# Stegosaur MSX PPI & Keyboard for RCBus/RC2014

A full size keyboard kit for your RC2014/RCBus system giving your kit that perfect clicky keyboard.

- **Seller:** [Dino Boards](https://lectronz.com/stores/dino-boards), Melbourne, Victoria, Australia
- **Price:** $39.25 (USD, before shipping and taxes)
- **Availability:** In stock
- **Categories:** Retrocomputing
- **Product page:** https://lectronz.com/products/stegosaur-msx-ppi-keyboard-for-rcbus-rc2014

## Options

**Tested 82C55 PPI Chip**

- I will source my own
- Tested 82C55 PPI Chip [Add $3.00] (1 left)

**MSX Slot Selector**

- No, thanks, I don't need this
- Include MSX Slot Select [Add $3.00] (1 left)

**M1 Wait State Generator**

- No, thanks, I dont need this
- PPI M1 Wait [Add $1.25]

## Links

- [Documentation](https://www.dinoboards.com.au/stegosaur/ppi-and-keyboard/)

## Images

![Stegosaur MSX PPI & Keyboard for RCBus/RC2014](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDYxNTcsInB1ciI6ImJsb2JfaWQifX0=--de26526285ea529703155a027bdb5e682ead3191/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/ppi-and-key-closeup.jpg)
![Stegosaur MSX PPI & Keyboard for RCBus/RC2014](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDYxNjUsInB1ciI6ImJsb2JfaWQifX0=--72738a584cdc741ec9add7aa8d8c240cf125bc0f/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/ppi-and-key-connected.jpg)
![Stegosaur MSX PPI & Keyboard for RCBus/RC2014](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDYxNjksInB1ciI6ImJsb2JfaWQifX0=--648ebf46de2cbbef315f5911f84373667129e6f2/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/ppi-profile.jpg)
![Stegosaur MSX PPI & Keyboard for RCBus/RC2014](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDYxNjEsInB1ciI6ImJsb2JfaWQifX0=--008f854de6cbab9ad25b9a8a3a84a729bfcbec9d/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/key-pcb-front-1.4.jpg)
![Stegosaur MSX PPI & Keyboard for RCBus/RC2014](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDYxNzcsInB1ciI6ImJsb2JfaWQifX0=--cca4d80f952894811fbd57c564f796c61b7cb7f1/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/key-pcb-assembled-1.4.jpg)
![Stegosaur MSX PPI & Keyboard for RCBus/RC2014](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDYxOTcsInB1ciI6ImJsb2JfaWQifX0=--1bffd80b6866b1555d6b0ac141d7d337a1864e09/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/ppi-pcb-front.jpg)
![Stegosaur MSX PPI & Keyboard for RCBus/RC2014](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDYyMDUsInB1ciI6ImJsb2JfaWQifX0=--9d09f39a58c2c41ac89f1673efe359ebe8fdafe8/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/ppi-installed.jpg)
![Stegosaur MSX PPI & Keyboard for RCBus/RC2014](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDYxODUsInB1ciI6ImJsb2JfaWQifX0=--f78b5b0b6301e5d613bcc861b2e3a39c791baf9b/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/ppi-key-base-kit.jpg)
![Stegosaur MSX PPI & Keyboard for RCBus/RC2014](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDYxODksInB1ciI6ImJsb2JfaWQifX0=--4edeec6f7fa5ffb499352309ac6d1298a66ef6e6/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/ppi-82c55-part.jpg)
![Stegosaur MSX PPI & Keyboard for RCBus/RC2014](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDYxOTMsInB1ciI6ImJsb2JfaWQifX0=--5b8b960126e785f6084f66612e9c9f75da50234a/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/msx-slot-parts.jpg)

## Description

This kit, once assembled, will enable you to use a proper keyboard with your RC2014 or RCBus system.  For a full MSX build, this is the keyboard you need to control your hand built retro computer.

The Stegosaur Green keyboard is an similar to the Yellow MSX keyboard kit - detailed differences below.  The main difference, aside from the colour, is the PPI module that plugs into your RC2014/RCBus backplane is a small more conventional height PCB.

### Key Features
* Power, caps-lock, and code indicator LEDs.
* Designed for cherry compatible 5 pin switches.
* PPI Module designed around the 82C55 chip, a modern CMOS version of the original Intel 8255 Programmable Peripheral Interface chip.
* Provides the MSX slot selector lines for the MSX ROM/RAM board.
* Optional MSX M1 Wait state generator.

### Key difference with Yellow PPI/Keyboard

| Description           | Yellow MSX Version                          | Green Stegosaur Version                                       |
| --------------------- | ------------------------------------------- | ------------------------------------------------------------- |
| PPI PCB Height        | 8.0 cm                                      | 5.5 cm                                                        |
| IDC Connector         | with locking clamps                         | without locking clamps                                        |
| Slot Selector         | Included                                    | Sold separately                                               |
| M1 Wait Generator     | Included                                    | Sold separately                                               |
| 82C55 PPI Chiip       | Included                                    | Sold separately                                               |
| Backplane Requirement | 80 Way RCBus or RC2014 via external Jumpers | Wired permanently to 80 Way RCBus 'User' lanes (37-40, 77-80) |
| Colour                | Yellow                                      | Green                                                         |

### What's included

This project includes both the keyboard kit and the PPI interface board kit.

* Keyboard PCB and components (passive components, IDC socket, and ICs).
* PPI PCB and components (passive components, IDC socket, and ICs with a tested 82C55 chip optionally included).
* The MSX Slot Selector option is only required for MSX configurations.
* The optional M1 Wait State Generator is only needed for MSX configuration with a stock Z80 CPU  The Stegosaur and Yellow Turbo CPUs modules already include the M1 Wait State Generator.

> **Please note, this kit does not include switches and keycaps.  You can choose to source these yourself, or purchase the [Keyboard caps here](https://lectronz.com/products/keycap-set-for-msx-rc2014-keyboard) and [compatible switches here](https://lectronz.com/products/switches-and-stabilizers-for-msx-rc2014-keyboard)**

### What else do I need?

This module can work in a standard RC2014/RCBus RomWBW bootable system.

It is required for a MSX configured system.

### Product Details

For full product description, construction notes and other help – please see the main guide page at:  https://www.dinoboards.com.au/stegosaur/ppi-and-keyboard/

## Shipping policy

Normally shipped next working day, however during busy periods this may extend slightly.

It is your responsibility to pay any import duty or other taxes where appropriate, unless specified below:

For EU locations:
* Please see Lectronz's Terms and Condititions (https://lectronz.com/pages/terms_and_conditions)
* For order 150 EUR or over,  it will be your responsibility to pay any import duty or other taxes where appropriate.

For USA:
A 10% Tariff tax is applied at checkout.
Tariffs are prepaid by me prior to shipping.  You will not incur any additional tariff charges, upon receipt of your package.

For Australia:
Registered for GST.  Prices are listed exclusive of GST.  GST of 10% is applied at checkout.
