AOpen AX5T Quick Installation Manual

Thanks for purchasing AOpen's AX5T motherboard. This Guide will help you installing the
system. Following figure shows the location of the jumpers and connectors on this motherboard:
Printer connector
COM2 connector
USB connector
WKUP connector
JP14: Clear CMOS
Panel connector
AX5T-3 implements many special features as following:
Suspend to Hard Drive This function saves your work to HDD and resumes within a short time.
Modem Wake Up Through this feature, it is possible to have system totally power off and
wakeup to automatically answer a phone call, such as answering machine or to send/receive fax.
Over-current Protection 3.3V 10A and CPU Vcore 15A over-current protection to prevent any
accident short circuit.
CPU Thermal Protection Warning when CPU temperature is higher than a predefined value.
CPU Fan Monitoring The system will alarm CPU fan malfunction to prevent CPU overheat.
System Voltage Monitoring This design will monitor your system working voltage continuously.
Switching Regulator High efficient switching regulator for future CPU.
75/83.3MHz External Clock For user's convenience, AX5T supports 75/83.3MHz external clock.
Please note that it is user's risk to do over-clocking.
Note: This Quick Installation Guide is only for quick reference. For more information,
please see the User's manual.
Settin Setting CPU Core Voltage
JP11 is used to select CPU core voltage.
TXC
1 2 1 2
3 4 3 4
5 5
6 6
7 8 7 8
9 10 9 10
11 11
12 12
3.45V 3.52V
P54C Cyrix 6x86
IDT C6 AMD K5
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Quick Installation Guide
Keyboard connector
PS/2 mouse connector
COM1 connector
PER2 ATX Power connector
IDE1 primary channel
JP11: CPU core voltage setting
IDE2 primary channel
FDC connector
JP6, JP5, JP4: CPU external clock
FAN1, FAN2 connector
JP3, JP2, JP1: CPU frequency ratio
1 2 1 2
3 4 3 4
5 6 5
6
7 8 7 8
9 10 9 10
11 12 11
12
2.9V 2.8V
K6-166 MMX P55C
K6-200
M2
1 2
3 4
5 6
7 8
9 10
11 12
3.2V
K6-233