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電源供應器將交流電(AC)
110/220V轉換成
直流電(DC)
+12V,-12V,+5V,,+3.3V…等電源
主要提供給機箱內主機板,硬碟,光碟機…等週邊電源
電源供應器的大小常以它的功率為度量標準，其單位為瓦數
(watt)
電源供應器可從兩個方向分：
一.
機構尺寸：
PS2,SFX,
Redundant（備援式電源供應器）,CFX,TFX
主要
針對不同尺寸的機箱
二.
電源的輸出規格：
AT,ATX,ATX12,EPS12V
EPS12V file
((1)EPS12V_spec_2_11.pdf
(2)SSI_EEBV_3-512.pdf)
ATX12V file
((1)ATX12V_20PSDG2.0_20Ratifide.pdf)
以下針對電源供應器的電源輸出做介紹
1.交流輸入工作電壓(AC
Input Operating Voltage) 100-127VACrms and 200-
240V ACrms
AC Input Line
Reruirements
|
Parameter |
Minimun |
Nominal |
Maximu |
Unit |
|
Vin(115VAC) |
90 |
100-127 |
135 |
VACrms |
|
Vin(230VAC) |
180 |
200-240 |
265 |
VACrms |
|
Vin Frequency |
47 |
|
63 |
Hz |
2.直流輸出電壓標準(DC
Output Voltage Regulation)
|
Output |
Range |
Min. |
Nom. |
Max. |
Unilt |
|
+12VDC |
±5% |
+11.40 |
+12 |
+12.60 |
Volts |
|
+5VDC |
±5% |
+4.75 |
+5 |
+5.25 |
Volts |
|
+3.3VDC |
±5% |
+3.14 |
+3.3 |
+3.47 |
Volts |
|
-12VDC |
±10% |
-10.80 |
-12 |
-13.20 |
Volts |
|
+5VSB |
±5% |
+4.75 |
+5 |
+5.25 |
Volts |
SSI Server System
Ifrastructure
Power supply Specifications
EPS：Entry
power supply 12V 1U;2U
ERS：Entry Redundant power 12V 2U
1U= 1.75” or 44.45mm(chassis unit of
measure)
機構尺寸 Mechanical
Specifications
|
EPS 12V Pedestal Power supply |
| |
450W |
550W |
|
Width(mm) |
150 |
150 |
|
Height(mm) |
86 |
86 |
|
Length(mm) |
140/180 |
180 |
|
EPS1U Non-Redundant Power Supply |
| |
350W |
400W |
|
Width(mm) |
106 |
106 |
|
Height(mm) |
40 |
40 |
|
Length(mm) |
300 |
300 |
電源供應器輸出腳位定義
|
Common Plane
System (12V Rail Summary) |
|
+12V1 |
Processors |
|
+12V2 |
Baseboard component other than processors |
|
+12V3 |
Drives and peripherals |
|
P1 Baseboard Power
connector for EPS12V(main power connector) |
|
Pin |
signal |
18
AWG color |
Pin |
signal |
18
AWG color |
|
1 |
+3.3VDC |
Orange |
13 |
+3.3VDC |
Orange |
| 2 |
+3.3VDC |
Orange |
14 |
-12VDC |
Blue |
| 3 |
COM |
Black |
15 |
COM |
Black |
| 4 |
+5VDC |
Red |
16 |
PS_ON |
Green |
| 5 |
COM |
Black |
17 |
COM |
Black |
| 6 |
+5VDC |
Red |
18 |
COM |
Black |
| 7 |
COM |
Black |
19 |
COM |
Black |
| 8 |
PWR OK |
Gray |
20 |
Reserved (-5V in ATX) |
N.C. |
| 9 |
+5VSB |
Purple |
21 |
+5VDC |
Red |
| 10 |
+12V2 |
Yellow |
22 |
+5VDC |
Red |
| 11 |
+12V2 |
Yellow |
23 |
+5VDC |
Red |
| 12 |
+3.3VDC |
Orange |
24 |
COM |
Black |
|
Processor Power
connector for EPS12V (Processor power connector) |
|
Pin |
signal |
18
AWG color |
Pin |
signal |
18
AWG color |
|
1 |
COM |
Black |
13 |
+12V1 |
Yellow/Black stripe |
| 2 |
COM |
Black |
14 |
+12V1 |
Yellow |
| 3 |
COM |
Black |
15 |
+12V1 |
Yellow |
| 4 |
COM |
Black |
16 |
+12V1 |
Yellow |
有關
power supply 相關資訊可參考下列網站
http://www.ssiforum.org
http://www.formfactors.org
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