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Just pull the main battery, the optical drive can be in or out, leave the PowerBook plugged in several days. I've seen conflicting info on the internet regarding just which models have the "first bootable partition must be less than about 8 GB or eventual trouble"...others with direct...

Should you have a zero charge old main battery in there when you are testing, you can try pulling it out and charging the PRAM battery for a full 48 hours in either operating or shutdown modes, but not in sleep mode (for which the PRAM battery discharges while trying to keep memory alive while...

Place the PB5xx flat on a table in normal orientation, screen open and up, but facing away from you so you can see the rear connections. With the negative of an ohmmeter connected to the exposed ground metal around the serial, ADB, or ethernet connections measure low range ohms to the power...

Well, as a speculation, a temperature variation. In the Sharp Application Note on Mechanical Design Considerations for LCD Displays, "It is important to note that variations in temperature of as little as 5 degrees centigrade can cause an apparent non-uniformity in the contrast of the display."...

So armed with this great info, I go to a local Goodwill store on a hunting expedition (actually I was looking for battery packs), and find a Linksys wireless router priced at at $5.99. One of those fancy two antenna jobs for diversity. Picking it up to check the model number, I discover it is...

Excellent question. As I write this I have a PB1400 running and charging powered from 24V with that shell just floating, no connection, as an experiment. To avoid an unfortunate incident extreme care is advised making and verifying the connections. I am using a standard stereo Y cable that...

The M7332 model number comes with two variants, the larger plug that fits both the PB1400 and others including the Pismo, and another variant with the smaller plug that fits newer models. The larger plug version is compatible with the PB1400, and I verified it is connected per the drawings by...

There is a somewhat obscure note on PowerBook power adapter sense circuits at http://developer.apple.com/qa/qa2001/qa1266.html which specifies clearly where the +24V and Gnd connect to the augmented sense shell equiped stereo plug. For the 45W Yo-Yo supply, the ground shield of the coax is...

Glad you got it out ok. I've seen this before: there is a mode where the eject mechanism does not seem to get cocked fully when the card goes in, so none of the usual ways does anything when the various triggers get actuated. What I recommend in the future: Shut down the PB1400. Then using...

At http://www.acecomponents.com/ their inventory lists 100 BU406 in stock. Of course, this just might be the date code marked on some one leaded interdigitated phramisoidal confobulators that are misfiled, so you might want to have a human being break open the tube and see if there is a...

Hmmm, I seem to recall a recent poll... "Is this guy (me, MacDan) a dork for not knowing where to look?... I have no idea where to start looking for old Macs to add to my collection..." Well, I guess you can teach us all now, Mr. Quick Study and NOT_A_DORK! [:P] ]'> [:P] ]'> [:P]...

I recommend you visually inspect the face wiping contacts connecting CPU and memory, especially those on the CPU board plug in that face upwards (possibly marked J700 pins 1 thru 70). It only takes one piece of lint, grit or spec of plastic to keep the gold contact pairs from connecting. A...

Today I happened upon this guy's opinion: http://www.engsw.biz/drawroom/ScottD/DavidScott.html Edited addition: caution on bias, he is one of many user testimonials on a vendor site.

Or, you can talk to the the plotterdriverguru himself: http://www.classiccmp.org/pipermail/cctech/2007-February/074109.html :)

When you create some artwork and do a Save As, what output file format options do you have in your version of minicad? Also, are there any menu choices that say plot, rather than print? The plotters used with Macs were many, because Microspot put together a broad package of drivers and plotter...

Corrosion from the inside is certainly possible. Also I suspect, but do not care to prove, that the battery will eventually explode if the SMT version of the 1N914 blocking diode in series with the battery starts to leak for any reason, including electrolytic capacitor crap, and allows the...

The SE/30 logic board 14 pin power connector (vertical header assembly housing, male pins) Molex Mini-Fit Jr connectors Molex part number 39-28-1143 DigiKey WM3806-ND Candidate for the proposed PC mount 14 pin dual row vertical receptacle header (female pins, no latch) Molex Mini-Fit BMI...

Probably not. If you have the second edition of Guide to the Macintosh Family Hardware, turn to page xxxiv. (Or page xxiv in the second edition of Cards and Drivers) In the About the Macintosh technical documentation section, that Tech Intro book and the Programmer's Intro book, as well as...

If the screw got partially stripped by another, the stripped section when backed into a nut can spin with the remaining good section of screw acting as sort of a loose rivet head. So tightening such a screw will often properly tighten, while backing it out starts to work then stalls and spins...

Try http://web.archive.org/web/20010628143320/www.accesscom.com/~gamba/images/se30vid_cd.gif http://web.archive.org/web/20010628122741/www.accesscom.com/~gamba/images/layout.gif http://web.archive.org/web/20010628121400/www.accesscom.com/~gamba/images/art.gif Corrections from gamba's...