PiStorm Emu68 Format Drives (Amiga)
Once you have the Emu68 installed on an SD card with the type 76 partitions, you will need to format it a little differently than a standard IDE hard drive.
Boot up into any Workbench Install disk, like 2.04 or 3.1.
Go to the HDTools > HDToolBox file on the disk, but do not double-click it. Single left-click to select it, then hold right-click and navigate to the top menu and select Icons > Information... or press A+I.
Edit the line SCSI_DEVICE_NAME=scsi.device to SCSI_DEVICE_NAME=brcm-sdhc.device then click Save.
- Pi Zero2, Pi3A+, Pi3B, Pi3B+ should use brcm-sdhc.device
- Pi 4B+ and CM4 should use brcm-emmc.device
This configures the HDToolBox to look for the partitions we made on the SD card.
From this point on format the drives in the same way you would for any other install. Typically, this is a 200MB partition for the OS, and the rest for files.
Do not format the SCSI 0 device (that is the 200MB FAT32 Emu68 drive).
Select the other drives (in our example we only made one more), and click Change Drive Type.
The list should be empty. Click Define New > Read Configuration > Continue then Ok twice.
If you get an error Cannot read from drive definitions! this is a corrupt file in the HDToolBox folder on the drive/floppy.
Close out, go back to the folder with the HDToolBox file in, press A + Shift + + to Show All Files and then delete the folder drive definitions.
Now the drive is configured as the correct type and size, it is time to make some partitions.
With the new drive selected, click Partition Drive. By default it shows 2 partitions split evenly.
Drag the middle arrow to the left to set the first partition to around 200MB. We will install the Workbench here.
Check Advanced Options and change the name from TDH0 to DH0.
Now look at the bar at the top. The black is the current partition we have selected and is 200MB. The middle will now be empty, and the right side is a crosshatch pattern.
This crosshatch is the second partition. Click it and drag it all the way to the left so it touches the first black partition.
Now drag the arrow all the way to the left (or as big as you want the partition). If using Workbench 3.1 onwards you can have as large a partition as you like, but for best compatibility keep them under 4GB per partition.
Before clicking New Parition make sure you already have a previous one selected, then after clicking New Partition click in the Unused blank area.
Rename this second partition and future ones to DH1, DH2 and so on.
With all that done, click Save Changes to Drive then Exit. If it doesn't prompt you, restart with Ctrl + A + Ato restart.
Then the new blank unformatted partitions should show in Workbench.
We now have the drives but they are not formatted. The last step is to select each drive that appears in Workbench as something like DH0:Uninitialized with the Format tool.
Left-click one of the drive icons, then hold right-click, and go to Icons > Format Disk.... Give the partition a name, typically OS, WORK, GAMES or similar.
Most installers and applications expect a System directory (will be auto discovered as its the booted partition), and a Work partition. So, it is advised to make at least one partition labelled Work.
Click Quick Format to finish the job.
Once done you should be left with icons on your Workbench for each partition.
The final step will be to install the Workbench you would like onto the first partition so it auto-boots from that.
