2 layers178 × 145 mm
Ultra DB X51 v1
ExploreEmbedded/8051_DevelopmentBoard
Design files and sample code for 8051 development Ultra Boards
145 parts70
2 layers43.2 × 22.9 mm
Yamashnik
svofski/yamashnik7YIS-503/IIIR MSX-2 MSX-Link hardware + software
- Size
- 43.2 × 22.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 13
- Nets
- 35
- Pads
- 81
- Tracks, vias
- 221, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 27 May 2014
- Updated
- 27 Feb 2024
Overview
Yamashnik is an open-source printed circuit board by svofski, from the svofski/yamashnik repository on GitHub. It is a 2-layer board of 43.2 × 22.9 mm with 13 parts on 35 nets, routed with 221 tracks and 0 vias.
It is built around the CP2102. Its parts include 4 resistors, 3 capacitors, 3 ICs and 3 connectors. It belongs with the retro computing and games boards of this library.
Main components
1README
README.mdyamashnik
Yamaha YIS-503/IIIR MSX-2 MSX-Link hardware and software
This package facilitates use of a remote MSX-2 workstation equipped with network module. The only known instance of such workstation is Yamaha YIS-503/IIIR that used to be deployed in Russian schools in the 1980s.
To operate, a hardware adapter is needed for the PC. It's a USB to Serial converter with optocouplers needed to connect to MSX workstations. KiCad schematics and PCB layout are provided.
The host software supports 3 different modes:
- CP/M upload: files can be uploaded to the RAM disk of builtin CP/M into remote machine
- BASIC send: BASIC and ROM files can be transferred over network to remote machines
- A special version of MSX-DOS can be deployed to the remote machine. Its transfers file system requests to the host machine, which then becomes a file server. Disk based MSX-DOS software can be used using this mode. MSX-DOS files MSXDOS.SYS and COMMAND.COM are not included in this package.
Compatibility list
- Turbo Pascal 3.0
- Zork
PACKAGE CONTENTS
kicad/USB to MSXNET adapter schematic + PCB layout for home makingsw/spyvspy/software that emulates server software and supports various boot protocols
HOW TO BUILD
MSX-Link Hardware
If you need help, ask someone else to do it for you. There are RS-232 based variants of the adapter too. All through-hole version here and a breadboard version here.
Software
You need Linux or Darwin/OSX and a sane build environment. wget utility is needed to fetch z80asm from savannah.
It should work in Windows with some POSIX-emulation layer but it's not proven.
- check out or download the source
- cd yamashnik/sw
- type make
- if all is well, msxnet and remote bootstrap files are in yamashnik/sw/spyvspy/build subdirectory
HOW TO USE
[ ] todo
LICENSE
This package is distributed as is. You can do whatever you want with it as long as you give credit to the authors.
- Viacheslav Slavinsky https://caglrc.cc
- Based on research and software by Tim Tashpulatov http://sensi.org/~tnt23/msx
Parts
13| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 0.1 | SM0603 | C1, C2, C3 |
| 2 | 11K | SM0805 | R2, R3 |
| 1 | 11K | SM1206 | R4 |
| 1 | 220 | SM0805 | R1 |
| 1 | 6N137 | DIP-8__300 | U1 |
| 1 | 6N138 | DIP-8__300 | U2 |
| 1 | CONN_4 | PIN_ARRAY_4x1 | P2 |
| 1 | CONN_5 | PIN_ARRAY_5x1 | P1 |
| 1 | CP2102 | QFN28 | U3 |
| 1 | USB_AM_PCB | USBAP_1P | J1 |
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Questions
How big is the Yamashnik PCB?
It measures 43.2 × 22.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Yamashnik use?
13 parts, built around the CP2102. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Yamashnik KiCad files?
From the svofski/yamashnik repository on GitHub, at the commit this page was made from: the board is kicad/yamashnik.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Yamashnik design in my own project?
Its repository states no licence, so its author keeps all rights: ask svofski before reusing the design.