Main function of agp slot.
The power supply is required to include a Serial ATA power cable. Power connection to the motherboard[ edit ] The power supply's connection to the motherboard was changed from the older AT and LPX standards; AT and LPX had two similar connectors that could be accidentally interchanged by forcing the different keyed connectors into place, usually causing short-circuits and irreversible damage to the motherboard the rule of thumb for safe operation was to connect the side-by-side connectors with the black wires together.
ATX refers to the design, and goes up to version 2.
How to Find an AGP Slot on a PC
In addition, many ATX power supplies have an equivalent-function manual switch on crow slot machine back that also ensures no power is being sent to the components. Some of them are: Introduction of Serial ATA power connector but defined as optional. A supplemental 6-pin AUX connector providing additional 3. A minimum load on one or more voltages may be required varies by model and vendor ; the standard does not specify operation without a minimum load and a conforming PSU may shut down, output incorrect voltages, or otherwise malfunction, but will not be hazardous or damaged.
From left to right, the connectors are pin motherboard, 4-pin "P4 connector", fan RPM monitor note the lack of a power wireSATA power connector black"Molex connector" and floppy connector.
The extra four pins provide one additional 3. The wires are either soldered to the power button making it difficult to replace the power supply if it failed or blade receptacles were used. The new connector also provides a 3. The general configuration is a double-pole latching mains voltage switch with the four pins connected to wires from a four-core cable.
The power on 3. It was thought that in this configuration, cooling of the processor would be achievable without the need of an active heatsink. The power on the 3.
It is specified in Revision 1. This standard introduced some changes, mostly minor.
However, some early model Athlon XP and MP boards including some server boards and later model lower-end motherboards do not have the 4-pin connector as described below. Interior view in an ATX power supply An ATX power supply is typically controlled by an electronic switch connected to the power button on the computer case and allows the computer to be turned off by the operating system.
Other minor changes were introduced. Many other specification changes and additions ATX12V v2.
When the switch on the power supply is turned off, however, the computer cannot be turned on with the front power button. Defined minimal required PSU efficiencies for light and normal load. ATX uses one large, keyed main function of agp slot which can not be connected incorrectly.
The main ATX power connector was extended to 24 pins. For instance, ATX 2.
Numbering of the ATX revisions may be a little confusing: The power was slightly increased on all rails. Main changes from AT and LPX designs[ edit ] Power switch[ edit ] Original AT cases flat case style have an integrated power switch that protruded from the power supply and sits flush with a hole in the AT chassis.
This voltage was required by the ISA bus, which is no longer present on almost all modern computers.