… or DOS FTW! \o/
This small project started because I wanted to have a standalone and compact machine with DOS and run some old school games like DUNE 2, Blackthorne, Flashback 😀
I’ve started looking around on a local bidding portal and I’ve found a very pretty Olivetti laptop with 486 inside.
Obviously, I’ve bought it … but a while later I’ve received an email from a seller about another unit that he had – DEC HiNote Ultra II Laptop with a Pentium 100 onboard – straight from 1996!
I was like …
… and I’ve bought it too 😀
When a package with both laptops arrived, I’ve figured that I’ll go with DEC as a first patient, because I already had a good plan for it! 😀
Olivetti restoration was automatically postponed and will be covered in another blog post.
I’ve made some pics of it after unpacking and during disassembly just to show you how an elite laptop looked back in a day.
It came with an external floppy drive.
A mandatory bay for an RTC battery.
Back in a day, we’ve had chips serving various tasks. You won’t see it nowadays … Everything is SoC now …
Can you actually believe this is a mainboard from the 90s? :O
Modding and fixing
Sure DEC was a bit dirty and required nice cleaning but it also had a dead battery and a weird charger socket. That had to be addressed 😀
Obviously, I wanted this laptop to work on battery power, but unfortunately, all cells were dead. I’ve decided that I’ll simply swap ’em all. I had several 18650 cells lying around so my next step was obvious 😀
Rotary tools are awesome 😀
Mandatory failure while working with traces wrapped in Kapton …
I didn’t realize that it will be a problem to install an OS onto this machine until I’ve figured that floppy drive is not working.
Kinda hard to install an operating system when there is NO USB, NO CD-ROM, NO NETWORK … plus a dead floppy drive 🙁
A floppy drive was constantly running but nothing booted.
I’ve opened it and to my surprise, the main belt was disintegrated lol
I’ve then tried to put a rubber as an alternative …
… but that just didn’t work at all so I’ve skipped further repairs because I was way too impatient to run a new OS on that machine. I had another idea in mind.
I’ve wanted to use a VirtualBox VM to install DOS from images straight to a Compact flashcard. It turns out that you can actually set VM to use a physical drive instead of virtual.
Here is how the installation process looked.
… aaaaaand TESTING 😀
Final tests and a Flashback ;P
“HIMEM is testing extended memory…” daaaamn, I missed that 😀
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