Imported from GitHub: alvaroalea/QL_Rom_Cartridge · commit 096301a · license CERN-OHL-S-2.0

Description

Schematic, PCB and other stuff to make ROM Cartridge for use with Sinclair QL Computer

README

QL_Rom_Cartridge

Schematic, PCB and other stuff to make ROM Cartridge for use with Sinclair QL Computer

(C) 2022 Alvaro Alea Fdz.

License under: CERN Open Hardware Licence Version 2 - Strongly Reciprocal

https://ohwr.org/cern_ohl_s_v2.txt

Remenber that when using my jerber files with JLCPCB you shall mark the option to specify the Order Number (no cost) to avoid the text JLCJLCJLCJLC in the skilscreen.

Folder: Original

This folder contain the schematic of the original Sinclair cartridge as far as i can get from pictures from internet.

It also contains 3D pieces to do vacum form of the case

STATUS

• Schematic - Working, tested and match the original, Thank You Chr$.
• Case - Design, Non tested

Folder: Short

NOT TESTED, SHOULD WORK

This version need a 16Kb eprom, and is intended as a replacement of Toolkit II cartridge an others.

Folder: full_rom

NOT TESTED, NO IDEA IF WORK

This version need a 64Kb eprom, and is intended to replace the internal ROM of the QL.

Is very important to remove the 2 ROM chips from the QL before use.

Be aware that this lock the rom cartridge, and the QL will not work without it.

Folder: 8full_rom

NOT TESTED, NO IDEA IF WORK

The 8full_rom is a version of full_rom with 3 switch to allow 8 diferent version of the ROM of the QL.

Is very important to remove the 2 ROM chips from the QL before use.

Be aware that this lock the rom cartridge, and the QL will not work without it.