On Sun, Sep 29, 2013 at 5:18 AM, Doug <dmcgarr...@optonline.net> wrote: > On 09/28/2013 03:23 PM, Stan Hoeppner wrote: >> On 9/27/2013 6:37 PM, Joel Rees wrote: >>> On Fri, Sep 27, 2013 at 9:36 PM, Stan Hoeppner <s...@hardwarefreak.com> >>> wrote: >>>> A point I forgot to make. This is something everyone should know. >>>> >>>> Subject: The marketing myth of multiple +12V rails >>>> [...] >>> >>> What I want to know is why Intel CPUs still need the +12V. >> >> They don't now and they never did. The 8088 through 80486 and the first > > /snip/ > >> >> Installing two voltage regulators next to the CPU socket and using >> standard ~22 gauge copper wires from the 12V rail of the PSU solves the >> problem cheaply. The 12V rail was chosen because 3.6x less current is >> required vs using the 3.3V rail as was used previously, which means much >> smaller wires are needed. > /snip/ > > Do I understand correctly that there are two switching power supply > chips at the input to the CPU to produce 3.3Volts? Obviously, a linera > regulator cannot produce and gain in current. Iin = Iout for linear > regulators.
I7m confused. Did you mean can't produce a gain in current or power? -- Joel Rees Be careful where you see conspiracy. Look first in your own heart. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/caar43iom3fhcduznccqn6o9ri5ycxy1cyrgd-h53w3vhm2t...@mail.gmail.com
