Some small form factor computers and home theater PCs designed for quiet and energy-efficient operation boast fan-less designs. This typically requires the use of a low-power CPU, as well as careful layout of the motherboard and other components to allow for heat sink placement.
Ultimately this was shown to be the result of a faulty electrolyte formulation, an issue termed capacitor plague. Motherboards use electrolytic capacitors to filter the DC power distributed around the board. These capacitors age at a temperature-dependent rate, as their water based electrolytes slowly evaporate. This can lead to loss of capacitance and subsequent motherboard malfunctions due to voltage instabilities.
This appears reasonable for a computer motherboard. However, many manufacturers deliver substandard capacitors, which significantly reduce life expectancy. Inadequate case cooling and elevated temperatures easily exacerbate this problem. It is possible, but time-consuming, to find and replace failed capacitors on personal computer motherboards. Air pollution corrodes the circuitry, according to Intel researchers. Motherboards contain some non-volatile memory to initialize the system and load some startup software, usually an operating system, from some external peripheral device.
At power-up, the central processor would load its program counter with the address of the boot ROM and start executing instructions from the ROM. These instructions initialized and tested the system hardware, displayed system information on the screen, performed RAM checks, and then loaded an initial program from an external or peripheral device. If none was available, then the computer would perform tasks from other memory stores or display an error message, depending on the model and design of the computer and the ROM version.
Non-operating system boot programs are still supported on modern IBM PC-descended machines, but nowadays it is assumed that the boot program will be a complex operating system such as MS Windows NT or Linux. When power is first supplied to the motherboard, the BIOS firmware tests and configures memory, circuitry, and peripherals. Skip to main content. Module 2: Computer Hardware. Search for:. Reading: Motherboard Motherboard for an Acer desktop personal computer, showing the typical components and interfaces that are found on a motherboard.
Once you bring it out from the store and out of the box, it remains as good as it gets until the next better model hits the shelves. Still, a PC and all its constituent companies offer more freedom when it comes to customization, especially for gaming. If you look at motherboards and logic boards as entirely different components, the only obvious difference is that one is for PC and the other is for a Mac.
One other difference we can find about PC motherboards and Mac logic boards is the presence, or absence, of third-party support resources. If you look for helpful articles online, a PC motherboard will return several, if not many, resources.
Instead, you will have to ask Apple for services and technical support for the particular product having that problematic logic board. When talking about the differences between logic board vs motherboard, we tend to dive deep into the etymology of the words.
It is better to take things into perspective and think that objects have different names because they have different meanings. In comparison, a logic board does not have slots for expansion with smaller boards. Check out the different parts of a motherboard to better understand what removable components you can attach to it. We may earn a commission for purchases using our links. As an Amazon Associate, we earn from qualifying purchases. Spread the love.
Quick Navigation Logic Board vs Motherboard. Logic Board vs Motherboard As you try to look for the best motherboard for your Ryzen 3rd Gen processor , you will notice that none of the manufacturers refer to them as logic boards. Motherboard Historically, mainboards were not expandable. It is a rigid, slotted PCB upon which other integrated chips of a computer can be mounted.
Planar boards can refer to both motherboards and daughter boards. This involved connecting different components with routes made of copper printed on the circuit boards. This greatly reduced the size of the boards and was much easier to work with especially for larger circuit boards.
Depending on these applications, a PCB may perform certain tasks. In many cases, PCBs are built to integrate the many electronic components of a device. In doing so, we see that electrical devices are getting smaller and smaller as a result of using more and more compact circuit board and electrical components design.
They do so by employing mechanisms to control the power input and handle power fluctuations. Many also account for external disturbances that may result in poor functionality of the systems.
Mainly, they are composed of layers upon layers of different materials stacked together to make the mainboard. A laminate of copper and a non-conductive base is used and the tracks are made by etching unwanted copper from the laminate in an acid bath. The process may vary between different manufacturers and afterward, the etched board is rinsed to remove excess acid. Finally, a resin cover known as a solder mask is applied onto the board.
This is often green on many boards however other colors can also be used. It helps prevent solder bridges from forming when you solder between two solder pads that are very close to one another. After the process is done, you end up with a board that has the conductive tracks. In large productions, sophisticated machines are used to lay the components and solder them to the board but this can also be done by hand easily depending on the size of the board and the components to be placed.
It was invented as a way of having more components connected on a single device instead of using a backplane as was the case some decades ago. Backplanes were essentially groups of connectors for electrical instruments, like bridges that allowed you to connect multiple devices. They had no processing capabilities whatsoever.
Motherboards, on the other hand, could integrate an onboard processor and allows extension by connecting other circuit boards.
Ultimately, a motherboard is, in essence, a circuit board in that it is composed of multiple components connected with conductive tracks. Motherboard is an electronic device and does not necessarily relate to a Personal Computer Only. Motherboard is generally the largest circuit board in any electronic device including a PC.
0コメント