PC4-PRESTO • CompactPCI
®
PlusIO • 4
th
Generation Intel
®
Core™-4xxx Processor
Write/Read Control Register 0
Write: SMBus Address 0xA0
Default after reset: 0x00
Read: SMBus Address 0xA1
Bit
Description CMD_CTRL0
7
GPLED
0=Green part of the front panel LED GP is off (Default)
1=Green part of the front panel LED GP is on
6
FPDIS
0=Enable the front panel handle switch (Default)
1=Disable the front panel handle switch
5
FERP#
0=The front panel handle switch generates a power event (Default)
1=The front panel handle switch generates a system reset
4:3
WDGT0:WDGT1
Maximum Watchdog retrigger time:
0:0
2 sec
1:0
10 sec
0:1
50 sec
1:1
250 sec
2
WDGTRG
Retrigger Watchdog. Any change of this bit will retrigger the watchdog.
After a system reset the watchdog is in an inactive state. The watchdog is armed on the 1
st
edge of this bit.
1
PGLED
0=Red part of the front panel LED PG is off (Default)
1=Red part of the front panel LED PG is blinking
0
SRES
0=Normal operation (Default)
1=A full system reset is performed
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