Intel SC5650BCDP User Manual

Page of 71
Intel
®
 Server System SC5650BCDP TPS 
Power Sub-System 
 
Revision 1.5 
Intel order number: E80367-002 
29
Signal Type 
 
Open collector/drain output from power supply.  Pull-up 
to VSB located in system. 
PWOK = High 
Power OK 
PWOK = Low 
Power Not OK 
 
MIN MAX 
Logic level low voltage, Isink=4mA 
0V 
0.4V 
Logic level high voltage, Isource=200
μA 
2.4V 5.25V 
Sink current, PWOK = low 
 
4mA 
Source current, PWOK = high 
 
2mA 
PWOK delay:   T
pwok_on
 100ms 
1000ms 
PWOK rise and fall time 
 
100
μsec 
Power down delay: T 
pwok_off
 1ms 
200msec 
 
3.1.8 
FRU Data  
The FRU data format is compliant with the IPMI, version 1.0 specification. To find the most 
current version of these specifications you can go to 
http:\\developer.intel.com/design/servers/ipmi/spec.htm.  
 
3.1.8.1 
Device Address Locations 
The power supply device address location is as follows: 
 
Power Supply FRU Device 
A0h