Intel G640T CM8062301002204 User Manual

Product codes
CM8062301002204
Page of 296
Processor Configuration Registers
122
Datasheet, Volume 2
2.6.43
RCTL—Root Control Register
This register allows control of PCI Express Root Complex specific parameters. The 
system error control bits in this register determine if corresponding SERRs are 
generated when our device detects an error (reported in this device's Device Status 
register) or when an error message is received across the link. Reporting of SERR as 
controlled by these bits takes precedence over the SERR Enable in the PCI Command 
Register.
B/D/F/Type:
0/1/0–2/PCI
Address Offset:
BC–BDh
Reset Value:
0000h
Access:
RO, RW
Size:
16 bits
BIOS Optimal Default
000h
Bit
Attr
Reset 
Value
RST/
PWR
Description
15:4
RO
0h
Reserved
3
RW
0b
Uncore
PME Interrupt Enable (PMEIE)
0 = Disable. No interrupts are generated as a result of receiving 
PME messages.
1 = Enable interrupt generation upon receipt of a PME message as 
reflected in the PME Status bit of the Root Status Register. A 
PME interrupt is also generated if the PME Status bit of the 
Root Status Register is set when this bit is set from a cleared 
state. 
If the bit changes from 1 to 0 and an interrupt is pending, the 
interrupt is de-asserted.
2
RW
0b
Uncore
System Error on Fatal Error Enable (SEFEE)
Controls the Root Complex's response to fatal errors.
0 = Disable. No SERR generated on receipt of fatal error.
1 = Enable. SERR should be generated if a fatal error is reported 
by any of the devices in the hierarchy associated with this 
Root Port, or by the Root Port itself.
1
RW
0b
Uncore
System Error on Non-Fatal Uncorrectable Error Enable 
(SENFUEE)
Controls the Root Complex's response to non-fatal errors.
0 = Disable. No SERR generated on receipt of non-fatal error.
1 = Enable. SERR should be generated if a non-fatal error is 
reported by any of the devices in the hierarchy associated 
with this Root Port, or by the Root Port itself.
0
RW
0b
Uncore
System Error on Correctable Error Enable (SECEE)
Controls the Root Complex's response to correctable errors.
0 = Disable. No SERR generated on receipt of correctable error.
1 = Enable. SERR should be generated if a correctable error is 
reported by any of the devices in the hierarchy associated 
with this Root Port, or by the Root Port itself.