Intel i7-3920XM Extreme AW8063801009607 User Manual

Product codes
AW8063801009607
Page of 342
Processor Configuration Registers
124
Datasheet, Volume 2
3
RW1C
0b
Uncore
Presence Detect Changed (PDC) 
A pulse indication that the inband presence detect state has 
changed.
This bit is set when the value reported in Presence Detect State is 
changed.
2
RO
0b
Uncore
Reserved for MRL Sensor Changed (MSC) 
If an MRL sensor is implemented, this bit is set when a MRL 
Sensor state change is detected. If an MRL sensor is not 
implemented, this bit must not be set.
1
RO
0b
Uncore
Reserved for Power Fault Detected (PFD) 
If a Power Controller that supports power fault detection is 
implemented, this bit is set when the Power Controller detects a 
power fault at this slot. Depending on hardware capability, it is 
possible that a power fault can be detected at any time, 
independent of the Power Controller Control setting or the 
occupancy of the slot. If power fault detection is not supported, 
this bit must not be set.
0
RO
0b
Uncore
Reserved for Attention Button Pressed (ABP) 
If an Attention Button is implemented, this bit is set when the 
attention button is pressed. If an Attention Button is not 
supported, this bit must not be set.
B/D/F/Type:
0/1/0–2/PCI
Address Offset:
BA–BBh
Reset Value:
0000h
Access:
RO, RW1C, RO-V
Size:
16 bits
BIOS Optimal Default
00h
Bit
Access
Reset 
Value
RST/
PWR
Description