AOpen AX5TC, Руководство пользователя

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Hardware Installation
2-11
PR90 90MHz = 1.5x 60MHz OFF OFF OFF 2-3 & 1-2 & 1-2
PR100 100MHz = 1.5x 66MHz OFF OFF OFF 1-2 & 1-2 & 1-2
PR120 90MHz = 1.5x 60MHz OFF OFF OFF 2-3 & 1-2 & 1-2
PR133 100MHz = 1.5x 66MHz OFF OFF OFF 1-2 & 1-2 & 1-2
PR166 116MHz = 1.75x 66MHz ON ON OFF 1-2 & 1-2 & 1-2
AMD K6 CPU Core
Frequency Ratio External
Bus Clock S1 S2 S3 JP4 & JP5 & JP6
PR2-166 166MHz = 2.5x 66MHz ON ON OFF 1-2 & 1-2 & 1-2
PR2-200 200MHz = 3x 66MHz OFF ON OFF 1-2 & 1-2 & 1-2
PR2-233 233MHz = 3.5x 66MHz OFF OFF OFF 1-2 & 1-2 & 1-2
PR2-266 266MHz= 4x 66MHz ON OFF ON 1-2 & 1-2 & 1-2
PR2-300 300MHz= 4.5x 66MHz ON ON ON 1-2 & 1-2 & 1-2
IDT C6 CPU Core
Frequency Ratio External
Bus Clock S1 S2 S3 JP4 & JP5 & JP6
C6-150 150MHz = 2x 75MHz ON OFF OFF 1-2 & 2-3 & 1-2
C6-180 180MHz = 3x 60MHz OFF ON OFF 2-3 & 1-2 & 1-2
C6-200 200MHz = 3x 66MHz OFF ON OFF 1-2 & 1-2 & 1-2
Note: Cyrix 6x86, M2 and AMD K5 CPU use P-rating for the
reference of CPU benchmark compared with INTEL P54C,
their internal core frequency is not exactly equal to P-rating
marked on the CPU. For example, Cyrix P166+ is 133MHz but
performance is almost equal to P54C 166MHz and AMD
PR133 is 100MHz but performance is almost equal to INTEL
P54C 133MHz.
Note: INTEL TX chipset does not support CPU with 50/55MHz
external bus clock, so that INTEL P54C 75MHz, Cyrix
P120+,P133+ and AMD PR75 are not supported by this
mainboard.