phil@brahms.amd.com (Phil Ngai) (07/14/90)
In article <17200007@yoyodyne> koziol@yoyodyne.ncsa.uiuc.edu writes: | |One of the main reasons for the '486 being about twice as fast as the '386 |is because of the way the chips are clocked. The '386 (and also the '030 |BTW) use a divide-by-two clock from the system clock to actually clock the |internals of the chip. The '486 (and the '040) are syncronously tied to the |system clock, i.e. they actually clock at 25Mhz at a system clock of 25Mhz |as opposed to the '386 which is internally dropped to 12.5Mhz at a 25Mhz |system clock. Wrong, bozo. A 25 Mhz 386 actually gets 50 Mhz in and the 386 divides it down to 25 Mhz. Please do not post misinformation. -- -- Phil Ngai, phil@amd.com {uunet,decwrl,ucbvax}!amdcad!phil PALASM 90: it's not the same old PALASM any more!