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Hopefully, this would come in handy for anyone curious about the PCMCIA module made for the PowerBook 500 series. I've posted as many pictures from various angles of the board assembly and parts (in case anyone has interest in planning modifications and how much space is inside the module) as I don't intend to open this up very often. If at all. There are three hex screws, one plastic tab, and a sticker holding my Rev C module together. I didn't have a hex bit of the correct size, but a Torx T6 proved a snug fit that allowed me to remove the screws. When I depressed the plastic tab back a small distance, I was able to carefully lift and separate the pieces only slightly, hinging at the sticker in the back. Some patient "working" back and forth allowed me to carefully separate the sticker from one of the pieces, and the unit was opened. I worked the board assembly from the back to the front to lift it from the bottom molding. The module ejection mechanism is separate from the board, and is a fixture on the bottom molding - it may be difficult to replace if it becomes damaged. Here is the bottom side of the board assembly. All pieces, angled, minus screws. Left side top (from front of module). Right side top (from front of module). Left side bottom (from front of module). Right side bottom (from front of module). Overview of bottom of board. All pieces of the module. Front hinging doors of the module. There is one stretched "rubber band" that acts to spring the doors back to resting position. If this part breaks someday, you could probably just install a rubber band to replace it...I'm actually surprised this one hasn't dry-rotted, yet. Or hack another spring assembly to your fancy. Okay. Just let me know when you make USB and cardbus possible for the 500 series.
Hey, all! I've been lurking around here for a while, enjoying all of the acquisition posts and knowledge from the different subgroups of this community. Reading about the stories posted here really got me excited about vintage hardware from one of my favorite tech companies. I wanted to make sure my first post would be on the "Apple" of my eye. I've been hunting for a PowerBook 550c for a few years, and lately, the time has been ripe. I recently acquired one on Yahoo! Auctions, which had the 100Mhz (or 99MHz?) PPC upgrade and 32MB module installed. I also found a PCMCIA Rev C module and a NUpowr 500 167MHz 8MB daughterboard/set. There were a couple issues: when I picked up the package, I was so excited that I had to open it right there in my car outside on the lot. I was worried about the long trip it had to take overseas that it could be damaged, and I did not insure the package. It was dark, but I had the Map light on, and looking at the unit took my breath away. It was a sight to behold. As I played with the "feet," I ended up snapping the left side foot trying to pop it out. Some JB Wield/superglue remedied that, and has held up very very well so far! Also, the right side battery had corrosion that ruined the battery contacts inside. I'm just glad the unit still functioned, but I wanted a permanent solution. I bought a 520 on eBay recently, and transplanted the right side battery contact module over to the 550c. The transplant was a success, and I successfully revived one of the batteries that the unit came with using the Intelligent Battery Recondition and EMM VST program after reading here on some of the past experiences of users that posted previously. This was merely just so I had some kind of verification that my soldering work was not crap (: Here is a picture of the current setup. I am truly ecstatic about this new addition to my Mac fam, and I truly appreciate the wealth of knowledge I've been reading here on the forums. I am still waiting for a IDE -> CF card adapter. The drive that was included in my 550c was a 1GB Apple-branded IBM drive connected to a SCSCI -> IDE attachment by ADTX. Enjoy the pics! I have quite a few more, but having trouble loading them up here. If I can load more later, I post an update! Cheers