The 17 01 2000 numbers denote the build date: January 17, 2000 . This predated the official March 4, 2000 Japanese retail launch.
Compared to later revisions (such as the v2.00+ found in global SCPH-30000 or slimline models), the launch-day Japanese BIOS has unique technical deviations: Bios Japan V01 00 17 01 2000 Console 10000 Bin