PI7C8152AMA datasheet(82/90 Pages) PERICOM

82 / 90 page

PI7C8152A & PI7C8152B

2-PORT PCI-TO-PCI BRIDGE

ADVANCE INFORMATION

Page 82 of 90

October 16, 2003 – Revision 1.11

Bit

Function

Type

Description

Primary Memory

Read Command

Alias Enable

R/W

Controls PI7C8152x’s detection mechanism for matching memory

read retry cycles from the initiator on the primary interface

0: exact matching memory read retry cycles from initiator on the

primary interface

1: alias MEMRL or MEMRM to MEMR for memory read retry

cycles from the initiator on the primary interface

Reset to 1

Primary Memory

Write Command

Alias Enable

R/W

Controls PI7C8152x’s detection mechanism for matching non-posted

memory write retry cycles from the initiator on the primary interface

0: exact matching for non-posted memory read retry cycles from

initiator on the primary interface

1: alias MEMWI to MEMW for non-posted memory read retry cycles

from initiator on the primary interface

Reset to 0

Secondary

Memory Read

Command Alias

Enable

R/W

Controls PI7C8152x’s detection mechanism for matching memory

read retry cycles from the initiator on the secondary

0: exact matching for memory read retry cycles from initiator on the

secondary interface

1: alias MEMRL or MEMRM to MEMR for memory read retry

cycles from initiator on the secondary interface

Reset to 1

Secondary

Memory Write

Command Alias

Enable

R/W

Controls PI7C8152x’s detection mechanism for matching non-posted

memory write retry cycles from the initiator on the primary interface

0: exact matching for non-posted memory write retry cycles from

initiator on the secondary interface

1: alias MEMWI to MEMW for non-posted memory write retry

cycles from initiator on the secondary interface

Reset to 0

Primary Memory

Read

Line/Multiple

Alias Enable

R/W

Control’s PI7C8152x’s detection mechanism for matching memory

read line/multiple cycles from the initiator on the primary interface

0: exact matching for memory read line/multiple retry cycles from the

initiator on the primary interface

1: alias MEMRL to MEMRM or MEMRM to MEMRL for memory

read retry cycles from the initiator on the primary interface

Reset to 1

Secondary

Memory Read

Line/Multiple

Alias Enable

R/W

Control’s PI7C8152x’s detection mechanism for matching memory

read line/multiple cycles from the initiator on the secondary interface

0: exact matching for memory read line/multiple retry cycles from the

initiator on the secondary interface

1: alias MEMRL to MEMRM or MEMRM to MEMRL for memory

read retry cycles from the initiator on the secondary interface

Reset to 1

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