CATEGORY: GUIDES

GUIDES

GUIDES

NEW BUILD ZX SPECTRUM – THE ULA

A modern recreation of the ULA thankfully has been made available by Charlie Ingley relieving a massive headache with the build as it would have been the hardes...

GUIDES

GUIDES

NEW BUILD ZX SPECTRUM – ADDING LOWER AND UPPER RAM

The old Spectrum used two types of RAM. 4116 chips for the lower 16k of RAM and 4164 or 4532 DRAM for the 32K of Upper RAM. An interesting tidbit is that the up...

GUIDES

GUIDES

NEW BUILD ZX SPECTRUM – THE ROM

We have two options for the ROM, the one in the video uses a custom build ROM, or we can also use a programmable EPROM with a small modification on the PCB....

GUIDES

GUIDES

NEW BUILD ZX SPECTRUM - COMPOSITE VIDEO

https://youtu.be/mlmRKhcmS6k?t=671 For the composite video we are going to be using a piece from You Make Robots - https://www.youmakerobots.com/sinclair/75...

GUIDES

GUIDES

NEW BUILD ZX SPECTRUM - INSTALLING THE DIL SOCKETS AND CHIPS

https://youtu.be/mlmRKhcmS6k?t=507 Time to move onto the chips. For these we are going to first install DIL sockets, so that we can easily remove chips late...

GUIDES

GUIDES

NEW BUILD ZX SPECTRUM - INSTALLING THE DIODES

Diodes time, and like the electrolytic capacitors from before we need to take care which direction we install these. If you look at the board image below, you w...

GUIDES

GUIDES

NEW BUILD ZX SPECTRUM - INSTALLING THE CAPACITORS

Now we are done with the resistors it's time for capacitors. We will be using two types of capacitors in our build, the first type are ceramic capacitors. These...

GUIDES

GUIDES

NEW BUILD ZX SPECTRUM - INSTALLING THE RESISTORS

Installing resistors onto the new build Spectrum

GUIDES

GUIDES

ZX SPECTRUM ISSUE 3B PARTS LIST

Parts and sourcing information for Spectrum 3B Boards

GUIDES

GUIDES

BUILDING A NEW ZX SPECTRUM FROM ALL NEW PARTS

This series of posts will be documenting my quest to building a ZX Spectrum using as many still available parts as possible.