# Links to external technical documentaion
## System Management BIOS (SMBIOS)
https://www.dmtf.org/standards/smbios
## VESA BIOS Extensions (VBE)
http://www.petesqbsite.com/sections/tutorials/tuts/vbe3.pdf
## PCI specification
https://pcisig.com/specifications
### device ids
- http://pci-ids.ucw.cz
## SDIO specification
https://www.sdcard.org/developers/overview/sdio/
### device ids
- https://github.com/systemd/systemd/blob/master/hwdb/sdio.ids
- https://wikidevi.com/wiki/Talk:Linux_Wi-Fi_device_entries
## USB specification
http://www.usb.org/developers/docs/
### device ids
- http://www.linux-usb.org/usb.ids
## SCSI specification
### SCSI commands
Google for 'SCSI Primary Commands 5 (SPC-5)' (or choose another version).
The latest draft is usually freely available but not directly downloadable.