307013-003 Datasheet, PDF (672/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

PCI Express* Configuration Registers (Desktop and Mobile Only)
18.1.14 SSTS—Secondary Status Register
(PCI Express—D28:F0/F1/F2/F3/F4/F5)
Address Offset: 1Eh–1Fh
Default Value: 0000h
Attribute:
Size:
R/WC
16 bits
Bit
15
14
13
12
11
10:9
8
7
6
5
4:0
Description
Detected Parity Error (DPE) — R/WC.
0 = No error.
1 = The port received a poisoned TLP.
Received System Error (RSE) — R/WC.
0 = No error.
1 = The port received an ERR_FATAL or ERR_NONFATAL message from the device.
Received Master Abort (RMA) — R/WC.
0 = Unsupported Request not received.
1 = The port received a completion with “Unsupported Request” status from the device.
Received Target Abort (RTA) — R/WC.
0 = Completion Abort not received.
1 = The port received a completion with “Completion Abort” status from the device.
Signaled Target Abort (STA) — R/WC.
0 = Completion Abort not sent.
1 = The port generated a completion with “Completion Abort” status to the device.
Secondary DEVSEL# Timing Status (SDTS): Reserved per PCI Express* Base
Specification.
Data Parity Error Detected (DPD) — R/WC.
0 = Conditions below did not occur.
1 = Set when the BCTRL.PERE (D28:FO/F1/F2/F3/F4/F5:3E: bit 0) is set, and either of
the following two conditions occurs:
— Port receives completion marked poisoned.
— Port poisons a write request to the secondary side.
Secondary Fast Back to Back Capable (SFBC): Reserved per PCI Express* Base
Specification.
Reserved
Secondary 66 MHz Capable (SC66). Reserved per PCI Express* Base Specification.
Reserved
672
Intel ^® ICH7 Family Datasheet