![]() Getting on with it, the drive itself with the top cover off looks like this:Īlready you can see that the PCB sits underneath with a large capacitor for power filtering. So if you want to keep everything in perfect pristine condition, do not attempt to open it! But if you want to try to get it working … a sacrifice is necessary. It is pretty much impossible to break open the device, even apply pressure at the seam, without breaking one or more of these darned tabs. These tabs are located two on the left side along the left seam, and one on the right side, with a special cut-out pattern for the rear I/O plate which slots into the case. They’re instead built with internal locking tabs. Unfortunately, these drives aren’t built with screws. As this drive didn’t come with a power supply, I used the one from the parallel port drive, a linear transformer based supply rated at 5v 1000mA. Interestingly, the serial and the drive details are stuck on the side of the drive, where the power connector is. The parallel port version also features two DB-25 style connectors, just without the slide switches and with different symbols in the plastic. ![]() There’s also the famous emergency eject hole which you can use to release your disk without power – as these drives had an electronic ejection mechanism unlike most floppy disks. A rather limited selection, but most other devices can have the full 0-7 set, so that shouldn’t be a big issue unless you wanted more than two of these on a single SCSI bus. There are switches for termination on/off and also for setting SCSI ID to 5 or 6 only. Here you can see that the drive has two DB-25 connectors, so the SCSI bus can pass through the unit. This one has the SCSI connection diagram – the parallel port version has a different label with the serial number also on the bottom. One thing to note is the bottom label which varies. Having previously taken a peek inside that one (before this blog was even established), I knew my way into the drive. In fact, the differences are so subtle, I will not bother to photograph the parallel port drive. I do have a parallel port version of the ZIP 100 drive that looks exactly like this one. It would click endlessly like the infamous click of death, but the spindle motor speed seemed to be somewhat off. I did plug it in, only to find that it seemed to be faulty. This drive had a bit of a rattle when I got it – and by the time I got home, the top window had broken off already. Another big thanks to Robert for this one! I’ve briefly covered ZIP drives to some degree (really only covering the USB bus-powered drive) in an earlier posting, but today I was given a SCSI drive.
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