Compatible Cyrix Cpu Identification - Asus TXP4-X User Manual

Compatible Cyrix CPU Identification

The only Cyrix CPU that is supported on this motherboard is
labeled Cyrix 6x86 PR166+ but must be Revision 2.7 or later.
Look on the underside of the CPU for the serial number. The
number should read G8DC6620A or later.
3. Voltage Regulator Output Selection (VID0, 1, 2, 3)
These jumpers set the voltage supplied to the CPU. The voltage regulators will auto-
matically detect and switch between Single Power Plane & Dual Power Planes.
Pentium MMX (P55C) Intel Pentium (P54C)
(150MHz-233MHz) (75MHz-200MHz)
Manufacturer
Intel/AMD/IBM/Cyrix P54C/CS/K5/M1 3.5V(VRE)
AMD
Intel/AMD
Intel/IBM/Cyrix
AMD
Voltage Regulator Output Selection
16
III. INSTALLATION
AMD-K6
(PR166 and faster)
CPU Type Single Plane Dual Plane VID3 VID2 VID1 VID0
K6-PR166,200 ----
P54C/CS/K5 3.4V(STD)
P55C/6x86MX ----
K6-PR233 ----
1.8 Volts
2.7 Volts
3.2 Volts
ASUS TXP4-X User's Manual
AMD-K5 IBM/Cyrix 6x86(MX)
(PR75-PR133) (PR166 and faster)
---- [----] [2-3]
2.9 Volts
---- [----] [2-3]
2.8 Volts
3.2 Volts [----] [1-2]
1 1
2 2
3 3
1.9 Volts 2.5 Volts
1 1
2 2
3 3
2.8 Volts 2.9 Volts
1 1
2 2
3 3
* *
3.4 V 3.5 V
Setting these two jumpers' VID1 to
*
[2-3] or [----] (removed) will result in
the same voltages, respectively.
IBM/Cyrix 6x86(M1)
(PR166 and faster)
[2-3] [1-2]
[2-3] [2-3]
[2-3] [2-3]
1
2
3
1
2
3
1
2
3