On Sun, Jun 13, 2004 at 10:01 am +0100, Susan Platter wrote: >Useful though they are, neither of those links answers my query about >why reset-nvram did not appear to work for me, as in my quoted >paragraph starting,"When I tried this on my Wallstreet..." >Any offers?
I just did a search in my file of 'things that might be useful one day' and found this - I don't even know if it came from this list originally: >Date: Wed, 16 Jul 2003 17:50:07 -0600 >From: Frederico >Subject: Open Firmware WILL work on PowerBook G3 (Wallstreet II) > >Regarding the inability of some folks to get into Open Firmware (Command- >Option-O-F) on PowerBook G3 233-266-292-300 models (Wallstreet II, PDQ), >I can promise you it is possible, and it can be done on either Restart or >Cold Start, whether or not you have Jaguar installed and/or set as the >Startup Disk. I just double checked my G3-266/14", and it goes into Open >Firmware v2.0.1 on a regular restart from OS X 10.2.6. > >While it's possible that there's a particular version of these units >which won't accept the command, or maybe the early Wallstreet (I) models >lack OF, I've never met one in dozens and dozens of tries, and this is >something we routinely do to *every* PowerBook that comes in for any type >of troubleshooting or upgrade. > >For those having trouble, a few hints/suggestions: > >· press ALL four keys (Command-Option-O-F -- that's Apple-Alt-oh-ef for >the fontifically challenged) at the SAME TIME, *immediately* upon hearing >-- even during -- the Startup Chime. If you wait even one or two seconds, >or depress the keys one or two at a time, it is very easy for the Boot >ROM to miss your command call. > >· Make sure your Command, Option, O and F keys are clean and responsive >by using Keycaps or similar program prior to attempt, if you're still >having trouble. > >· If your keys fail to respond properly, just attach any known-good ADB >keyboard. > >· For reference, nearly all "Old World" Macs reset only PRAM when using >Command-Option-P-R from a Restart; using the same Command-Option-P-R from >a Cold Start (Power OFF to Power ON) will reset NVRAM and PRAM, thus, the >'reset-nvram' command in Open Firmware is unnecessary; however, resetting >NVRAM is still advisable in this battery/PMU reset effort. > >· the 'reset-all' command in Open Firmware resets all kinds of things, >both documented and undocumented, particularly things on the PCI/PCMCIA >bus, like video, and issues using Type I or II expansion cards. Resetting >it has never hurt anything that I'm aware of. > >My advice: > > * Power OFF the PowerBook > * Remove the battery > * Install AC power > * Power ON the PowerBook > * *immediately* depress Command-Option-P-R > * continue holding for a total of three chimes > * upon hearing the third chime, immediately release the keys and >instead press Command-Option O-F > * In Open Firmware, type: reset-all > * press Return, type: bye > * press Return > * ...the PowerBook will now boot normally into the first System >Folder found on the first partition of the internal drive. > * If you get the Flashing '?', use any OS 9.1 or higher boot CD (the >CD or the Classic System Folder must contain a new enough version of >Startup Disk CP to reset OS X as your Startup Disk). > * If you wish, you may repeat the above with each of your problem >batteries installed, but it shouldn't be necessary. > >For reference, I have an original PowerBook battery that gets about 3-3.5 >hours of mostly continuous use, using AirPort (Type I slot) or Modem, >iTunes, Safari, Entourage and Word, and an occasional launch of Classic/ >Emailer. I have a fairly new battery (about a year), that I can push to >nearly four. I simply don't recall if OS 8-9 use when brand new was much >better. Any game play (Diablo II/LoD; Dungeon Seige; etc.) will eat up >either in about 2 hours or less. > >Overall, with the exception of noticeably shorter battery life under OS X >10.2.3 (or was it 10.2.4?), I have enjoyed good overall battery use since >OS X 10.1 Puma. TimH -- G-Books is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | -- Check our web site for refurbished PowerBooks | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> G-Books list info: <http://lowendmac.com/lists/g-books.html> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/g-books%40mail.maclaunch.com/> --------------------------------------------------------------- >The Think Different Store http://www.ThinkDifferentStore.com ---------------------------------------------------------------
