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Ultra 5 and Ultra 10 systems use the "old" Sun connector. You might be able to install a USB card, but you won't be able to use a USB keyboard until an OS with support boots up. If you need to access the Open Boot Prompt, connect a serial terminal to serial A and use that. Hint: a serial BREAK...

Looks like a Sinclair QL power supply to me. Have a look at http://www.dilwyn.me.uk/docs/hardware/index.html and (specifically) http://www.dilwyn.me.uk/docs/hardware/qlpsu.png

Those work well until you need to do STOP-A - the keystrokes for that are either not documented or don't work. Personally I try to stick to a serial console, because (a) I know it will work (and I can send BREAK instead of STOP-A) and (b) most of my Sun playing is actually work, as I provide...

Banner has gone following a page reload. It didn't have any icon to close it. (Pixel 4a phone using Chrome). Nothing to do with font size - using default settings. Update: my back button allowed me to capture the attached image;

The new banner blocks half the screen when reading, and when I post I can't see what I am typing. Luckily this is my 9th post. I don't want to post another r"random rubbish" post just to eliminate this silly restriction. If there any typos on this post, it's because my screen is occupied by a...

To be honest, I only knew about the "Mac on SEEPROM for Sunblade 1000" because I've had to refer to the IDPROM listing a few times over the last 12 months If I had an issue with a SunBlade, my first ports of call would be to find a PDF of the service manual (if it exists), and have a look...

I'm interested, but I can't DM you.

The MAC address is stored in the SEEPROM in U2101, rather than NVRAM. (Take a look at https://dogemicrosystems.ca/pub/Sun/System_Handbook/Sun_syshbk_V3.4/Systems/SunBlade1000/components.html scroll down to IDPROM.

Same goes for

I'm interested, where are you located?

I have a Sun IPX which I've had in storage for the thick end of 5 years, that I'm trying to bring back to life, which is falling to power up. Connecting power and turning on the mains power gives nothing - no twitch of the fan motor, no high pitched squeals or ticking. Powering up with the hard...