Asus TX97-XE Compatible Cyrix CPU Identification, WARNING, 6.Voltage Regulator Output Selection (VID0, 1, 2, 3)

INSTALLATION .III

Jumpers

III. INSTALLATION

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.

6.Voltage Regulator Output Selection (VID0, 1, 2, 3)

These jumpers set the voltage supplied to the CPU. VID1 for 3.4V(STD) is ignored, therefore, the jumper setting for 2.8V(Dual) may work for both 3.4V(STD) and 2.8V(Dual).

Pentium MMX (P55C) Intel Pentium (P54C)	AMD-K6	AMD-K5	IBM/Cyrix 6x86(MX)	IBM/Cyrix 6x86(M1)
(150MHz-233MHz) (75MHz-200MHz)	(PR166 and faster)	(PR75-PR133)	(PR166 and faster)	(PR166 and faster)

WARNING! Because CPU designs change rapidly, the following chart is only intended as a simple quideline and is not intended to be true for your CPU. Look for the CPU voltage included with your CPU and follow the Voltage setting diagramed below the chart.

Manufacturer	CPU Type	Single Plane	Dual Plane	VID3	VID2	VID1	VID0
Intel/AMD/IBM/Cyrix	P54C/CS/K5/M1	3.5V(VRE)	----	[----]	[2-3]	[----]	[1-2]
AMD/IBM/Cyrix	K6-166,200/MX	----	2.9V(Dual)	[----]	[2-3]	[2-3]	[1-2]
Intel/AMD	P54C/CS/K5	3.4V(STD)	----	[----] [2-3] [2-3] [2-3]
Intel	P55C	----	2.8V(Dual) [----] [2-3] [2-3] [2-3]
AMD	K6-PR233	----	3.2V(Dual) [----] [1-2] [2-3] [2-3]
AMD (.25micron)	K6-233,266,300	----	2.1V(Dual)	[----]	[----]	[2-3]	[1-2]
		VID3 VID2 VID1 VID0	VID3 VID2 VID1 VID0	VID3 VID2 VID1	VID0	VID3 VID2 VID1	VID0
		1	1		1		1
		2	2		2		2
		3	3		3		3
		1.8 Volts	1.9 Volts	2.1 Volts		2.5 Volts
		1	1		1
		2	2		2
		3	3		3
		2.7 Volts	2.8 Volts	2.9 Volts
		1	1		1
Voltage Regulator Output Selection		2	2		2
		3	3		3

3.2 Volts 3.4 V * 3.5 V *

* Setting these two jumpers’ VID1 to [2-3] or [----] (removed) will result in the same voltages respectively.

18 ASUS TX97-XE User’s Manual