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101090 discussions

Battery? (RE: Mac Portable problems (was Re: Mac Portable batt ch arger))

by Marion.Bates＠Dartmouth.EDU

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28 years

Minor Tektronix success story.

by jeff.kaneko＠ifrsys.com

At 09:42 PM 8/20/98 -0500, you wrote: >Jeff Kaneko wrote: > >> Not that I know of. TSC went under some years ago; we all assumed >> that it took the source to its grave. Rumour has it that some former >> employees of TSC *may* possess some sources, but they have not stepped >> foreward. >> >> FWIW: A co-worker of mine was approached some years ago with an offer >> to sell the FLEX sources. My co-worker wasn't interested, and the >> guy went away. Don't know who he was. For all we know, it ended up in >> the dumpster. :-/ > >Some of this can be found at <http://www.rtmx.com/UniFLEX/>. Also >further FLEX stuff at <http://www.blackbelt.com/flexem.html>. > >Regards, > >_---_--__-_-_----__-_----_-__-__-_-___--_-__--___-__----__--_--__-___- >Hans B Pufal Comprehensive Computer Catalogue ><mailto:hansp@plato.digiweb.com> <http://plato.digiweb.com/~hansp/ccc> > But all of this is for the 6809. None of this references the 6800/6802. I contend that the original FLEX/2 sources will remain lost to the world. It's a shame, too, as it was the first commercially successful OS for *any* Motorola processor. It was to Moto what CP/M was to Intel. Jeff

28 years

Mathatron, 9100, 9830, etc.

by fmc＠reanimators.org

Doug Yowza <yowza(a)yowza.com> wrote: > Of course, you know that Woz worked at HP before doing the Apple thing. > The resemblance of the Apple ][ to the HP desktops (esp. the 9825) is > pretty striking. Look inside a Lisa someday -- it's got color-coded card lifters. That's what convinced me that Apple of the late 1970s was just an HP wannabe. -Frank McConnell

28 years

Mac Portable problems (was Re: Mac Portable batt charger)

by Marion.Bates＠Dartmouth.EDU

--- Tom Owad wrote: >Can someone tell me what the output of the Mac Portable battery charger >should >be? (What I should read across the charger contacts?) When I plug it in >using a >known-good AC adapter, then place the battery on it, there's no LED glow. It's most likely the same as the Mac Portable's power adapter, which is 7.5vdc, 1.5A. --- end of quote --- Thanks for the info. Actually, according to Apple Service Source docs (found 'em after I posted the question) the charger puts out about a volt less. The power adapter itself is fine, but the external charger seems to be fried. I have a more pressing problem now. Basically, the computer has a grand mal seizure whenever the internal hard drive is connected. I've got three semi-functional Portables, and am hoping to wind up with at least one that works. But they all seem to have bad hard disks (Apple 40SC internal) -- if the drive is connected at power-up, it makes a tick-tick-tick noise, the screen flashes, and it repeatedly plays interrupted Death Chimes until I turn it off. The drive never actually spins up. I'm not familiar with that hard drive model. Since there's no separate power cable, I assume it's some sort of funky low-power-combined-with-SCSI thing. So, anyone got any ideas about what to do with them (besides drop-kick 'em into a swimming pool)? Is there some goofy reset I can do, or a bad fuse somewhere to replace? If there's no repair possible, then is there any other kind of hard drive that will work in a Portable? Or does someone have a spare they'd sell/trade? -- MB

28 years

Battery? (RE: Mac Portable problems (was Re: Mac Portable batt ch arger))

by kaikal＠MICROSOFT.com

Where can I get a replacement battery? Kai -----Original Message----- From: Marion.Bates(a)Dartmouth.EDU [mailto:Marion.Bates@Dartmouth.EDU] Sent: Thursday, August 20, 1998 1:48 PM To: Discussion re-collecting of classic computers Subject: RE: Mac Portable problems (was Re: Mac Portable batt charger) --- "Dellett, Anthony" wrote: Hmmm... Check out this URL... You can replace the internal HD40SC with any 3.5" drive ya want. Tony http://www.micromac.com/products/portable_scsi.html --- end of quote --- Wow! After I tinker with these old ones a little more, I might just go with that. Thanks! -- MB

28 years

Mac Portable problems (was Re: Mac Portable batt charger)

by sinasohn＠ricochet.net

At 12:08 PM 8/20/98 -0700, you wrote: >I have the same problem with my Mac Portable but >I havent had much time to tinker with it. > >Have you replaced the 9 volt battery? I'm wondering >if that might have something to do with it in some >strange, phases-of-the-moon way. First off, check the MacPort FAQ at <http://www.bford.demon.co.uk/mac/portablefaq.txt>. The hard drive is a proprietary connector, but you can build an adapter or purchase one ready-made (see the FAQ). The Mac Port needs power to boot. That power has to come from either the 6v LA battery or the 9v. The 9v needs to be in good shape though. To use the 9v, remove the cover to the big battery compartment (the cover trips a switch when it's in place). --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

28 years

Mac Portable problems (was Re: Mac Portable batt charger)

by Marion.Bates＠Dartmouth.EDU

--- "Dellett, Anthony" wrote: Hmmm... Check out this URL... You can replace the internal HD40SC with any 3.5" drive ya want. Tony http://www.micromac.com/products/portable_scsi.html --- end of quote --- Wow! After I tinker with these old ones a little more, I might just go with that. Thanks! -- MB

28 years

Mac Portable problems (was Re: Mac Portable batt charger)

by roblwill＠usaor.net

Is the mail Lead-Acid battery any good? If the battery is discharged or shot, the computer won't power up at all. This may be your problem. I believe it is a 6V battery. If I'm correct, then one out of a power wheels thing should work to find out if it's a battery, or a bad computer. -- -Jason (roblwill(a)usaor.net) ICQ#-1730318 ---------- > From: Marion Bates <Marion.Bates(a)Dartmouth.EDU> > To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> > Subject: Re: Mac Portable problems (was Re: Mac Portable batt charger) > Date: Thursday, August 20, 1998 3:19 PM > > I checked the backup battery and it read 8.7 volts or something, which I > figured was adequate...maybe not? > > > -- MB

28 years

Mac Portable problems (was Re: Mac Portable batt charger)

by tomowad＠earthlink.net

>If there's no repair possible, then is there any other kind of hard drive >that will work in a Portable? Or does someone have a spare they'd sell/trade? Well, the Paul Kelbaugh <kelbaugh(a)aol.com> I mentioned earliear has adapters to make your Portable work with ordinairy SCSI hard drives. $30, IIRC. Tom Owad -- Sysop of Caesarville Online Client software at: <http://home.earthlink.net/~tomowad/>

28 years

Mac Portable problems (was Re: Mac Portable batt charger)

by Anthony.Dellett＠Staples.com

Hmmm... Check out this URL... You can replace the internal HD40SC with any 3.5" drive ya want. Tony http://www.micromac.com/products/portable_scsi.html -----Original Message----- From: Marion.Bates(a)Dartmouth.EDU [mailto:Marion.Bates@Dartmouth.EDU] Sent: Thursday, August 20, 1998 3:19 PM To: Discussion re-collecting of classic computers Subject: Re: Mac Portable problems (was Re: Mac Portable batt charger) --- "Tony Dellett" wrote: I have the same problem with my Mac Portable but I havent had much time to tinker with it. Have you replaced the 9 volt battery? I'm wondering if that might have something to do with it in some strange, phases-of-the-moon way. --- end of quote --- I checked the backup battery and it read 8.7 volts or something, which I figured was adequate...maybe not? -- MB

28 years

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