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Intel
Server Chassis H2000 Family TPS
delay time shall inhibited as long as any power supply output is in current limit.
Signal Type
PWOK = High
PWOK = Low
Logic level low voltage, Isink=400uA
Logic level high voltage, Isource=200µA
Sink current, PWOK = low
Source current, PWOK = high
PWOK delay: Tpwok_on
PWOK rise and fall time
Power down delay: T pwok_off
3.5.3
SMBAlert# Signal
This signal indicates that the power supply is experiencing a problem that the user should
investigate. This shall be asserted due to Critical events or Warning events. The signal shall
activate in the case of critical component temperature reached a warning threshold, general
failure, over-current, over-voltage, under-voltage, failed fan. This signal may also indicate the
power supply is reaching its end of life or is operating in an environment exceeding the
specified limits.
This signal is to be asserted in parallel with LED turning solid Amber or blink Amber.
Signal Type (Active Low)
Alert# = High
Alert# = Low
Logic level low voltage, Isink=4 mA
Logic level high voltage, Isink=50 µA
Revision 1.5
Table 28. PWOK Signal Characteristics
Table 29. SMBAlert# Signal Characteristics
Open collector/drain output from power supply. Pull-
Intel order number: G59059-006
Power Sub-System
Power OK
Power Not OK
MIN
0V
2.4V
3.46V
400uA
100ms
1000ms
100µsec
1ms
200msec
up to VSB located in system.
OK
Power Alert to system
MIN
MAX
0 V
0.4 V
3.46 V
MAX
0.4V
2mA
29
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