Timeline for Is BIOS read from the BIOS chip or copied into RAM on startup?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 18, 2011 at 19:56 | vote | accept | mring | ||
| Sep 15, 2011 at 20:15 | comment | added | barlop | @psusi Do you have some links explaining what you're talking about? CPU shadowing isn't getting me much, and how it could be configured. And when are you talking about? When did motherboards have this option? Can you point to any models of motherboard that would've had this option? | |
| Sep 15, 2011 at 17:42 | comment | added | mring | So from what I understand of what you said, upon coming to life, the CPU reads instructions from ROM, which instructions say "Copy all the startup instructions here in ROM to RAM and then set the program counter to such-and-such beginning address in RAM." Is that about right? | |
| Sep 15, 2011 at 17:34 | history | answered | psusi | CC BY-SA 3.0 |