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It turns out that I didn't even need to run lspci for open firmware in order to uncover something really quite strange. As I understand it, the S900 has just one PCI root device, pci1, hence its use of a bridge chip for its lower four PCI slots. However, when I run devalias I am met with the...

Please could the owner of a Gazelle system run .properties on the nvram when they get the opportunity? I'm messing around with the SuperMac S900 and am trying to establish if its nvram is located in the same place in memory. For reference, this is the S900's nvram.properties: name...

Having finally revived my Umax Pulsar (SuperMac S900) I thought it was about time I had a poke around in Open Firmware and took a look at if and how this patch could be applied to it. For context: The S900 is quite strange. From a hardware perspective it is very similar to a Power Macintosh...

After a very long hiatus I am pleased to report that the Pulsar lives again.

The 0194 monitor that I described was the first Pivot model made and it uses a DB9-DB15 cable, the pinout of which is not listed on any part of the internet that I have found. I believe many others have tried and failed too. I think I have figured out the correct pinout myself but I am unsure...

Just to add a touch more useful info to this: FireWire (via Thunderbolt -> FireWire adapters) on Ventura is extremely sketchy and unreliable - a lot of devices will simply not work at all. I am pleased to say, however, that Sonoma has fixed all the trouble I was having with it.

I got my hands on one of these nifty old monitors (and matching SE/30 card) recently. The card works perfectly but the monitor was very badly stored and has needed a fair amount of TLC. I've patched up the PSU so that it no longer instantly detonates the fuse when power is applied. Luckily, the...

I've got a preliminary layout for the Cube version done and am currently engineering a combination of it and a PowerBook variant. It should fit in an iMac G3 too if all goes to plan.

That is very strange. Does the serial port work properly otherwise? The iMac was never officially supported by the original Gport driver and the StyleWriter II is ten years its senior so this is a real edge case. I'll help you get it working as best I can!

Were you soldering in a well ventilated area?

Just bought a PowerBook G4 Titanium while on holiday, demonstrating my absolute lack of self control when it comes to cheap, lonely old Macs. Luckily it has the exact opposite broken and roughed-up bits of my other TiBook so I should be able to meld them into one quite nice one and one utterly...

My installer for 7.6 was corrupted so I just jumped straight to 8 for the creature comforts it brings with it. It does make sense that 7.6 is a lot better, though. I didn't previously have a machine with 8 so the 8100 now serves a nice little niche in my collection.

FWIW, I had an absolute nightmare with 7.5.X on my 8100. Every version I tried was extremely crash-happy and slow. Switching to version 8.0 fixed all of that immediately. If it's a BlueSCSI v1 it will not work properly with your 8100. I recently attempted to use one with mine and it was a...

I tend to do the same for IDE stuff because quiet and new-ish disks are easy to come by but when it comes to SCSI it is really rather difficult to find disks that I can tolerate being in a room with. For me, modern solid state SCSI solutions are well worth the price for the versatility and...