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Latch-up in short is defined as the creation of a low impedance path between the power supply rails by the triggering of parasitic, four-layer bipolar structures (SCR’s) inherent in CMOS technology.

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Q: What is CMOS latch up?
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When you restart your computer the error message cmos setting wrong and cmos cheksum bad comes up?

Chances are that the CMOS Battery on the motherboard is dead and needs to be replaced. Without this battery, the computer can not remember the CMOS settings when the power is turned off.


What is a CMOS socket?

A CMOS socket is to plug a CMOS transistor into. Alternatively, a CMOS socket is to plug a CMOS integrated circuit into. CMOS, by the way, stands for, "Complementary Metal Oxide Semiconductor".


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Assuming you mean "flash the CMOS", when the CMOS settings are so messed up, you cannot access the BIOS.


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What keeps the CMOS data current and up to date?

The data is CMOS is on a chip called RAM. RAM will lose data when it loses power. A small battery on the motherboard is used to keep continuous power to CMOS when the PC loses power.


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Modern PCs store the CMOS password in the CMOS memory itself.


What is the order in which the bootstrap program searches the OS boot up file?

The answer is CMOS.


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The Pontiac Grand Prix door latch has adjustments to move the latch up and down and in and out. Loosen the adjustment screws. Keep moving the latch in one direction or the other, until the door catches the latch.


Do all systems use the same method to enter CMOS setup?

No, not all systems use the same method to enter CMOS setup. Some systems allow access to CMOS setup by pressing DEL during start up and others by pressing F2.


Do all systems use the same setup to enter cmos setup?

No, not all systems use the same method to enter CMOS setup. Some systems allow access to CMOS setup by pressing DEL during start up and others by pressing F2.


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