User manual AOPEN MX6B-OV

[. . . ] Full-range CPU Core Voltage This motherboard supports a CPU core voltage from 1. 3V to 3. 5V, that can be applied to various CPU types in future. Battery-less Motherboard This motherboard implements EEPROM and a special circuit (patent applied) that allows you to save your current CPU and CMOS Setup configurations without the need of a battery. The RTC (real time clock) can also keep running as long as the power cord is plugged. If you lose your CMOS data by accident, you can just reload the CMOS configurations from EEPROM and the system will recover as usual. [. . . ] But in case of power failure or the power cord being unplugged, you will need to reset the date and time from the "Standard CMOS Setup" section of the BIOS Setup. For more information, please see "Chapter 3 BIOS Setup". 1-3 Overview 1. 1 Specifications Micro ATX 244 mm x 220 mm Intel Pentium II / Pentium III / Celeron Processor SDRAM, 168-pin DIMM x3, maximum 512MB. On the CPU card (Slot1 connector) Intel 82440ZX/BX AGPset ESS Solo-1 ISA x1, PCI x 3 and AGP x1 Two serial ports UART 16C550 compatible, and the 3rd UART for IR function. One parallel port supports standard parallel port (SPP), enhanced parallel port (EPP) or extended capabilities port (ECP). Floppy interface supports 3. 5 inches drives with 720KB, 1. 44MB or 2. 88MB format or 5. 25 inches drives with 360KB, 1. 2MB format Dual-channel IDE interface support maximum 4 IDE hard disks or CDROM, mode 4 , bus master hard disk drives and Ultra DMA/33 mode hard drives are also supported. Two USB ports supported by USB bracket, the BIOS also supports USB driver to simulate legacy keyboard. Lithium (CR-2032) battery is an option, no battery is needed if power cord is plugged. Multi-language versions supported. Form Factor Board Size CPU System Memory Second-level Cache Chipset Onboard Audio Expansion Slots Serial Port Parallel Port Floppy Interface IDE Interface USB Interface PS/2 Mouse Keyboard RTC and Battery BIOS 1-4 Overview 1. 2 APM Suspend to Hard Drive Suspend to Hard Drive saves your current work (system status, memory and screen image) into hard disk, and then the system can be totally power off. Next time, when power is on, you can resume your original work directly from hard disk within few seconds without go through the Win95 booting process and run your application again. If your memory is 16MB, normally, you need to reserve at least 16MB HDD space to save your memory image. Note that you have to use VESA compatible PCI VGA (AOpen PV70/PT70), Sound Blaster compatible sound card and sound driver that supports APM (AOpen AW32/AW35) for Suspend to Hard Drive to work properly. Of course, we recommend choosing AOpen products for best compatibility. Go into BIOS setup, Power Management à Suspend Mode Option, select "Suspend to Disk". Go into BIOS setup, PNP/PCI Configuration à PnP OS Installed, select "No". This can give BIOS the capability to allocate system resources for Suspend to Hard Drive. If you are Win'95 user, Please restart your Windows 95 under "Command Prompt" by pressing "F8" while system shows "Windows 95 Starting . . . ". Choose "Safe Mode Command Prompt Only" from selection so that system will start in DOS command prompt. Option 1: Use /file switch (applied to FAT16 file system): Please use following command to create a hidden file in the root directory of your hard disk for Suspend to Hard Drive to save the system status and memory image. C:>AOZVHDD /c /file Please make sure that you have enough continuous HDD space for creating this hidden file. For example, if you have 32MB of system memory and 4MB of VGA memory, you need at least 36MB (32MB + 4MB) of continuous HDD space. If AOZVHDD failed to allocate the HDD space, you may run "DEFRAG" Utility or "Disk Defragmenter" which come with MSDOS or Win'95 to free HDD space. 1-5 Overview Option2: Use /partition switch (applied to FAT16/FAT32 file system): To create a separate partition for Suspend to Hard Drive, please make sure you have reserved a free partition. We suggest you reserve the free partition which space is appropriate for your future memory expansion. [. . . ] It is automatically implemented by the BIOS and Hardware Monitoring Utility (the program's file name is like aohwxxx. exe, where xxx means the version number), no hardware installation is needed. 1. 6 Fan Monitoring There are two fan connectors, one is for the CPU, and the other can be a housing fan. The fan monitoring function is implemented by connecting a fan to the 3-pin fan connector CPUFAN1 or FAN1 and installing the Hardware Monitoring Utility. Note: You need a 3-pin fan that supports SENSE signal for the fan monitoring function to work properly. 1-13 Overview 1. 7 CPU Thermal Protection This motherboard implements special thermal protection circuits. When temperature is higher than a predefined value, there will be warning through application software such as the Hardware Monitor utility to notify the user. It is automatically implemented by the BIOS and the Hardware Monitoring Utility, no hardware installation is needed. 1. 8 Battery-less Design To preserve the earth, this motherboard implements the battery-less motherboard design. [. . . ]