4 pcists - pci status register (device #2), 4 pcists – pci status register (device #2) – Intel D15343-003 User Manual

Page 103

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Register Description

D15343-003

103

4.11.4

PCISTS – PCI Status Register (Device #2)

PCISTS is a 16-bit status register that reports the occurrence of a PCI compliant master abort and
PCI compliant target abort. PCISTS also indicates the DEVSEL# timing that has been set by the
IGD.

4.11.5

RID – Revision Identification Register (Device #2)

This register contains the revision number of the IGD. These bits are Read Only and Writes to this
register have no effect.

Address Offset:
Default Value:
Access:
Size:

06-07h
0090h
Read Only
16 bits

Bit

Description

15

Detected Parity Error (DPE):

Since the IGD does not detect parity, this bit is always set to 0.

14

Signaled System Error (SSE) – RO

13

Received Master Abort Status (RMAS) – RO

12

Received Target Abort Status (RTAS) – RO

11

Signaled Target Abort Status (STAS) – RO

10:9

DEVSEL# Timing (DEVT) – RO

8

Data Parity Detected (DPD) – RO

7

Fast Back-to-Back (FB2B) – RO

6

User Defined Format (UDF) – RO

5

66-MHz PCI Capable (66C) – RO

4

CAP LIST:

This bit is set to 1 to indicate that the register at 34h provides an offset into the

Function’s PCI Configuration Space containing a pointer to the location of the first item in the list.

3:0

Reserved

Address Offset:
Default Value:
Access:
Size:

08h
02h
Read Only
8 bits

Bit

Description

7:0

Revision Identification Number:

This is an 8-bit value that indicates the revision identification

number for the GMCH.

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