Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!bionet!ames!ucsd!sdcc6!mplvax!martin From: martin@mplvax.EDU (Martin Olivera) Newsgroups: comp.binaries.ibm.pc.d Subject: soft alt-ctrl-minus Keywords: Change from 4.77 to 8 Mhz Message-ID: <977@mplvax.EDU> Date: 7 Aug 89 19:32:20 GMT Distribution: usa Organization: MPL of SIO at UCSD Lines: 7 I have an old PC-XT compatible with Turbo option (4.77 to 8 Mhz). Does anyone know how to program the switch from standard to turbo?. I looked into some ROM Bios manuals and they have ways to program the soft reboot (alt-ctrl-del is 19H I think), but there is nothing concerning speed switches. Thanx in advance. Martin