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I have two and both say apple on them. T he ey look like this one —> https://guide-images.cdn.ifixit.com/igi/WPuQpgkMjrYZvbDi.huge I read somewhere that they are express modems and then found the software and that solved the issue. A whole new control panel for it.

I finally got my PowerBook 180 built in apple modem to work by installing the express modem drivers from the custom install options on this cd image: https://macintoshgarden.org/apps/apple-telecom-v303

Here's a link to my battery enclosure: https://www.thingiverse.com/thing:6248491

some info: https://tinkerdifferent.com/threads/recreating-macintosh-portable-hybrid-module.899/

It’s the power management system for the battery. It is right next to a bunch of caps and gets corroded and dies. Both SuperSVGA and Androda have made and sell replacements. Here’s a pic of SuperSVGA’s :

ill send some photos. Yeah I have fixed several now... the worst ones for me so far are IICX boards so far.. this particular portable boars was is BAD shape.. the previous person who tried to re-cap it had no idea what they were doing and lifted a bunch of pads and traces as well as burned up a...

Interesting i haven't heard of that.. im just going through the board with a magnifier, scraping off corrosion, continuity checking and solder patching with micro thin wire I have had to drill out a few vias with a .3mm drill bit about the same size but not sure if these are multilayer boards or...

Nothing new form me yet. Something to do with the RAM... either a broken trace or a bad RAM chip itself but I am leaning towards a broken trace because at this point I have repaired about 4 or 5 boards and its always been traces, caps, and hybrid boards.

Exactly. I bet they’re about 2,000mah. That would be around the same as the original packs. I’ll test them and find out when I get my load tester. These are the batteries I used: Deleepow AA Rechargeable Batteries Nimh 3300mAh 1.2V Batteries AA Size Rechargeable High Capacity 1200 Cycles...

I just made a new pack yesterday. Ended up modeling one myself since I wasn’t able to edit the STL. I made two packs. One with 10 1,000mah NiCd AA batteries which gets around 1.5 hrs runtime and another with 10, 3,000 maH Nimh batteries that’s getting around 2.5 hrs runtime. I haven’t done load...

Ok thanks. I’m sure it’s a broken trace somewhere. I have found and fixed several already. Just hard to fin. The first error I got was a power manager handshake error so I replaced the hybrid with one of yours and then got the same error! So I Probably ruined a perfectly good hybrid. Turned out...

Ok thanks. I’m sure it’s a broken trace somewhere. I have found and fixed several already. Just hard to find now.

Another question, Anyone know wether this is more likely a bad RAM chip or more likely a broken trace? I am combing through the board looking for bad traces or via's but so far no luck. Would be nice to know if it is getting to the self test then that means that all the connections to the RAM...

Same here but mine is 00000003 000000FF

Hey all, Working on another Macintosh Portable board I got on the cheap but... Someone freakin destroyed it trying to do a cap kit. It also has/had several broken traces from leaky cap corrosion. I've fixed replaced all the melted and or broken components / lifted pads, and all the broken...

Wow, ok I learned something today... Whenever I saw that connector my brain said "Nubus".

Looks just like Nubus!

oh wow, I looked at a board and thought the connector was a Nubus.

The DeclROM is not working then for sure. I’ve also installed the rocket software. I wonder what the lowest cost and closest to a IIcx model Mac there is that I could use as a bench testing device. Was thinking an LC or LC II maybe. It has one Nubus slot on it. Yet another Mac board to find...

Ahh. Thanks. Good info. One thing I saw was a description from someone who sold one on eBay saying “For sale is a Radius Rocket Accelerator. I dont have a way to fully test the card with drivers, but TattleTech shows the card installed so I am very confident the card will work fine.” So...