82801DB Datasheet, PDF (118/587 Pages) Intel Corporation – Intel 82801DB I/O Controller Hub 4 (ICH4)

Functional Description
Table 5-22. APIC Bus Status Cycle Definition
Delivery Mode
A
Comments
11 Checksum OK
Fixed, EOI
10 Error
01 Error
00 Checksum Error
11 Checksum OK
NMI, SMM, Reset,
ExtINT
10 Error
01 Error
00 Checksum Error
11
Checksum OK: No Focus
Processor
Lowest Priority
Remote Read
10 Error
01
Checksum OK: Focus
Processor
00 Checksum Error
11 Checksum OK
10 Error
01 Error
00 Checksum Error
A1
Comments
1x Error
01 Accepted
00 Retry
xx
xx
xx
1x Error
01 Accepted
00 Error
xx
xx
xx
1x Error
01 End and Retry
00 Go for Low Priority Arbitration
xx
xx
xx
xx
xx
xx
xx
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Intel^® 82801DB ICH4 Datasheet