User manual BIOSTAR K8T890-A9

[. . . ] K8T890-A9 FCC Information and Copyright This equipment has been tested and found to comply with the limits of a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. There is no guarantee that interference will not occur in a particular installation. The vendor makes no representations or warranties with respect to the contents here and specially disclaims any implied warranties of merchantability or fitness for any purpose. [. . . ] JUSBV2: +5V for USB ports at front panel (JUSB1/JUSB2). Pin 2-3 Close: JUSBV1: USB ports at JUSB3 and JUSBLAN1 are powered by +5V standby voltage. If the signal has been triggered, it will record to the CMOS and show the message on next boot-up. Pin 1 2 Assignment Case open signal Ground 12 16 K8T890-A9 JAUDIO1: Front Panel Audio Header This header allows user to connect the front audio output cable with the PC front panel. It will disable the output on back panel audio connectors. Pin 1 2 3 4 5 6 1 2 7 8 9 10 13 14 11 12 13 14 Assignment Mic in/center Ground Mic power/Bass Audio power Right line out/Speaker out Right Right line out/Speaker out Right Reserved Key Left line out/Speaker out Left Left line out/Speaker out Left Right line in/Rear speaker Right Right line in/Rear speaker Right Left line in/Rear speaker Left Left line in/Rear speaker Left J WOL1 (optional): Wake on LAN Header The connector powers up the system when a wakeup packet or signal is received from the network. This feature requires the Wake up on LAN function in BIOS is set to Enabled and that your system has an ATX power supply with at least 720mA +5V standby power. Pin 1 2 3 Assignment +5V_SB Ground Wake-up signal 1 3 17 K8T890-A9 JCMOS1: Clear CMOS Header By placing the jumper on pin2-3, it allows user to restore the BIOS safe setting and the CMOS data, please carefully follow the procedures to avoid damaging the motherboard. 1 3 Pin 1-2 Close: Normal Operation (default). 1 3 1 3 Pin 2-3 Close: Clear CMOS data. Clear CMOS Procedures: 1. Set the jumper to "Pin 2-3 close". Set the jumper to "Pin 1-2 close". Reset your desired password or clear the CMOS data. JDJ1 (optional) Pin 1 2 3 4 5 1 3 5 Assignment SMBDATA SMBCLK INT_B Key AXT_PWROK 18 K8T890-A9 CHAPTER 4: USEFUL HELP 4. 1 AWARD BIOS BEEP CODE Beep Sound One long beep followed by two short beeps High-low siren sound Meaning Video card not found or video card memory bad CPU overheated System will shut down automatically No DRAM detected or install One Short beep when system boot-up No error found during POST Long beeps every other second 4. 2 EXTRA INFORMATION After you fail to update BIOS or BIOS is invaded by virus, the Boot-Block function will help to restore BIOS. If the following message is shown after boot-up the system, it means the BIOS contents are corrupted. A. BIOS Update In this Case, please follow the procedure below to restore the BIOS: 1. Download the Flash Utility "AWDFLASH. exe" from the Biostar website: www. biostar. com. tw 3. Confirm motherboard model and download the respectively BIOS from Biostar website. Copy "AWDFLASH. exe" and respectively BIOS into floppy disk. Insert the bootable disk into floppy drive and press Enter. Type "Awdflash xxxx. bf/sn/py/r" in DOS prompt. System will update BIOS automatically and restart. The BIOS has been recovered and will work properly. 19 K8T890-A9 B. CPU Overheated If the system shutdown automatically after power on system for seconds, that means the CPU protection function has been activated. When the CPU is over heated, the motherboard will shutdown automatically to avoid a damage of the CPU, and the system may not power on again. The CPU cooler surface is placed evenly with the CPU surface. CPU fan speed is fulfilling with the CPU speed. After confirmed, please follow steps below to relief the CPU protection function. [. . . ] Voltage Panel Click the Voltage button in Main Panel, the button will be highlighted and the Voltage Panel will slide out to up as the following figure. In this panel, you can decide to increase CPU core voltage and Memory voltage or not. If you want to get the best performance of overclocking, we recommend you click the option "Yes". 26 K8T890-A9 4. Overclock Panel Click the Overclock button in Main Panel, the button will be highlighted and the Overclock Panel will slide out to left as the following figure. Overclock Panel contains the these features: a. [. . . ]