Anonymous user
"8042" PS/2 Controller: Difference between revisions
→Step 6: Perform Controller Self Test: The other steps may need to be updated to take this into account.
| [unchecked revision] | [unchecked revision] |
(→Interrupts: Do any PS/2 controllers not raise IRQs for response bytes?) |
(→Step 6: Perform Controller Self Test: The other steps may need to be updated to take this into account.) |
||
Line 351:
==== Step 6: Perform Controller Self Test ====
To test the PS/2 controller, send command 0xAA to it. Then wait for its response and check that it replied with 0x55. '''TODO:''' This may also reset the PS/2 controller to its power-on defaults, including enabling translation. (Only on very old hardware?)
==== Step 7: Determine If There Are 2 Channels ====
| |||