Skip to content

Timing measurements

Nicolas Noble edited this page Dec 15, 2019 · 3 revisions
  • Time from !RESET going low to address bus asserted to 0: 71.32us

  • Time from !RESET going low to RD asserted to 0 for the first time: 72.55us

  • Time between address bus asserted to 0 and RD asserted to 0 the first time: 1.23us

  • Time between RD going low and BIOS chip emitting the proper byte out: 40ns

  • Time between two BIOS reads at boot time: ~550ns

  • Time between two BIOS or PIO reads after bus timings being set: ~175ns

Clone this wiki locally