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Front view of the Sun Microsystems UPN, super small desktop system. This is a prototype and no more than about 20-30 were ever made. Measured approximately 9 inches long, 7 inches high and about 4 inches wide. Had two SBus slots and a AFX graphics card slot. Two serial ports, Sun Keyboard/Mouse connector, 16-bit audio and external SCSI. On the top were slots for up to two PCMCIA cards, which brought in nascent WiFi capability. There was an internal SCA type hard drive of approximately 200GB. Processor was the Fujitsu turboSPARC-170MHz. Memory was two standard 32MB DRAM cards. Ran Solaris 5.9 operating system.

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Front view of the Sun Microsystems UPN, super small desktop system. This is a prototype and no more than about 20-30 were ever made. Measured approximately 9 inches long, 7 inches high and about 4 inches wide. Had two SBus slots and a AFX graphics card slot. Two serial ports, Sun Keyboard/Mouse connector, 16-bit audio and external SCSI. On the top were slots for up to two PCMCIA cards, which brought in nascent WiFi capability. There was an internal SCA type hard drive of approximately 200GB. Processor was the Fujitsu turboSPARC-170MHz. Memory was two standard 32MB DRAM cards. Ran Solaris 5.9 operating system.
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Mark J Koch ✅ (maehem@mastodon.social)'s status on Saturday, 25-May-2024 09:19:46 JST Mark J Koch ✅

A gentleman named Paul Khoury approached me about getting a retro computer he'd acquired up and running. The computer is a Sun SPARCstation UPN (1997), a prototype for a super small desktop computer that preceded the Mac mini by about 6-7 years. Only about 20 were ever made. I was the designer on the project and had poured my soul into it, so I was proud to help him get it running. I dug out the schematics from storage and gave any advice I could remember and he got it powered on in a few days.

In conversation Saturday, 25-May-2024 09:19:46 JST from mastodon.social permalink