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When you turn on the computer, BIOS (Basic Input/Output System) automatically detects and assigns resources to the newly-installed devices. 4 Upgrading your computer 4 Upgrading your computer The mainboard becomes accessible once you open your computer. It should look like the figure shown below: Label Component Label Component Turbo/LAN active LED connector AOL Alert on LAN connector AUDIO2 Audio connector for USB-audio board BT1 Battery BZ1 Buzzer CD-IN CD-ROM audio connector CN2 PS/2 mouse (upper) and keyboard (lower) ports CN3 Network (upper) and USB (lower) ports CN8 MIDI/game (upper), line-out (left), line-in (middle), and mic-in (right) ports CN10 AGP slot CN19 Parallel (upper), VGA (lower right) and serial port 1 (lower left) ports COM2 Serial port 2 (COM2) connector (optional) DIMM1 to 3 DIMM sockets 1 to 3 FAX-VOICE More voice input for modem card FDC Floppy disk drive connector FN2 3-pin CPU fan connector IDELED IDE LED connector IDE1 IDE 1 HDD connector IDE2 IDE 2 HDD connector INTRUDER Intrusion alarm connector 4 Upgrading your computer Label Component 4 Upgrading your computer Label Component JP3 LAN EEPROM Enabled: 1-2* Disabled: 2-3 JPXA Boot block Enabled: Disabled: 1-2 2-3* JPXB Check password Enabled: 1-2 Disabled: 2-3* JPX1 CMOS clear Clear CMOS: Normal: 1-2 2-3* JPX2 CPU speed Safe mode: Normal: 1-2 2-3* JPX3 Support CPU Coppermine/Celeron: VIA (Cyrix)/Joshua: 1-2* 2-3 JPX4 Onboard LAN Enabled: 1-2* Disabled: 2-3 PS-ON ATX power switch PWR ATX power connector PWRLED Power LED connector SL1 to 3 PCI slots 1 to 3 USB2 USB connector for USB-audio board U4 FC-PGA CPU socket U10 Intel 82815 Chipset Label Component Label Component Super I/O chipset U14 Firmware HUB (BIOS) U17 Audio chipset U19 Intel 82801BA Chipset WOL Wake on LAN connector 4 Upgrading your computer 4 Upgrading your computer The audio board that came with your computer should look like the figure that follows. Label Description JP1 Audio connector - connects to the AUDIO2 connector of the mainboard CN1 USB connector - connects to the USB2 connector of the mainboard CN2 and CN3 USB ports JK1 Microphone-in porta JK2 Audio-out port a. The system has two microphone-in ports (front and rear). However, you can not use both of them at the same time. The default setting for your system enables the micro- phone-in port in front and disables the one at the back. Installing additional memory The three 168-pin sockets on board support Synchronous Dynamic Random-Access Memory (SDRAM)-type DIMMs. You may install 32-MB, 64-MB, 128-MB, or 256-MB single and double density for a maximum memory capacity of 512-MB. Note: Due to a chipset limitation you can only use two DIMM sockets (DIMM1 and DIMM2) when you install a 133 MHZ front side bus CPU. If you install a 100 MHz front side bus CPU then you can use all three DIMM sockets. However, the maximum memory capacity still applies when using three DIMM sockets. The SDRAM DIMMs should work under 3.3 volts; 5-volt memory devices are not supported. Both PC-100 (100MHz) and PC-133 (133 MHz) SDRAM can be installed on the mainboard; however, they cannot be used at the same time in a computer. Contact your dealer for qualified DIMM vendors. Caution! Do not use both PC-100 and PC-133 SDRAM together. Such a combination might cause your computer to malfunction. Each of the DIMM sockets is independent from each other. This independence allows you to install DIMMs with different capacities to form different configurations. To remove a DIMM Note: Observe the “Installation precautions” on page 47 when installing or removing a computer component. Also, make sure that you have removed the computer cover (see page 49). 1. Press the holding clips on both sides of the DIMM socket outward to release the DIMM (see step 1 in the figure). 4 Upgrading your computer 4 Upgrading your computer Gently pull the DIMM out of the socket (see step 2 in the figure). To install a DIMM Note: Observe the “Installation precautions” on page 47 when installing or removing a computer component. Also, make sure that you have removed the computer cover (see page 49). 1. Open the clips on the socket. 2. Align the DIMM with the socket. 3. Press the DIMM into the socket until the clips lock onto the DIMM. To reconfigure your computer Your computer automatically detects the amount of memory installed. Run the BIOS utility to view the new value for total system memory and make a note of it. For more information on BIOS, refer to the Veriton 3200 online manual (see “Accessing the online manual” on page 6). 68 4 Upgrading your computer Upgrading the CPU Note: Observe the “Installation precautions” on page 47 when installing or removing a computer component. Also, make sure that you have removed the computer cover (see page 49). To remove the CPU Before you can replace or upgrade your processor, you need to remove the previously installed processor on the mainboard. Follow these steps to remove the CPU: 1. On the mainboard, locate the CPU mounted ...