Roger, have you tried this approach? <http://download.info.apple.com/Apple_Support_Area/Apple_Software_Updates/English-North_American/Macintosh/Utilities/Firmware_Utilities/1.2GB_Firmware_Utility_1.1.img.bin> and
<http://download.info.apple.com/Apple_Support_Area/Apple_Software_Updates/English-North_American/Macintosh/Utilities/Firmware_Utilities/1.2GB_Firmware_Utility_1.1_Info.txt> This boot floppy (so I'm told) will check the boot Rom on an Apple Rom HDD and replace it if it's corrupt. I don't see the PowerBook connection, but it may be a cure for the 'sleeping sickness'. Could you describe the symptoms? George --- Roger Volk <[EMAIL PROTECTED]> wrote: > Hi > > I have 2 PB 3400 logic boards (a 180, & a 240) > that exhibit similar > symptoms, the disease is acute sleeping sickness, > the device that is > probably the cause is the PMU IC, a variation of the > 68HC05 made for > Apple by Motorola. It's chip Number SC428009PV, > 341S0187-B PMU, 1995 > Apple, G73M0AVBZ9715. I have tried cross > referencing everyone of these > numbers both on a Master Cross Reference List and on > Motorola's list > with no joy, has anyone ever done any component > level repairs on 3400's > and if so, who was your parts source? > > Thanks > Roger __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com -- PowerBooks is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Enter To Win A | -- Canon PowerShot Digital Cameras start at $299 | Free iBook! | Support Low End Mac <http://lowendmac.com/lists/support.html> PowerBooks list info: <http://lowendmac.com/lists/powerbooks.shtml> --> 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/powerbooks%40mail.maclaunch.com/> Using a Mac? Free email & more at Applelinks! http://www.applelinks.com
