scsi termination

This is a very simple and well-known mod for the Macintosh Plus, but I haven't seen it documented on TD so here goes: The Plus does not provide termination power on the SCSI interface from the factory, but has the requisite circuitry to do so, if you add a diode to CR1 on the logic board (right...

For the future edification of people who might have run into this issue, if you use a Zip100 Plus (the Parallel Port / SCSI autodetecting version) on a SCSI port, the SCSI bus is left unterminated. This will often cause issues with the SCSI bus crashing (in my case on a Mac LC475) and no devices...

Greetings. I was hoping someone here could help me solve a mystery. I have an LC 575 that's been running happily with a SCSI2SD as its internal drive. I recently got a ZuluSCSI mini I was hoping to use as an external drive. The ZuluSCSI worked great on my LC 630, but when I connected it to the...

Introduction All PowerBook models released up to and including the PowerBook G3 (Bronze keyboard) include an external SCSI port except the PowerBook Duo 200 series. The PowerBook Duo must be connected to a dock of some kind to have a physical SCSI port (SCSI Disk Mode is only supported with the...

I've got an Apple-branded Quantum Fireball 1280S 1.2GB 3.5" SCSI drive that won't mount. If I change the SCSI ID via jumpers, SCSI Probe shows the correct ID every time. But SCSI Probe won't mount it, nor will any other Utility app I've tried. Most utility apps (Lido, SilverLining, etc.)...