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June 01, 2015

Older laptops find current use for 3000s

By Brian Edminster
Applied Technologies

Back in the MPE-III, MPE-IV, and MPE-V days, I often advocated using a printing terminal as a console (i.e. an HP 2635), in order to leave a permanent hardcopy audit trail.  A little loud, sometimes, but it made it hard to hide what was going on, and allowed you to flip back through prior 'pages' of history. And unlike PCs, the messages were persistent (that's to say they would survive a power-fail).

Since then, I've been an advocate for using PCs as a system console workstation -- often ones that would otherwise be ready for retirement.

Compaq Armada laptopActually, I prefer to use laptop PCs, as they're typically smaller and lighter, have a battery in them that can act as a short-term UPS, and many can be configured to allow folding the screen closed while leaving them turned on and active. A laptop saves space, and if the system's been configured to shut off the display and spin down the drives when there's little to no activity, it can save power as well. 

Key documentation and/or other useful info can also be kept on the laptop as well -- so you don't have to look things up on paper. If the laptop is old enough, either it (or a docking station for it) will have a serial port, or you can also go the USB to Serial adapter route, if necessary. Something like this Compaq Armada is quite old, but it does include a serial port.

On the laptop, the freeware QCTerm terminal emulator is a perfect choice for use as a system console, and has a 15000-line memory. That beats the heck out of any CRT I've ever seen! You can still get copies of this emulator from the Internet archives. I also plan to make QCTerm available, along with associated documentation, on my website.

I've provided a working URL that'll take you right to the old download page for the latest version of QCTerm (v3.1a). Just click here. From that page, you can also search 'backwards' through time, to find earlier versions of QCTerm as well.

07:38 PM in Homesteading, Web Resources | Permalink

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