The M4 Board is a 2016 expansion card which enables WIFI access to and from CPC, Romboard and using SD-Card as mass storage. You can read more about it at http://www.spinpoint.org/cpc/m4info.txt and at https://www.spinpoint.org/2019/11/19/m4 …

2019年11月19日 · As have been drawn to my attention, many M4 board owners are asking for easier documentation than my crude instructions here. Fortunately several great people have created helpful guides, reviews and documentation already.

2016年5月6日 · Description and purpose of the “M4 board”. The M4 board, features as previously described a ST32F407 Cortex M4 MCU, connected via SPI to a ESP8266 WIFI module, and 18 GPIO’s routed via a GTL2000 voltage translator chip. It was meant to be connected to the old the Amstrad CPC (z80 based) computer via it’s expansion port.

Created by Duke, the developer of M4 board and firmware, text version of general information Additional chapters and PDF version of the Manual by Csaba Toth INTRODUCTION

2021年4月23日 · The M4 Board is not new, it is an expansion card from 2016 which enables WIFI access to and from CPC, Romboard and using an SD-Card as a mass storage device. That’s right the device first surfaced in 2016, and they are still in production today and you can still buy them.

M4 Board, z80 rom part. Once M4ROM.BIN has been assembled, it can be place in the root of the microSD card and it will be loaded instead of the ROM embedded in the firmware. Use this for your own custom builds. Information about the various commands that interface to the board can be found here: http://www.spinpoint.org/cpc/m4info.txt

IBM x3650 m4 Board 灯亮了开不了机原因是硬件故障，看一下哪个部件坏了。 具体分析如下：主板报警，排查CPU与内存是否有误，确定无误，最小化启动，确认主板问题，报修更换备件。

This manual aims to introduce the hardware and software resources of the M144Z-M4 Mini Board, including the introduction of chip resources, the introduction of experimental platform hardware resources, and the supporting resource use guide. By studying this manual, the reader will have a comprehensive understanding of the resources of the M144Z ...

2021年4月23日 · Video: Using an M4 board on an Amstrad CPC 464 Posted on 23rd April 2021 by anyweb Introduction I’ve already blogged about how you can connect to Wi-Fi using the M4 board and copy games and load ROMs, and here’s a …

Mouser offers inventory, pricing, & datasheets for ARM Cortex M4 Core Development Boards & Kits - ARM.