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I feel I have to intervene a bit here :) Like PB145B said, there are no electrolytic capacitors on the PB170's motherboard. And the power source is a new switched power supply (inside the original case), so the problem is not there. I've also tried different power supplies with the same...

Does anyone here have any information about the layout of the PowerBook 170/140 motherboard? Since a couple of months back, I've had problems with my PowerBook 170, somehow related to the AC connector (I've been using the computer more or less daily since I got it back in 2001, averaging about...

I just found this, which might explain the issue you’re having: A variant of the AIFF-C file format (dubbed AIFF-C/sowt) was introduced by Apple after the company started to use Intel processors in its personal computers. The file header and its numerical fields still use big-endian byte order...

Did you open PC Exchange? (In the Control Panels folder). If you do, it will let you add a file extension, pick one of your installed apps and choose one of the its supported file types in a list.

I wrote this reply before I saw LaPorta's post, but didn't get a chance to post it before the forums went offline earlier this week. Same idea as in LaPorta's post but expressed a little differently: I suspect that what's happening is that the files loses/don't get any type/creator codes when...

On a side note, another reason for building a second battery was that I wanted one that looked less homemade in order to – hopefully – allow me to take the computer with me while flying. It was with some great worries that I approached the security control at Copenhagen airport about a month...

Hello! Just thought I'd mention that I recently built a second battery for my PowerBook. Since I'm slow-charging my first battery at 0.1C for 15 hours in order to maximize its lifetime and performance, I soon felt a need for a second one. This time I used one of the original cases. After an...

Thanks!   I love any application of frosted glass or plastic myself, so that was a natural choice :) If I would start selling these, I'd have to improve on the build quality and the time spent :) But I hope my report might be of use.   Regarding the LED upgrade, for now I can tell that it...

Just thought I'd join in and add that I made a first, and successful attempt at building a new battery for my PowerBook 170 at the beginning of this year. I don't have access to any 3D printer so I made the case using saved pieces of translucent plastic that melted together using an iron with a...

By the way, while searching for information about the display and inverter, I found this: http://winnilcd.en.made-in-china.com/product/vMbxgcerABhi/China-Industrial-LCD-Panel-HLR1014-101125-HLD1014-03-0010.html   Certainly fascinating if this 24 year old laptop display is still in production for...

While waiting for some more insightful information from you guys, I made some basic measurements of the inverter board and input connector pinout myself. In case this information might be useful to someone else, I'm posting it here. Likely, the pin assignment is as follows:   01 Ground 02 Ground...

Thank you for your reply! Good to know. I actually have a few other PowerBooks I could use for a spare CCFL, but an LED backlight is very tempting, and would last longer.  Apart from the backlight being very dim, the display still works fine, so I haven't thought of replacing any caps yet. I...

Hi everyone!   I have an old and classic PowerBook 170 that I'm still using (along some more recent equipment, perhaps I should add :) ). Unfortunately the screen backlight is on its last legs. Since I recently upgraded the storage to a Compact Flash-card (through the amazing PowerMonster II)...