* Dual YE DATA YD-645C 1545C A Floppy drives has been replaced with fully customised [https://gotekonrmnimbuspc38620.blogspot.com/2021/01/gotek-floppy-emulator-on-rm-nimbus-pc.html GOTEK Floppy Emulator] including Rotary Encoder + knob, 0.91" White OLED, Piezo sounder for authentic floppy drive noises from [https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2334524.m570.l1313&_nkw=Gotek+Floppy+Emulator&_sacat=0&LH_TitleDesc=0&_odkw=gotek+Floppy+Emulator&_osacat=0&_sop=15 eBay] as Drive A (S0) & Black Facial [https://www.ebay.co.uk/sch/i.html?_from=R40&_nkw=TEAC+FD-235F&_sacat=0&LH_PrefLoc=2&_sop=15 TEAC FD-235F] as Drive B (DS1) [https://hxc2001.com/docs/gotek-floppy-emulator-hxc-firmware/pages/firmware-settings.html#_hxc_floppy_emulator_firmware-settings settings]
* [https://usingscsi2sdonrmnimbuspc386usingscsi2sdonrmnimbus.blogspot.com/20212019/0209/using-scsi2sd-on-nimbus-pc-286-386blog-mpost.html SCSI2SD] using maximum [https://drive.google.com/file/d/1oIHqz1DNLxkfsrpTmP9fPTivaL7swc2s1SFNSB_UwxMPa9lyPCJJkMInNmFK4y1tP/view?usp=sharing 450MB 40MB configuration setting] to get a total capacity of 1.8GB 120MB in 4 HDD three hard drive partitions - C: D: & F: out of 160MB on 2GB Micro-SD card as HDD replacement
* [https://www.ebay.co.uk/itm/324721460683 RM Nimbus AUX Serial Port to PC 25 Way D-Sub RS232 Cable - 2 Metres] for [https://rmpc186rs422.blogspot.com/ RM Nimbus RS422 Communication With Windows PC]