Zenith Z-Note Flex Notebook Review

When disassembling a cabinet with computer antiques of the company, a laptop from Zenith Data systems was discovered.

Historical reference




Zenith Data systems was founded in 1979 and was engaged in the production of personal computers, and later laptops. She worked closely with Microsoft, computers and laptops of this company had a unique opportunity to debug the program by pressing the combination Ctrl + Alt + Ins. Acquired by NEC in 1996.

The laptop was found and successfully launched first in DOS, then in “Arachne” - a kind of window system with a mouse, using an HTML interpreter as its basis. The next step was the launch of Windows 95, also installed on this laptop.

About laptop


1. Processor: Intel Mobile 80486SL CPU 50 MHz
2. RAM: 640 K Built-in + 3072 K extended
3. HDD 172 MB
4. 3 1/2 ", Floppy Disk Drive (replace with a second battery)
5. 10" LCD monitor, monochrome.
6. 2x PCMCIA
7. Ports: COM, LPT, VGA, PS \ 2
8. Trackball

Now a photo with a few comments (~ 3MB photos).

Sightseeing photo of a laptop, just launched. The first shell that was launched was launched, it turned out to be Arakhna.



So the laptop greets everyone who turns it on:



All the laptop's indicators are displayed on a separate panel here (photo during power-up):



It’s in the normal laptop’s working mode:



Arachne shell is



launched Windows 95 is launched:



Immediately after loading the OS, it became boring, since the laptop did not have a network card, and now there is no way to find PCMCIA. So I started disassembling the laptop.

The laptop turned out to be modular, even the processor could be removed and replaced in 1 minute:







This is what the power cable connector looks like:



Such a laptop from below:



It is after removing the covers and hard drive:



And here is the hard drive itself:



Floppy and battery:



It’s interesting that the hard drive the disk, battery and floppy had the following connector:



In the laptop itself, behind the Floppy slot there were 2 connectors, apparently for installing an additional battery:



Here is the processor module, which easily jumped out after unscrewing only 1 screw:



Even the BIOS battery was inserted without screws and easily got out of the slot on the side of the laptop:




Here it is:




Both shift keys did not work in the laptop, so there were some basic things on the laptop that could not be done. But even when you press the power off key, the laptop says:



And in the event of a failure, it returns safely to the system.

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