Intel 2 Quad Q8400S AT80580AJ0674ML Benutzerhandbuch
Produktcode
AT80580AJ0674ML
Datasheet
89
Features
6
Features
6.1
Power-On Configuration Options
Several configuration options can be configured by hardware. The processor samples
the hardware configuration at reset, on the active-to-inactive transition of RESET#. For
specifications on these options, refer to
The sampled information configures the processor for subsequent operation. These
configuration options cannot be changed except by another reset. All resets reconfigure
the processor; for configuration purposes, the processor does not distinguish between
a "warm" reset and a "power-on" reset.
NOTE:
1.
1.
Asserting this signal during RESET# will select the corresponding option.
2.
Address signals not identified in this table as configuration options should not be asserted
during RESET#.
during RESET#.
3.
Disabling of any of the cores within a processor must be handled by configuring the
EXT_CONFIG Model Specific Register (MSR). This MSR allows for the disabling of a single
core per die within the processor package.
EXT_CONFIG Model Specific Register (MSR). This MSR allows for the disabling of a single
core per die within the processor package.
6.2
Clock Control and Low Power States
The processor allows the use of AutoHALT and Stop-Grant states to reduce power
consumption by stopping the clock to internal sections of the processor, depending on
each particular state. See
power states.
Table 6-1.
Power-On Configuration Option Signals
Configuration Option
Signal
1,2
Output tristate
SMI#
Execute BIST
A3#
Disable dynamic bus parking
A25#
Symmetric agent arbitration ID
BR0#
RESERVED
A[24:4]#, A[35:26]#