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Motherboard
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A motherboard is the main printed circuit board (PCB) in general-purpose computers and other expandable systems. It holds and allows communication between many of the crucial electronic components of a system, such as the central processing unit (CPU) and memory, and provides connectors for other peripherals. Unlike a backplane, a motherboard usually contains significant sub-systems, such as the central processor, the chipset's input/output and memory controllers, interface connectors, and other components integrated for general use.
Dell Precision T3600 System Motherboard, used in professional CAD Workstations. Manufactured in 2012
Dell Precision T3600 System Motherboard, used in professional CAD Workstations. Manufactured in 2012
Motherboard for a personal desktop computer; showing the typical components and interfaces which are found on a motherboard. This model follows the Ba
Motherboard for a personal desktop computer; showing the typical components and interfaces which are found on a motherboard. This model follows the Baby AT (form factor), used in many desktop PCs.
Mainboard of a NeXTcube computer (1990) with microprocessor Motorola 68040 operated at 25 MHz and a digital signal processor Motorola 56001 at 25 MHz,
Mainboard of a NeXTcube computer (1990) with microprocessor Motorola 68040 operated at 25 MHz and a digital signal processor Motorola 56001 at 25 MHz, which was directly accessible via a connector on the back of the casing
The Octek Jaguar V motherboard from 1993. This board has few onboard peripherals, as evidenced by the 6 slots provided for ISA cards and the lack of o
The Octek Jaguar V motherboard from 1993. This board has few onboard peripherals, as evidenced by the 6 slots provided for ISA cards and the lack of other built-in external interface connectors. Note the large AT keyboard connector at the back right is its only peripheral interface.
Sound card
Videos
A sound card is an internal expansion card that provides input and output of audio signals to and from a computer under the control of computer programs. The term sound card is also applied to external audio interfaces used for professional audio applications.
Close-up of a sound card PCB, showing electrolytic capacitors, SMT capacitors and resistors, and a YAC512 two-channel 16-bit DAC. The integrated circu
Close-up of a sound card PCB, showing electrolytic capacitors, SMT capacitors and resistors, and a YAC512 two-channel 16-bit DAC. The integrated circuit on the left is a 3403 single power supply quad operational amplifier.
8-channel DAC Cirrus Logic CS4382 placed on Sound Blaster X-Fi Fatal1ty
8-channel DAC Cirrus Logic CS4382 placed on Sound Blaster X-Fi Fatal1ty
A VIA Technologies Envy sound card for PC, 5.1 channel for PCI slot
A VIA Technologies Envy sound card for PC, 5.1 channel for PCI slot
Three early ISA (16-bit) PC sound cards showing the progression toward integrated chipsets
Three early ISA (16-bit) PC sound cards showing the progression toward integrated chipsets