Follow up on PS/2 55 SX

Posted on Tue 29 April 2025 in vintage computing • 1 min read

So I did got back to playing with NetBSD on the PS/2 55 SX as I was afraid I would (check the original article here) and got it running. To be exact I got NetBSD 3.0.3 to install and run as I mentioned before, and after sorting the BIOS issues by deleting the file that store the non-volatile contents of the emulated BIOS and recreating the Reference Floppy with the .ADF files I still had to resort to using the installation boot disk to boot the installed system. By pressing any key and entering "boot hd1a:netbsd".

Result of calling the command dmesg

I also got one network interface to work and used it to ping the Google servers but I could not test an HTTP connection due to the lack of a client program like WGet, cURL or even netcat.

Ping Google.com

I manage to compile a hello world program:

Hello, world on NetBSD 3.0.3

Hello, PS2! (O2 to make it run really fast)

I'll leve the screenshots of the setting I used and here the 86Box config file

86Box Setting, Machine

86Box Setting, Display

86Box Setting, Network

86Box Setting, Storage

86Box Setting, Hard Disks

To be honest I tried to manually install packages for a new version of NetBSD by adding a virtual SCSI CDROM driver and I could mount it (mount -t iso9660 /dev/cd0a /mnt) and copy the files, but it obviusly was not a very smart idea. I'm sure you could compile wget or something from source using the same method but I'm done with this. For now?

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