Current
16
Modular Power Supply Connectors
17
Overclocking Recommendations
18
PCI Express* Add-In Card Considerations
19
Pcie* Add-In Card Power Excursions
19
Table 3-1: PCI Express CEM Add-In Card Power Excursion Limits Table
20
Pcie* Add-In-Card and PSU Power Budgets
21
Figure 3-1: PCI Express* CEM Add-In-Card Power Excursion Limits Chart
21
Table 3-2: Pcie* AIC and PSU Power Budget Used for Peak Power Excursion Test
22
PSU Power Excursion
23
Table 3-3: Pcie* AIC and PSU Power Budget Used for Peak Power Excursion
23
Pcie* AIC Auxiliary Power Connectors
24
Figure 3-2: Duty Cycle Definition
24
Table 3-4: Duty Cycle Example Test Criteria for a 1000W PSU - RMS
24
Pcie* Add-In-Card Auxiliary Power Connectors Sideband Signals
25
Sense1 / Sense0 (Required)
25
Table 3-5: Auxiliary Power Connectors Power Supply Rail Requirements - +12V Only
25
CARD_PWR_STABLE (Optional)
26
Table 3-6: PCI Express* 12VHPWR Connector Power Limits
26
CARD_CBL_PRES# (Optional)
27
Sideband Signals DC Specifications (Required)
28
Table 3-7: PCI Express* 12VHPWR Connector - Sideband Signal DC Specifications
28
Electrical
29
AC Input - REQUIRED
29
Input over Current Protection (Required)
29
Inrush Current (Required)
29
Input under Voltage (Required)
29
Table 4-1: AC Input Line Requirements
29
DC Output (Required)
30
DC Voltage Regulation (Required)
30
DC Output Current (Required)
30
Table 4-2: DC Output Voltage Regulation
30
Table 4-3: DC Output Transient Step Sizes
30
Remote Sensing (Optional)
31
Other Low Power System Requirements (Required)
31
Table 4-4: DC Output Transient Slew Rate
31
Output Ripple Noise (Required)
32
Table 4-5: Required System DC and AC Power Consumption
32
Table 4-6: DC Output Noise/Ripple
32
Capacitive Load (Recommended)
33
Closed Loop Stability (Required)
33
Figure 4-1: Differential Noise Test Setup
33
Table 4-7: Output Capacitive Loads
33
Multiple 12V Rail Power Sequencing (Required)
34
Voltage Hold-Up Time (Required)
34
Timing, Housekeeping, and Control (Required)
34
Figure 4-2: Power on Timing
34
Table 4-8: Power Supply Timing
34
PWR_OK (Required)
35
PS_ON# (Required)
35
Table 4-9: PWR_OK Signal Characteristics
35
Table 4-10: PS_ON# Signal Characteristics
36
12VSB (Required)
37
Figure 4-3: PS_ON# Signal Characteristics
37
Power-On Time (Required)
38
Rise Time (Required)
38
Figure 4-4: +12VSB Power on Timing Versus VAC
38
Overshoot at Turn-On / Turn-Off (Required)
39
I_PSU% Signal (Required)
39
Figure 4-5: Rise Time Characteristics
39
Table 4-11: I_PSU% Signal Characteristics
39
Figure 4-6: I_PSU% Delay Time Diagram
41
Figure 4-7: Recommended Circuit Diagram for I_PSU% Signal Inside PSU
42
Table 4-12: PCIE AIC and PSU Power Budget Used for Peak Power Excursion
43
Table 4-13: Duty Cycle Example Test Criteria for a 750W PSU - RMS
43
Table 4-14: Duty Cycle Example Test Criteria for a 1000W PSU - RMS
43
Reset after Shutdown
44
12VSB at Power-Down (Required)
44
12VSB Fall Time (Recommended)
44
Figure 4-8: 12VSB Fall Time
44
Output Protection
45
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 Protection
45
Over Temperature Protection (OTP) (Required)
46
Output Bypass (Required)
46
Separate Current Limit for 12V2 (Optional)
46
Overall Power Supply Efficiency Levels
46
Table 4-16: Efficiency Load Minimum Requirements
46
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 Size
47
Table 4-18: 10W Load Condition (Value in Amps for PSU ≤ 500 Watts)
47
Table 4-19: ENERGY STAR* Efficiency Versus Load
48
Mechanical
49
Labeling and Marking (Recommended)
49
Connectors (Required)
50
AC Connector
50
DC Connectors
50
Figure 5-1: 12VHPWR Connector Labeling Example
50
Table 5-1: 4.2 MM Power Header Main Power Connector Part Numbers
50
Figure 5-2: 4.2 MM Power Header 10 Pin Main Power - Pin Locations
51
Figure 5-3: 4.2 MM Power Header 10 Pin Main Power - Motherboard Connector, PC Board Layout with Dimensions
52
Table 5-2: Main Power Connector Pinout
53
Table 5-3: Extra Board Connector - Required Vs. Optional
54
Table 5-4: Extra Board Power Connector 6 Pin Connector Pinout
54
Table 5-5: +12V Power 4 Pin Connector Pinout
54
Table 5-6: +12V Power 8 Pin Connector Pinout
55
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 AIC
57
Figure 5-4: 12VHPWR Cable Plug Connector
58
Figure 5-5: 12VHPWR Cable Assembly
59
Figure 5-6: 12VHPWR Cable Plug Connection Recommendation
60
Table 5-10: Pcie* 12VHPWR Auxiliary Power Connector Pin Assignment (600 Watts)
61
Table 5-11: Peripheral Connector Pinout
61
Connector from Motherboard to Storage Devices - Reference
62
Motherboard Connector
62
Table 5-12: 3 MM SATA Power 4 Pin Connector Part Numbers
62
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 Layout
63
Layer View)
63
Table 5-13: SATA MB Power 4 Pin Connector Pinout
63
Figure 5-9: 3 MM SATA Power 4 Pin Cable Connector - Key and Pin Locations
64
Table 5-14: 2 SATA Power Cable Part Numbers
64
Figure 5-10: 3 MM SATA Power 6 Pin MB Header - Recommended PCB Layout
65
Layer View)
65
Table 5-15: 3 MM SATA Power 6 Pin Connector Part Numbers
65
Table 5-16: +12 V Power 6 Pin Connector Pinout
65
Figure 5-11: 3 MM SATA Power 6 Pin MB Header - Keying and Pin Locations
66
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 Diagram
66
Serial ATA Connectors (Reference)
67
Figure 5-14: 3 MM SATA Power 6 Pin Cable Connector - Key and Pin Locations
67
Table 5-17: SATA Power Cable Supporting 4 SATA Devices Part Numbers
67
Figure 5-15: Serial ATA Power Connector
68
Table 5-18: Serial ATA Power Connector Pinout
68
Airflow and Fans (Recommended)
69
Fan Location and Direction
69
Fan Size and Speed
69
Venting
69
Acoustics
71
Table 6-1: Recommended Power Supply Acoustic Targets
71
Environmental
72
Temperature (Recommended)
72
Thermal Shock (Shipping)
72
Humidity (Recommended)
72
Altitude (Recommended)
72
Mechanical Shock (Recommended)
72
Random Vibration (Recommended)
73
Electromagnetic Compatibility
74
Emissions (Required)
74
Immunity (Required)
74
Input Line Current Harmonic Content (Optional)
74
Magnetic Leakage Field (Required)
74
Table 8-1: EMC Requirement by Country
74
Voltage Fluctuations and Flicker (Required)
75
Safety
76
North America (Required)
76
International (Required)
76
Proscribed Materials (Required)
77
Catastrophic Failure Protection (Recommended)
77
Reliability
78
Reliability (Recommended)
78
Reliability - PS_ON# Toggle for S0Ix Mode (Required)
78
CFX12V Specific Guidelines 2.0
79
Physical Dimensions (Required)
79
Figure 11-1: CFX12V Mechanical Outline
79
LFX12V Specific Guidelines 2.0
80
Physical Dimensions (Required)
80
Figure 12-1: LFX 12V Mechanical Outline
80
Figure 12-2: LFX 12V Mechanical Details
81
Figure 12-3: LFX 12V PSU Slot Feature Detail
81
Figure 12-4: LFX 12V Recommended Chassis Tab Feature
82
ATX12V Specific Guidelines 3.0
83
Figure 13-1: ATX12V Power Supply Dimensions for Chassis Not Requiring Top Venting
83
Figure 13-2: ATX12V Power Supply Dimensions for Chassis that Require Top Venting
84
SFX12V Specific Guidelines 4.0
85
Lower Profile Package - Physical Dimensions (Required)
85
Fan Requirements (Required)
85
Figure 14-1: SFX12V 40 MM Profile Mechanical Outline
86
Figure 14-2: SFX121V Chassis Cutout
86
Top Fan Mount Package - Physical Dimensions (Required)
87
Fan Requirements (Required)
87
Figure 14-3: SFX12V Top Mount Fan Profile Mechanical Outline
88
Reduced Depth Top Mount Fan - Physical Dimensions (Required)
89
Fan Requirements (Required)
89
Figure 14-4: SFX12V Chassis Cutout
89
Figure 14-5: SFX12V Recessed Fan Mounting
89
Figure 14-6: SFX12V Reduced Depth Top Mount Fan Profile Mechanical Outline
90
Standard SFX Profile Package - Physical Dimensions (Required)
91
Fan Requirements (Required)
91
Figure 14-7: SFX12V Top Mount Fan, Inside Enclosure Mechanical Outline
91
Larger Fan)
91
Figure 14-8: SFX12V Chassis Cutout
91
Figure 14-9: SFX12V 60 MM Mechanical Outline
92
PS3 Form Factor - Physical Dimensions (Required)
93
Fan Requirements (Required)
93
Figure 14-10: SFX12V Chassis Cutout
93
Figure 14-11: SFX12V PS3 Mechanical Outline
94
TFX12V Specific Guidelines 3.0
95
Physical Dimensions (Required)
95
Figure 15-1: TFX12V Mechanical Outline
95
Figure 15-2: TFX12V Dimensions and Recommended Feature Placements
96
Scale)
96
Mounting Options (Recommended)
97
Figure 15-3: TFX12V Power Supply Mounting Slot Detail
97
Chassis Requirements (Recommended)
98
Figure 15-4: TFX12V Fan Right and Fan Left Orientations of Power Supply in Chassis
98
Figure 15-5: Suggested TFX12V Chassis Cutout
98
Figure 15-6: TFX12V Suggested Mounting Tab (Chassis Feature)
99
Flex ATX Specific Guidelines 2.0
100
Physical Dimensions (Required)
100
Figure 16-1: Flex ATX Mechanical Outline
100
Figure 16-2: Flex ATX Dimensions and Recommended Feature Placements (Not to Scale)
101
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Intel ATX12VO Specifications
General
Brand
Intel
Model
ATX12VO
Category
Power Supply
Language
English
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