E Prom (Erasable Programmable Rom); E V6 Bus; F Cc Doc (Declaration Of Conformity); F C-Pga (Flip Chip-Pin Grid Array) - AOpen AX4SPE Max Online Manual
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Traditional motherboard stores BIOS code in EPROM. EPROM can only be erased by ultra-violet (UV) light. If BIOS has to be
upgraded, you need to remove EPROM from motherboard, clear by UV light, re-program, and then insert back.
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EV6 Bus is the technology of Alpha processor from Digital Equipment Corporation. EV6 bus uses both rising and falling clock edge
to transfer data, similar as DDR RAM or ATA/66 IDE bus.
EV6 Bus Speed = CPU external bus clock x 2.
200 MHz EV6 bus, 200MHz = 100 MHz external bus clock x 2
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The DoC is component certification standard of FCC EMI regulations. This standard allows DIY component (such as motherboard)
to apply DoC label separately without a shielding of housing.
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FC means Flip Chip, FC-PGA is a package of Intel for Pentium III for 0.18µm process CPU, which can be plugged into SKT370
socket.
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After FC-PGA, FC-PGA2 is the package for 0.13µm process CPU developed by Intel, which can be plugged into SKT423/478
socket as well.
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