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Pastimes : Dream Machine ( Build your own PC ) -- Ignore unavailable to you. Want to Upgrade?

To: Zeuspaul who wrote (943)	6/1/1998 1:19:00 AM
From: LTBH	Respond to of 14778

FB, AGP/Sidebus, PCI and ISA The front bus is an internal data path between the CPU and mem. The BX runs this clock at 100MHz IF the mobo is NOT OC. The APG sidebus/sideband is a slightly used (at this point) bus between mem and the APG card slot. This is an INTEL pushed spec that allows an APG vid card to offload mem requirements to the main mem (and increase processor load, go Intel, go) The APG bus can be 66, 100 or 133 MHz. The PCI bus is normally 33MHz and the ISA bus is normally 6-8Mhz. There are two possible ways to OC. One is to increase the clock frequency and the other is to increase the processor multiplier. Usually increasing the multiplier does NOT effect any of the system buses on Pentium and above mobos. Increasing the clock frequency usually does increase the bus speeds (dependant on the mobo). Generally the first thing to fail to function correctly during OC is the HD, SCSI controller or vid card. Most OC performance gains are realized by the increase to the IO bus (PCI/ISA) and NOT from the processor increase. I used to run my 386 at a 10 MHz ISA bus speed for a significant system throughput increase, although the processor ran at its standard speed. NOTE: I do not recommend any form of OC, especially for those not HW inclined. Since each of these buses are discreet entities, normal operation of your mobo will not cause the mentioned possible problem with the Deskstar (the HD runs on the PCI bus not the FB). Hope this helps Networm