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Reboot the machine while holding down Cmd-Opt-X-O. This should force the Classic to boot from ROM, and then you'll (hopefully) be able to see what's on the HDD. It could be that the drive is failing and causing an extension to not load properly -- if it's got the original Quantum or Conner 40MB...

In this case, everyone's right; there's really no legal way of doing this, unless you happen to have a few billion dollars lying around. You'd basically have to stage a hostile takeover and fire everyone before they'd even consider licensing to a third party again. Can you expand on what it is...

My work has a lot of surplus machines (from customers upgrading), so I asked if I could take home one of the old (2003-vintage) Dell servers we had. Permission was granted. :D This machine is going to be running NetBSD and distcc to help out my poor little LC 475. As for other goodies, I...

There is indeed a Linux driver for the video-in on the [789][56]00, called "planb", but it has several unresolved issues (notably, from what I understand, no V4L2 support) and was recently dropped from the kernel due to neglect (2.6.26 is the last version to include it). I used it in the past...

Iomega stuff tends to be designed especially for their devices (Zip and Jaz drives), and I wouldn't recommend trying to make it work with anything else. As for SCSI-IDE and SCSI-SATA bridges, the ACARD ones work extremely well but are a bit pricey (the one I'm eyeing for my 475 is $140). Why...

The only problem with RadioShack is that they want $20 for this particular battery. I'd only buy from them if I were desperate. -lee

I had one of these, and I found out that it's, well, kind of impatient with respect to TP/AUI autodetect. Here's what's going on: - Pretty much all modern Ethernet gear is auto-negotiate, based on the old National Semiconductor NWAY spec. What this means is that there is no carrier on the line...

I've never actually seen the Outbound adapter, but I did find a discussion somewhere (I've forgotten where now) of how the DOB works internally, and judging from the chips that are on it, the Outbound's adapter board would seem to work the same way. -lee

I did exactly this once when I was short a network card for my 475, using Linux on my 8600 and an Mac-to-ImageWriter printer cable. It worked, but it was, well, slow. -lee

Sort of. The 92C32 and the VCO are there so the card can set an arbitrary bit rate (the 37C65 only supports the standard FM/MFM rates). That way, it can read 800k disks without changing the motor speed; PC floppy drives are built like HDDs, and are locked to a certain speed (usually 300 or 360...

The floppy drive mechanisms in both cases are pretty dumb devices. PC floppy drives are actually dumber than Mac floppy drives -- about the only thing they can do by themselves is reset the heads to track 0 on power-up, and the bus they use is pretty much the same as the old Shugart SA400 from...

LVD devices, unlike their older "differential" siblings, can automatically fall back to single-ended SCSI if they sense they're connected to an SE bus. They usually have "force SE" jumpers on them as well. About the only extra hardware you'd need is a 68-50 adapter and a terminator (or an old...

To attempt to straighten all this out: The "ST-506" interface is actually a superset of the old Shugart floppy bus (which PCs still use, incidentally). The wide cable has the control signals, and the narrow 20-pin cable carries the data (raw data with MFM or RLL applied and all the formatting...

Here's what I'm seeing: * The PCPC HD20 SCSI board adapts normal Mac SCSI to the Rodime proprietary interface used by the drive. It's only really useful with the original drive. * Now that I've had some time to think about it, I can take a better guess at what that IWM on the stock HD20 bridge...

I'm using a Hitachi-LG DVD-ROM drive scavenged out of a defunct ThinkPad on my Lombard, and it works great in OS X. It also seems to work in OS 9.2.2 as well, though I haven't tried it with a non-HFS disc yet. ETA: Something I forgot to mention is that the Lombard's media bay adapter isn't set...

I have my Lombard (which I got off eBay in the spring of 2006) tricked out with the DayStar G4 upgrade; it's not a huge speedup (just barely fast enough to play DVDs, even with AltiVec) but it makes a difference. The CPU it came with had the LoneStar lockup bug, and I was feeling adventurous, so...

Not quite, in this case. The controller/drive dichotomy died with ESDI back in the early 1990s; all drives these days have full controllers on them. The real issue is what the host adapter is capable of. Some HAs set up DMA transactions such that they need to know the block addresses on the...

The one thing that might be trouble is the serial interface the Z8 on the drive and the Z8 on the HD20 bridge board are using to send commands. The patent doesn't really elaborate on the protocol. That said, it's low bit-rate serial using, if anything, RS-232/422 framing, so it should be easy to...

Looking at the pictures on Flickr, I notice the drive itself has an Adaptec AIC-270 RLL codec and a Ferranti ULA5R-series semi-custom chip on it, both common hard disk controller components in the late 1980s. Digging around in Google, I found some interesting tidbits in the patent search: US...