enter diag mode spd
If your SPD unit came with an infrared remote:
Note: If that fails, try INFO → FACTORY → 0 → 0 → 0 → 0 on the numeric keypad. enter diag mode spd
The command enter diag mode spd is used to place a target device (e.g., memory module, storage controller, or diagnostic interface) into a special diagnostic mode where low-level hardware parameters, specifically those related to SPD (Serial Presence Detect) data, can be accessed or modified. If your SPD unit came with an infrared remote: