I’ve replaced it with a modern alternative so now the battery is easily replaceable in the future. The SLT / 286 had a 12 MHz Harris or Intel 80C286 processor (both brands were used during the production of the SLT / 286) and a grayscale VGA LCD display, the very first laptop to feature this feature. This means it doesn’t remember any of its settings after you turn it off, and you then have to boot it from floppy to configure the HDD. It is also notable for being Compaq's first laptop computer. Whilst I had it in pieces, I also fixed the common issue with the Dallas RTC chip being dead. The SLT/286 had a 12 MHz Harris or Intel 80C286 processor (both brands were used throughout the. Looking at the contents on the HDD it seems it once belonged to Woolworths! I guess they didn’t have proper disposal procedures back then. It is also notable for being Compaqs first laptop computer. So I decided to get a second one and combine the two using the best parts of each, and now I have a fully working one I can measure the voltages and maybe resurrect the other one in the future.īut for now I have this one fully functional with the 40mb Hard Drive and a 4MB Ram expansion. I looked around for the schematics but didn’t have any luck. After buying one of these as spares or repairs to try and fix up, I hit a bit of a stumbling block when I discovered the internal DC-DC converter seemed to be dead. In early 2019, I found a copy of Volume II of the COMPAQ 80286-Based Products Technical Reference Guide, but Volume I was missing.
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