User manual AOPEN AX5T-TBL
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Manual abstract: user guide AOPEN AX5T-TBL
Detailed instructions for use are in the User's Guide.
[. . . ] Appendix A
Jumper Table Summary
Setting the CPU Voltage
JP11 1-2 3-4 5-6 7-8 9-10 11-12 CPU Core Voltage (Vcore) 3. 45V (Intel P54C) 3. 52V (Cyrix or AMD K5) 2. 9V (AMD K6-166/200 or Cyrix M2) 2. 8V (MMX P55C) 3. 2V (AMD K6-233) 2. 5V/2. 2V/2. 0V (Reserved)
Warning: Please make sure that you have installed CPU fan properly if Intel PP/MT-233 or AMD K6-200/233 is being selected to use. [. . . ] Tip: Normally, for single voltage CPU, Vcpuio (CPU I/O Voltage) is equal to Vcore, but for CPU that needs dual voltage such as PP/MT (P55C) or Cyrix 6x86L, Vcpuio is different from Vcore and must be set to Vio (PBSRAM and Chipset Voltage). The single or dual voltage CPU is automatically detected by hardware circuit. Tip: JP11 pin 11-12 is reserved for future CPU, the most possible value is 2. 0V. It is not yet decided when this manual is printed. Use voltage meter or check your distributor before you use pin 11-12.
A-1
Jumper Table Summary
CPU INTEL P54C INTEL MMX P55C AMD K5 AMD K6-166/200 AMD K6-233 Cyrix 6x86 Cyrix 6x86L Cyrix M2 Type Single Voltage Dual Voltage Single Voltage Dual Voltage Dual Voltage Single Voltage Dual Voltage Dual Voltage JP11 1-2 7-8 3-4 5-6 9-10 3-4 7-8 5-6 Vcore 3. 45V 2. 8V 3. 52V 2. 9V 3. 2V 3. 52V 2. 8V 2. 9V Vio 3. 45V 3. 45V 3. 45V 3. 45V 3. 45V 3. 45V 3. 45V 3. 45V Vcpuio Vcore Vio Vcore Vio Vio Vcore Vio Vio
Selecting the CPU Frequency
JP3 JP2 JP1 CPU Frequency Ratio 1. 5x (3. 5x) 2x 2. 5x (1. 75x) 3x 4x 4. 5x 5x 5. 5x JP4 JP5 JP6 CPU External Clock 60MHz 66MHz 75MHz 83. 3MHz
1-2 1-2 1-2 1-2 2-3 2-3 2-3 2-3
1-2 1-2 2-3 2-3 1-2 2-3 2-3 1-2
1-2 2-3 2-3 1-2 2-3 2-3 1-2 1-2
1-2 2-3 2-3 1-2
2-3 2-3 1-2 1-2
1-2 1-2 1-2 2-3
Warning: INTEL TX chipset supports only 60/66MHz external CPU bus clock, the 75/83. 3 MHz settings are for internal test only, set to 75/83. 3MHz exceeds the specification of TX chipset, which may cause serious system damage. Note: Intel PP/MT MMX 233MHz is using 1. 5x jumper setting for 3. 5x frequency ratio, and AMD PR166 is using 2. 5x setting for 1. 75x frequency ratio.
Warning: Cyrix 6x86 P200+ uses 75MHz external clock, the jumper setting shown on the table below is for user's convenient. [. . . ] It may cause serious system damage to use 75MHz clock.
A-2
Jumper Table Summary
INTEL Pentium P54C 90 P54C 100 P54C 120 P54C 133 P54C 150 P54C 166 P54C 200 CPU Core Frequency 90MHz = 100MHz = 120MHz = 133MHz = 150MHz = 166MHz = 200MHz = Ratio 1. 5x 1. 5x 2x 2x 2. 5x 2. 5x 3x External Bus Clock 60MHz 66MHz 60MHz 66MHz 60MHz 66MHz 66MHz JP1 & JP2 & JP3 1-2 & 1-2 & 1-2 1-2 & 1-2 & 1-2 2-3 & 1-2 & 1-2 2-3 & 1-2 & 1-2 2-3 & 2-3 & 1-2 2-3 & 2-3 & 1-2 1-2 & 2-3 & 1-2 JP4 & JP5 & JP6 1-2 & 2-3 & 1-2 2-3 & 2-3 & 1-2 1-2 & 2-3 & 1-2 2-3 & 2-3 & 1-2 1-2 & 2-3 & 1-2 2-3 & 2-3 & 1-2 2-3 & 2-3 & 1-2
INTEL Pentium MMX PP/MT 150 PP/MT 166 PP/MT 200 PP/MT 233 Cyrix 6x86 & 6x86L P150+ P166+ P200+ Cyrix M2 MX-PR166 MX-PR200 MX-PR233 MX-PR266 AMD K5 PR90 PR100 PR120 PR133 PR166
CPU Core Frequency 150MHz = 166MHz = 200MHz = 233MHz = CPU Core Frequency 120MHz = 133MHz = 150MHz = CPU Core Frequency 150MHz = 166MHz = 200MHz = 233MHz = CPU Core Frequency 90MHz = 100MHz = 90MHz = 100MHz = 116MHz =
Ratio
External Bus Clock 60MHz 66MHz 66MHz 66MHz External Bus Clock 60MHz 66MHz 75MHz External Bus Clock 60MHz 66MHz 66MHz 66MHz External Bus Clock 60MHz 66MHz 60MHz 66MHz 66MHz
JP1 & JP2 & JP3
JP4 & JP5 & JP6
2. 5x 2. 5x 3x 3. 5x Ratio 2x 2x 2x Ratio 2. 5x 2. 5x 3x 3. 5x Ratio 1. 5x 1. 5x 1. 5x 1. 5x 1. 75x
2-3 & 2-3 & 1-2 2-3 & 2-3 & 1-2 1-2 & 2-3 & 1-2 1-2 & 1-2 & 1-2 JP1 & JP2 & JP3 2-3 & 1-2 & 1-2 2-3 & 1-2 & 1-2 2-3 & 1-2 & 1-2 JP1 & JP2 & JP3 2-3 & 2-3 & 1-2 2-3 & 2-3 & 1-2 1-2 & 2-3 & 1-2 1-2 & 1-2 & 1-2 JP1 & JP2 & JP3 1-2 & 1-2 & 1-2 1-2 & 1-2 & 1-2 1-2 & 1-2 & 1-2 1-2 & 1-2 & 1-2 2-3 & 2-3 & 1-2
1-2 & 2-3 & 1-2 2-3 & 2-3 & 1-2 2-3 & 2-3 & 1-2 2-3 & 2-3 & 1-2 JP4 & JP5 & JP6 1-2 & 2-3 & 1-2 2-3 & 2-3 & 1-2 2-3 & 1-2 & 1-2 JP4 & JP5 & JP6 1-2 & 2-3 & 1-2 2-3 & 2-3 & 1-2 2-3 & 2-3 & 1-2 2-3 & 2-3 & 1-2 JP4 & JP5 & JP6 1-2 & 2-3 & 1-2 2-3 & 2-3 & 1-2 1-2 & 2-3 & 1-2 2-3 & 2-3 & 1-2 2-3 & 2-3 & 1-2
A-3
Jumper Table Summary
AMD K6 PR2-166 PR2-200 PR2-233 CPU Core Frequency 166MHz = 200MHz = 233MHz = Ratio 2. 5x 3x 3. 5x External Bus Clock 66MHz 66MHz 66MHz JP1 & JP2 & JP3 2-3 & 2-3 & 1-2 1-2 & 2-3 & 1-2 1-2 & 1-2 & 1-2 JP4 & JP5 & JP6 2-3 & 2-3 & 1-2 2-3 & 2-3 & 1-2 2-3 & 2-3 & 1-2
Clear CMOS
JP14 1-2 2-3 Clear CMOS Normal operation (default) Clear CMOS
A-4 [. . . ]
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