105
| Diagnostic LED Decoder |
| ||||
Post |
|
|
|
|
| |
G=Green,R=Red,A=Amber | Description | |||||
Code | ||||||
|
|
|
|
| ||
| MSB |
|
| LSB |
| |
|
|
|
|
|
| |
81h | R | Off | Off | G | Keyboard Interface Test: A | |
|
|
|
|
| keyboard reset error or stuck key | |
|
|
|
|
| was found. Issuing the keyboard | |
|
|
|
|
| controller interface test | |
|
|
|
|
| command next. | |
|
|
|
|
|
| |
82h | R | Off | G | Off | Check Stuck Key Enable | |
|
|
|
|
| Keyboard: The keyboard | |
|
|
|
|
| controller interface test | |
|
|
|
|
| completed. Writing the | |
|
|
|
|
| command byte and initializing | |
|
|
|
|
| the circular buffer next. | |
|
|
|
|
|
| |
83h | R | Off | G | G | Disable parity NMI: The | |
|
|
|
|
| command byte was written and | |
|
|
|
|
| global data initialization has | |
|
|
|
|
| completed. Checking for a | |
|
|
|
|
| locked key next. | |
|
|
|
|
|
| |
84h | R | G | Off | Off | Verify RAM Size: Checking for a | |
|
|
|
|
| memory size mismatch with | |
|
|
|
|
| CMOS RAM data next. | |
|
|
|
|
|
| |
84h | R | G | Off | Off | Check ATA Cable Type presence | |
|
|
|
|
| of ATAPI devices. | |
|
|
|
|
|
| |
84h | R | G | Off | Off | Display Keyboard Message. | |
|
|
|
|
|
| |
16h | Off | G | G | R | Display IDE mass storage devices. | |
|
|
|
|
|
| |
17h | Off | G | G | A | Display USB mass storage | |
|
|
|
|
| devices. | |
|
|
|
|
|
| |
85h | R | G | Off | G | Report the first set of POST | |
|
|
|
|
| Errors To Error Manager. | |
|
|
|
|
|
| |
86h | R | G | G | Off | Boot Password Check: The | |
|
|
|
|
| password was checked. | |
|
|
|
|
| Performing any required | |
|
|
|
|
| programming before Setup next. | |
|
|
|
|
|
| |
