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ERP2U Power Supply Design Guide, V1.0
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8.2 PWOK (Power OK)..........................................................................................................................27
8.3 SMBus Communication....................................................................................................................28
8.3.1 Field Replacement Unit (FRU) Signals .......................................................................................28
8.3.2 Module FRU Data.....................................................................................................................28
8.3.3 Module FRU Data Format .........................................................................................................28
8.4 LED Indicators.................................................................................................................................30
9 MTBF ................................................................................................................................................31
10 Agency Requirements ......................................................................................................................31
Figures
Figure 1: Enclosure Drawing...........................................................................................................................7
Figure 2: Output Voltage Timing ...................................................................................................................21
Figure 3: Turn On/Off Timing ........................................................................................................................23
Figure 4: PSON# Signal Characteristics........................................................................................................26
Tables
Table 1: Thermal Requirements......................................................................................................................9
Table 2: AC Input Rating..............................................................................................................................10
Table 3: Efficiency .......................................................................................................................................10
Table 4: AC Line Sag Transient Performance................................................................................................12
Table 5: AC Line Surge Transient Performance.............................................................................................12
Table 6: P1 Baseboard Power Connector......................................................................................................13
Table 7: Processor Power Connector ............................................................................................................13
Table 8: Peripheral Power Connectors ..........................................................................................................14
Table 9: P9 Floppy Power Connector ............................................................................................................14
Table 10: Server Signal Connector................................................................................................................15
Table 11: 350 W Load Ratings......................................................................................................................16
Table 12: 480 W Load Ratings......................................................................................................................16
Table 13: Voltage Regulation Limits..............................................................................................................17
Table 14: Optional +5V Regulation Limits......................................................................................................17
Table 15: Transient Load Requirements........................................................................................................18
Table 16: Capacitve Loading Conditions........................................................................................................18
Table 17: Ripple and Noise ..........................................................................................................................19
Table 18: Output Voltage Timing...................................................................................................................21
Table 19: Turn On/Off Timing .......................................................................................................................22
Table 20: Over Current Protection.................................................................................................................24
Table 21: Over Current Protection.................................................................................................................25
Table 22: Over Voltage Limits.......................................................................................................................25
Table 23: PSON
#
Signal Characteristic..........................................................................................................26
Table 24: PWOK Signal Characteristics ........................................................................................................27
Table 25: FRU Device Information ................................................................................................................28
Table 26: FRU Device Product Information Area............................................................................................28
Table 27: FRU Device Product Information Area............................................................................................29
Table 28: LED Indicators ..............................................................................................................................30