AOpen AP53 Operation & User’s Manual

66, AMI BIOS Utility 3-30 3.5.2 Optimal When you select Optimal, a dialog box prompts you load the optimal values. Select No to keep your current settings or Yes to load the optimal values. 3.5.3 Fail-safe When you select Fail-safe, a dialog box prompts you load the fail-safe values. Select No to kee…

4, FCC Statement iv FCC Class B Radio Frequency Interference Statement Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful interference…

49, AOpen AP53 AMI BIOS Utility 3-13 Memory Hole This option lets you assign the system memory area to avoid memory conflicts. The settings are 512~640K, 15~16M and Disabled. 8-bit I/O Recovery Time (Sysclk) This parameter allows you to set the response time of the 8-bit I/O devices connected to your sys…

69, A-1 Appendix A Jumper and Connector Summary CPU Frequency CPU Frequency JP1 JP10 75 MHz 1-2, 3-4 1-2, 3-4 90 MHz 1-2 1-2, 3-4 100 MHz 3-4 * 1-2, 3-4 * 120 MHz 1-2 3-4, 5-6 133 MHz 3-4 3-4, 5-6 150 MHz 1-2 5-6, 7-8 166 MHz 3-4 5-6, 7-8 CPU Voltage CPU Voltage JP11 3.45V 1-2 * 3.52V 3-4 …

3, Disclaimer iii This company makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims any warranties, merchantability or fitness for any particular purpose. Any software described in this manual is sold or licens…

27, Hardware Installation 2-11 2.7 Customizing your Hardware Setup You may customize your hardware setup according to your desired system performance. However, doing so requires resetting of several jumpers. The onboard jumpers are normally set to its default setting. See the figure in section 2.2 fo…