Compatible Cyrix Cpu Identification - Asus P5A-B User Manual

Compatible Cyrix CPU Identification

The only Cyrix 6x86-PR166+ CPU that is supported on this
motherboard must be Revision 2.7 or later. Look on the un-
derside of the CPU for the serial number. The number should
read G8DC6620A or later.
5. Voltage Regulator Output Selection (VID0, 1, 2, 3)
These jumpers set the voltage supplied to the CPU. Switching regulators allow
some jumper settings to be the same for two voltages of different power planes.
AMD-K6-2 AMD-K6
(PR266 & faster) (PR166 & faster)
WARNING! Because CPU designs change rapidly, the table below is only in-
tended as a simple guideline and thus may not be true for your CPU. Always
refer to the CPU documentation for your CPU's voltage and then set the appro-
priate VID jumpers according to the illustration below.
Manufacturer CPU Type
AMD (.25micron) K6-233,266,300
K6-2-266,300,333
AMD K5
IBM/Cyrix 6x86
Intel P54C/P54CS
AMD K5
Intel P54C/P54CS
AMD (.35micron) K6-PR233
AMD (.35micron) K6-166,200
IBM/Cyrix 6x86MX
Intel P55C-MMX
P5A-B CPU Vcore Voltage Selection
18
III. INSTALLATION
Pentium MMX (P55C)
(150MHz-233MHz)
Single Plane
----
3.5V(VRE)
3.5V(VRE)
3.5V(VRE)
3.4V(STD)
3.4V(STD)
----
----
----
----
1
2
3
2.0Volts
1
2
3
2.5Volts
1
2
3
3.0Volts
1
2
3
ASUS P5A-B User's Manual
AMD-K5 IBM/Cyrix 6x86 (M1)
(PR75-PR133) (PR166 & faster)
Dual Plane VID0 VID1 VID2 VID3
2.2V(Dual) [1-2] [2-3] [1-2] [1-2]
---- [2-3] [2-3] [2-3] [2-3]
---- [2-3] [2-3] [2-3] [2-3]
---- [2-3] [2-3] [2-3] [2-3]
---- [1-2] [2-3] [2-3] [2-3]
--- [1-2] [2-3] [2-3] [2-3]
3.2V(Dual) [1-2] [1-2] [2-3] [2-3]
2.9V(Dual) [2-3] [1-2] [1-2] [2-3]
2.9V(Dual) [2-3] [1-2] [1-2] [2-3]
2.8V(Dual) [1-2] [1-2] [1-2] [2-3]
2.1Volts 2.2Volts 2.3Volts
2.6Volts 2.7Volts 2.8Volts
3.1Volts 3.2Volts 3.3Volts
3.5Volts
IBM/Cyrix 6x86 (M1)
(PR166 & faster)
2.4Volts
2.9Volts
3.4Volts