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January 2026

chro.mono 1.1.3 open source release
2026-01-02

An update to the 2013-era chro.mono color puzzle has been released, integrating Alberto's Wii port, adding support for cross-compiling to Win32 and other build improvements.

July 2026

Upgrading (and dumping) the SPARCstation 10 boot ROM
2026-07-28

The SPARCstation I have here came with boot ROM 2.9. Since it now sports two CPUs in a SMP setup, I was told I should upgrade to version 2.25 (the latest available). This involved getting a ROM burner, OTP ROM chips and also dumping the old ROM chips in the process.

SPARCstation 10 RS-232 serial port access
2026-07-29

For debugging purposes, it's useful to see early boot messages on the serial port of the SPARCstation. Some notes on how to configure the jumpers and the pinout of the serial port, plus how to improvise a gender changer for using a PC null modem cable.