QG82945GSE S LB2R Intel, QG82945GSE S LB2R Datasheet - Page 107

• Manufacturer Part Number: QG82945GSE S LB2R
• Description: GRAPHICS AND MEM CNTRL HUB; No. of Pins: 998; Package / Case: FCBGA; Interface Type: PCI, SATA, USB
• Manufacturer: Intel

Host Bridge Device 0 - Configuration Registers (D0:F0)
5.1.30
Datasheet
ERRSTS - Error Status
B/D/F/Type:
Address Offset:
Default Value:
Access:
Size:
This register is used to report various error conditions via the SERR messaging
mechanism. An SERR message is generated on a 0-to-1 transition of any of these flags
(if enabled by the ERRCMD and PCICMD registers). These bits are set regardless of
whether or not the SERR is enabled and generated. After the error processing is
complete, the error logging mechanism can be unlocked by clearing the appropriate
status bit by software writing a 1 to it.
6:0
Bit
15
14
13
12
11
10
9
8
7
Access
R/WC
R/WC
R/WC
R/WC
R/WC
R/WC
RO
RO
RO
RO
Default
Value
00h
0b
0b
0b
0b
0b
0b
0b
0b
0b
Reserved
Reserved
Reserved
(G)MCH Software Generated Event for SMI:
This indicates the source of the SMI was a Device 2 Software
Event.
(G)MCH Thermal Sensor Event for SMI/SCI/SERR:
Indicates that a (G)MCH Thermal Sensor trip has occurred and an
SMI, SCI or SERR has been generated. The status bit is set only if
a message is sent based on Thermal event enables in Error
command, Smi command and Sci command registers. A trip point
can generate one of SMI, SCI, or SERR interrupts (two or more
per event is illegal). Multiple trip points can generate the same
interrupt, if software chooses this mode, subsequent trips may be
lost. If this bit is already set, then an interrupt message will not be
sent on a new thermal sensor event.
Reserved
LOCK to Non-DRAM Memory Flag (LCKF):
When this bit is set to 1, the MCH has detected a lock operation to
memory space that did not map into DRAM.
Received Refresh Timeout Flag (RRTOF):
This bit is set when 1024 memory core refreshes are enqueued.
DRAM Throttle Flag (DTF):
1:Indicates that a DRAM Throttling condition occurred.
0:Software has cleared this flag since the most recent throttling
event
Reserved
0/0/0/PCI
C8-C9h
0000h
R/WC; ROR/WC/S
16 bits
Description
107