Compatible Cyrix Cpu Identification - Asus Pentium TX97-E User Manual

III. INSTALLATION

Compatible Cyrix CPU Identification

The only Cyrix CPU that is supported on this motherboard is
labeled Cyrix 6x86 P166+ but must be Revision 2.7 and later.
Look on the underside of the CPU for the serial number. The
number should read G8DC6620A or larger.
4. Voltage Regulator Output Selection (VID0, 1, 2)
These jumpers set the voltage supplied to the CPU. The voltage regulators will
automatically detect and switch between Single Power Plane & Dual Power Planes.
Intel P54C Pentium Intel P55C Pentium
(75-200MHz) MMX (150-200MHz)
Type
Intel/AMD/Cryix P54C/CS/K5/M1 3.5V(VRE)
Intel/AMD
AMD
AMD
Intel/Cyrix
AMD-K5
(PR75-133MHz)
Setting Voltage
P54C/CS/K5 3.4V(STD)
K6-PR233 3.2V
K6-PR166,PR200 2.9V
P55C-MMX/M2 2.8V
1 2 3 1 2 3
P54C/CS/K5/M1 P54C/CS/K5
(VRE 3.5V) (STD 3.4V)
CPU Vcore Voltage Selection
ASUS TX97-E User's Manual
AMD-K6 Cyrix 6x86 166+
(PR166-233MHz) Rev2.7 (133MHz)
VID2 VID1 VID0
[2-3] [----] [1-2]
[2-3] [----] [2-3]
[1-2] [2-3] [2-3]
[2-3] [2-3] [1-2]
[2-3] [2-3] [2-3]
1 2 3 1 2 3 1 2 3
K6-166,200 K6-PR233 P55C/M2
(2.9 Volts) (3.2 Volts) (2.8 Volts)
17