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MOBO CPU and RAM 1) What is the purpose of the NORTHBRIDGE chipset?

2 What is the difference between FC-PGA and FC-PGA2 package?

FC (FLIP-CHIP) pin-grid-array:::::: INTEL designed the hottest part of chip away from mobo.

FC-PGA2:::

3 What does the backside bus connect?

CPU to level 2 cache

4 What allows a device to communicate with the computers memory directly?

5 What is the bus width of ISA? 16 bit

ISA (Industry Standard Architecture)

6 Monitors typically use what irq by default?

None. Its the graphics card that uses an IRQ. The monitor is just a peripheral

7 What is the first thing POST does if Shadow memory is enabled in BIOS?