| Posted this before here. Maybe worthwhile to post again... Fig 5-10 is the Data Management Subsystem https://asd.gsfc.nasa.gov/archive/sm3a/downloads/sm3a_media_... Concerning the computers: - First they had a DF-224 flight computer and a - Science Instrument Control and Data Handling (SI C&DH) Initially DF-224 between missions got installed a coprocessor: https://asd.gsfc.nasa.gov/archive/hubble/a_pdf/news/facts/Co... During another servicing mission they replaced it with something called the
Advanced Computer with Intel 80486: https://asd.gsfc.nasa.gov/archive/hubble/a_pdf/news/facts/FS... There are some 50,000 lines of code in the C and Assembly programming languages.
https://www.nasa.gov/pdf/327688main_09_SM4_Media_Guide_rev1.... They also have a Help Desk... "Welcome to the Hubble Space Telescope Help Desk" https://stsci.service-now.com/hst?id=hst_index |