AMD AMD5K86 - Bus Signals

AMD~
AMD5116 Processor Technical Reference Manual
18524B/O-Mar1996
A.I Bus Signals
A.I.I
Signal Comparison
Table A-l compares the signals on the Pentium processor with
those on the AMD5
K
86 processor, showing which signals are
supported on each processor.
TABLE A-l. AMD5
K
86 and Pentium Processor Signal Comparison
Pentium
Signal (735\90,
AMD5
K
86
Function
815\100)
:AZ!JM x x Address Bit 20 Mask
A31-A3
x x Address Bus
ADS x x Address Strobe
AIJSC x x Address Strobe
AHOLD
x x Address Hold
AP x x
Address Parity .
:APCHK x x Address Parity Check
APICEN x APIC Enable (High during RESET)
PICD1
x PIC Data 1
BE7-BEU x x Byte Enables
Flush(4)
x
Dual-Processor Flush
APICID3-APICIDO
x
APIC ID (duringreset)
BF x x Bus-to-Core Frequency Ratio
BOFF x x Bus Backoff
BP3-BP2
x
Breakpoint 3 to 2
BP1-BPOI Breakpoint 1 to 0 or
PM1-PMO
x
Performance Monitor 1 to 0
BRDY x x
Burst Ready
BRDYC
x
Drive-Strength Control (during RESET)
x x
Burst Ready
BREQ x x
Bus Request
BUsCHK
x x
Drive-Strength Control (during RESET)
x x Bus Check
CACHE x x
Cacheable Cycle
A-2