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How to service an old Apple II floppy drive
By8BitClubCAUTION! Improper tuning of the disk speed may cause your floppy to stop reading disks. Be sure that you have a spare working floppy so you can boot Locksmith from it. Thing you will need: 1. Locksmith boot disk 2. Working floppy drive so you can boot from it 3. Blank 5.25 inch floppy disk or an old one that you don’t care for. 4. Flathead screwdriver for turning the motor speed trimer 5. Oil or lithium grease 6. 99% alcohol 7. Q-tips If you…
The OG Xbox and the Clock Capacitor Problem
ByvkirovWhen restoring early-2000s hardware, the original Xbox often comes with a hidden danger – the clock capacitor. This small component was originally designed to keep the system clock running when the console was unplugged. While the idea made sense back in 2001, it turned into one of the most notorious weak points of the system….
IZOT CM1604 M3 restoration – part 1
ByvkirovThe time has finally come to take a look at the other terminal we acquired in our last haul from a local factory here in our town. CM1604 M3 is the third revision of the computer terminals manufactured in 1985 by ZZU – Veliko Tarnovo and sold by the brand “IZOT” here in Bulgaria. The system is a…
IZOT CM1604 – restoration and repair
ByvkirovRecently we saved from the scrap two IZOT terminals, used in the local factories here. Basically these are DEC VT100 clones, made in Bulgaria in the 80`s. In the following articles to come we will take on a more detailed aproach on the CM1604 and the M3, whis is the third revision.
PRAVETZ 8A – restoration and cleaning
ByvkirovAfter long years of searching, we finally acquired not one but two very well-preserved computers. Pravetz 8A is considered to be one the rare models here in Bulgaria, mostly because most of them were exported to the USSR. Also, they were not sold freely here, only certain institutions had access to owning them. Although it…
A “COMPANION” in our collection
ByvkirovDuring soviet times many computer clones were created, most of them were manufactured in Bulgaria and then exported to the USSR. But many other computers were made inside the USSR, mainly ZX Spectrum clones. In our example, the computer is manufactured from the beginning of the end of the USSR to until 1995. “Компаньо́н 2”…























