Floppies and Harddisks, Software:

Floppy Controller: Servicehandbuch Teil 1, p.211

Harddisk Error codes: Servicehandbuch Teil 1, p.5

Floppy drive jumper settings: Servicehandbuch Teil 1, p.117f

SCSI port: Servicehandbuch Teil 1, p.218ff

https://dl.dropboxusercontent.com/u/55419307/Siemens%20PC-D/OMTI_5x00.pdf

Harddisk: BASF 6188 (360-4-18), Servicehandbuch Teil 1, p.29 or NEC D5126 (615-4-18), p.30; Servicehandbuch Teil 1, p.124

Harddisk controller: Servicehandbuch Teil 1, p.215ff

Some floppy images for testing:
https://dl.dropboxusercontent.com/u/55419307/Siemens%20PC-D/Siemens%20PC-D%20disks.rar

Boot process: Servicehandbuch Teil 1, p.64f (=> PCD translated p.4f)


NCR DMV- DEC Rainbow- Siemens PCD- ITT 3030-Oly People- Acorn A5000- Olivetti M20