Asus P5A-B P5A-B User Manual - Page 18

III. INSTALLATION 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 underside 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. WARNING! Because CPU designs change rapidly, the table below is only intended 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 appropriate VID jumpers according to the illustration below. Manufacturer CPU Type AMD (.25micron) K6-III/400,450 K6-2/450,475 Single Plane ---- AMD (.25micron) K6-2/266,300,333, ---- AMD IBM/Cyrix Intel 350,366,380,400 K6-233,266,300 K5 3.5V(VRE) 6x86 3.5V(VRE) P54C/P54CS 3.5V(VRE) AMD K5 Intel P54C/P54CS AMD (.35micron) K6-PR233 3.4V(STD) 3.4V(STD) ---- AMD (.35micron) K6-166,200 ---- IBM/Cyrix 6x86MX ---- Intel P55C-MMX ---- Dual Plane VID0 VID1 VID2 VID3 2.4V(Dual) [1-2] [1-2] [2-3] [1-2] 2.2V(Dual) [1-2] [2-3] [1-2] [1-2] 3.2V(Dual) 2.9V(Dual) 2.9V(Dual) 2.8V(Dual) [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] [1-2] [1-2] [2-3] [2-3] [2-3] [1-2] [1-2] [2-3] [2-3] [1-2] [1-2] [2-3] [1-2] [1-2] [1-2] [2-3] R III. INST ALLATION Jumpers VID0 VID1 VID2 VID3 VID0 VID1 VID2 VID3 VID0 VID1 VID2 VID3 VID0 VID1 VID2 VID3 VID0 VID1 VID2 VID3 1 2 3 2.0Volts 2.1Volts 1 2 3 2.5Volts 2.6Volts 1 2 3 3.0Volts 3.1Volts P5A-B CPU Vcore Voltage Selection 1 2 3 3.5Volts 2.2Volts 2.7Volts 3.2Volts 2.3Volts 2.8Volts 3.3Volts 2.4Volts 2.9Volts 3.4Volts 18 ASUS P5A-B User's Manual