what is a mainboard board circuit at that controls the computer?
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Its a vague question, but it has an easy answer. There are several things required to "control" a computer, none more important than the other. The first is of course the CPU, which handles all the instructions the computer executes and generates many control signals for the rest of the computer. The CPU also performs aritimetic and logic functions. Next is the clock generator/controller, a circuit that generates timing and some control signals for the CPU and rest of the computer. Then there is memory, which comes in two general forms, ROM and RAM. ROM stands for Read Only Memory and RAM stands for Random Access Memory. RAM is the portion of memory where computers store temporary information. These three general circuits make up the control system for computers. But for a computer to be of any use it needs Input/Output circuits like USB, parallel, serial, video, etc.
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I use switchboard, they're not all available though.  :(
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On that motherboard the CMOS jumpers are two little silver things sticking out from one of the RAM memory sticks. I found this quote on the Internet:\n\n"\n(1) Remove the memory access panel.\n(2) Remove the sticks of memory.\n(3) I believe it is the top stick, but it may be the bottom. There are two solder points that stand out.\n(4) With a small screwdriver or other tool, short these two contacts.\n(5) Replace the memory and put the access panel back on.\n"\n\nBe careful when you do this. I do it all the time with desktop PCs, but notebooks may be a bit different.  You may need to have your battery (power) connected while you do it although that is definitely not required for a desktop PC.
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Open your database, then select, Tools, Database Utilities, and finally select Switchboard Manager.\n\nFollow the step-by-step instructions! Good Luck!
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Underneath the central processing unit(CPU) if your talking about a computers Basic input/output system(BIOS)...
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Try to find the name and model of the motherboard. It is often printed somewhere on the side of the board. Then use a search engine to find the manufacturer's website. Most motherboards will have their user manuals online in pdf form. The manual will show you what everything is for and where to put each component and wire.
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Computer Mother board and its constituent components\n\n\n\n            1. Mouse & keyboard\n            2. USB\n            3. Parallel port\n            4. CPU Chip\n            5. RAM slots\n            6. Floppy controller\n            7. IDE controller\n            8. PCI slot\n            9. ISA slot\n            10. CMOS Battery\n            11. AGP slot\n            12. CPU slot\n            13. Power supply plug in\n\n1. Mouse & keyboard:  Keyboard Connectors are two types basically. All PCs have a Key board port connected directly to the motherboard. The oldest, but still quite common type, is a special DIN, and most PCs until recently retained this style connector. The AT-style keyboard connector is quickly disappearing, being replaced by the smaller mini DIN PS/2-style keyboard connector.\n                    You can use an AT-style keyboard with a PS/2-style socket (or the other way around) by using a converter. Although the AT connector is unique in PCs, the PS/2-style mini-DIN is also used in more modern PCs for the mouse. Fortunately , most PCs that use the mini-DIN for both the keyboard and mouse clearly mark each mini-DIN socket as to its correct use. Some keyboards have a USB connection, but these are fairly rare compared to the PS/2 connection keyboards.  \n\n2. USB (Universal serial bus): \n USB is the General-purpose connection for PC. You can find USB versions of many different devices, such as mice, keyboards, scanners, cameras, and even printers. a USB connector's distinctive rectangular shape makes it easily recognizable. \n        \n  USB has a number of features that makes it particularly popular on PCs. First, USB devices are hot swappable. You can insert or remove them without restarting your system.\n\n3. Parallel port: Most printers use a special connector called a parallel port. Parallel port carry data on more than one wire, as opposed to the serial port, which uses only one wire. Parallel ports use a 25-pin female DB connector. Parallel ports are directly supported by the motherboard through a direct connection or through a dangle.\n\n4. CPU Chip : The central processing unit, also called the microprocessor performs all the calculations that take place inside a pc. CPUs come in Variety of shapes and sizes.\n    Modern CPUs generate a lot of heat and thus require a cooling fan or heat sink. The cooling device (such as a cooling fan) is removable, although some CPU manufactures sell the CPU with a fan permanently attached.\n\n5. RAM slots: Random-Access Memory (RAM) stores programs and data currently being used by the CPU. RAM is measured in units called bytes. RAM has been packaged in many different ways. The most current package is called a 168-pin DIMM (Dual Inline Memory module).    \n\n6. Floppy controller: The floppy drive connects to the computer via a 34-pin ribbon cable, which in turn connects to the motherboard. A floppy controller is one that is used to control the floppy drive.\n\n7. IDE controller: Industry standards define two common types of hard drives: EIDE and SCSI.  Majority of the PCs use EIDE drives. SCSI drives show up in high end PCs such as network servers or graphical workstations. The EIDE drive connects to the hard drive via a 2-inch-wide, 40-pin ribbon cable, which in turn connects to the motherboard. IDE controller is responsible for controlling the hard drive.\n\n8. PCI slot:  Intel introduced the Peripheral component interconnect bus protocol.  The PCI bus is used to connect I/O devices (such as NIC or RAID controllers) to the main logic of the computer. PCI bus has replaced the ISA bus.\n\n9. ISA slot:  (Industry Standard Architecture) It is the standard architecture of the Expansion bus. Motherboard may contain some slots to connect ISA compatible cards.\n\n10. CMOS Battery: To provide CMOS with the power when the computer is turned off all motherboards comes with a battery. These batteries mount on the motherboard in one of three ways: the obsolete external
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it is deturmans on the compatability with the computer mainfrane
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turn pc off.\ncheck the jumper is set to slave on writer.\nslide it through the bay in the tower.\nplug in the IDE lead.\nplug in the power.\nstart up the pc.\n\nvoila.
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The average amount. The computer adds up the amount on the board, divides that by how many are on the board.
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http://www.switchboard.com\n\nIt'll atleast tell you who owns it.
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The primary computer equipment. Housed in a desktop or floor-standing cabinet, it contains such components as the motherboard, CPU, RAM and ROM chips, hard and floppy disks and several input/output ports.
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I would say just about any, depending on what you want to control and with what (computer, microcontroller). Usually C, or C++, but also BASIC, VB, and Assembly among others.
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in the electronics area
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1 open the computer case to see what do you have.\n2 if you know the name of the mainboard, you may get to the mainboard producer's webpage in search of the information of the mainboard you possess
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stand-by voltage\n\nIt's what is available when the PC is powered down - to enable (for instance) a WOL (wake on LAN) card to remain receptive.
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If you still have the owner's manual, look it up there.  If not, go to the website of the manufacturer and find your model and look up the specs there.\n\nThe mainboard will require ram that has a specific bus speed [e.g., DDR 333 aka PC 2700], a specific type [ single data rate or double data rate], and will support a certain amount in mb's [1 gig, 2 gigs].\n\nYou can usually find what mainboard you have by going to Start, All Prog, Accessories, System Tools, System Information.  With System Information highlighted on the left pane, on the right under System Manufacturuer and System Model your mainboard will be listed.