82801DB Datasheet, PDF(69/587 Page) Intel Corporation – Intel 82801DB I/O Controller Hub 4 (ICH4)

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82801DB Datasheet, PDF (69/587 Pages) Intel Corporation – Intel 82801DB I/O Controller Hub 4 (ICH4)

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Functional Description

Figure 5-1. Primary Device Status Register Error Reporting Logic

D30:F0 BRIDGE_CNT

[Parity Error Response Enable]

D30:F0 BRIDGE_CNT

[SERR# Enable]

PCI Address Parity Error

AND

AND

D30:F0 CMD

[SERR_EN]

OR

D30:F0 ERR_STS

[SERR_DTT]

Delayed Transaction Timeout

D30:F0 ERR_CMD

[SERR_DTT_EN]

AND

D30:F0 CMD

[SERR_EN]

AND

SERR# Pin

AND

OR

D30:F0 BRIDGE_CNT

[SERR# Enable]

D30:F0 ERR_CMD

[SERR_RTA_EN]

Received Target Abort

AND

D30:F0 PD_STS

[SSE]

D30:F0 ERR_STS

[SERR_RTA]

Figure 5-2. Secondary Status Register Error Reporting Logic

D30:F0 BRIDGE_CNT

[SERR# Enable]

PCI Delayed Transaction Timeout

D31:F0 D31_ERR_CFG

[SERR_DTT_EN]

AND

LPC Device Signaling an Error

IOCHK# via SERIRQ

OR

TCO1_STS

[HUBERR_STS]

D31:F0 D31_ERR_CFG

[SERR_RTA_EN]

Received Target Abort

AND

AND

D30:F0 SECSTS

[SSE]

IntelÂ® 82801DB ICH4 Datasheet

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