==The HDCPM binary file==
* If [https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/usifac-iimake-your-pc-or-usb-stick-an-hdd-for-amstrad-access-dsk-and-many-more!/ USIfAC II] is used, use your PC to copy HDCPM.BIN to your USB flash disk. Then insert it to your [https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/usifac-iimake-your-pc-or-usb-stick-an-hdd-for-amstrad-access-dsk-and-many-more!/ USIfAC II] power up your Amstrad and enable the USB disk with the |USB command.
* Execute the file from the floppy disk or from your mass storage device with ''RUN"HDCPM"''. HDCPM will detect your mass storage interface and you will see the initialization message: ''CP/M+ Hard Disk boot loader v1.04'' Then it will mount any available hard disk images and boot CP/M Plus.
* [[M4 Board]] and [https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/usifac-iimake-your-pc-or-usb-stick-an-hdd-for-amstrad-access-dsk-and-many-more!/ USIfAC II] use their own FAT aware DOS so you can run HDCPM.BIN directly from their mass storage device. For all the other interfaces you will need to have a FAT aware DOS, like [https://www.cpcwiki.eu/forum/applications/cubeios-fat16fat32-rom-for-the-cpc's-with-xmass/ CubeMDOS] or [[UniDOS]], installed.<br />
==The MAKEIMG.BAS and MAKEIMG.EXE utilities==
MAKEIMG.BAS<br />