The PS/2 controller returns both a RAW key code and a ASCII key, the following table gives the key-code, the normal ASCII and the shifted-ASCII for each key in a standard US keyboard, sorted by key position:
| Key (US) | Code | ASCII | Shift |
|---|---|---|---|
| ESC | 76 | 1B | |
| F1 | 05 | 01 | |
| F2 | 06 | 02 | |
| F3 | 04 | 03 | |
| F4 | 0C | 04 | |
| F5 | 03 | 05 | |
| F6 | 0B | 06 | |
| F7 | 83 | 07 | |
| F8 | 0A | 08 | |
| F9 | 01 | 09 | |
| F10 | 09 | 0A | |
| F11 | 78 | 0B | |
| F12 | 07 | 0C | |
| ` ~ | 0E | 60 7E | |
| 1 ! | 16 | 31 21 | |
| 2 @ | 1E | 32 40 | |
| 3 # | 26 | 33 23 | |
| 4 $ | 25 | 34 24 | |
| 5 % | 2E | 35 25 | |
| 6 ^ | 36 | 36 5E | |
| 7 & | 3D | 37 26 | |
| 8 * | 3E | 38 2A | |
| 9 ( | 46 | 39 28 | |
| 0 ) | 45 | 30 29 | |
| - _ | 4E | 2D 5F | |
| + = | 55 | 2B 3D | |
| BackSpc | 66 | 7F | |
| Tab | 0D | 0E | |
| Q | 15 | 51 71 | |
| W | 1D | 57 77 | |
| E | 24 | 45 65 | |
| R | 2D | 52 72 | |
| T | 2C | 54 74 | |
| Y | 35 | 59 79 | |
| U | 3C | 55 75 | |
| I | 43 | 49 69 | |
| O | 44 | 4F 6F | |
| P | 4D | 50 70 | |
| [ { | 54 | 5B 7B | |
| ] } | 5B | 5D 7D | |
| \ ¦ | 5D | 5C 7C | |
| CapsLock | 58 | 16 | |
| A | 1C | 41 61 | |
| S | 1B | 53 73 | |
| D | 23 | 44 64 | |
| F | 2B | 46 66 | |
| G | 34 | 47 67 | |
| H | 33 | 48 68 | |
| J | 3B | 4A 6A | |
| K | 42 | 4B 6B | |
| L | 4B | 4C 6C | |
| ; : | 4C | 3B 3A | |
| ' " | 52 | 27 22 | |
| Enter | 5A | 0D | |
| L-Shift | 12 | - | 1 |
| Z | 1A | 5A 7A | |
| X | 22 | 58 78 | |
| C | 21 | 43 63 | |
| V | 2A | 56 76 | |
| B | 32 | 42 62 | |
| N | 31 | 4E 6E | |
| M | 3A | 4D 6D | |
| , < | 41 | 2C 3C | |
| . > | 49 | 2E 3E | |
| / ? | 4A | 2F 3F | |
| R-Shift | 59 | - | 1 |
| Control | 14 | - | 2 |
| L-Win | 9F | - | 8 |
| L-Alt | 11 | - | 4 |
| Space | 29 | 20 | |
| R-Alt | 91 | - | 4 |
| R-Win | A7 | - | 8 |
| Menu | AF | 0F | |
| R-Ctrl | 94 | - | 2 |
| PrintScr | 92 FC | 18 | |
| Alt+Print | 84 | - | |
| ScrollLck | 7E | 19 | |
| Pause | 94 77 | 17 | 2(*) |
| Ctrl+Pause | FE | 1A | |
| Insert | F0 | 12 | |
| Home | EC | 10 | |
| Page-Up | FD | 15 | |
| Delete | F1 | 13 | |
| End | E9 | 11 | |
| Page-Dwn | FA | 14 | |
| Up | F5 | 1C | |
| Left | EB | 1E | |
| Down | F2 | 1D | |
| Right | F4 | 1F | |
| NumLock | 77 | 17 | |
| Kp / | CA | 2F | |
| Kp * | 7C | 2A | |
| Kp - | 7B | 2D | |
| Kp 7 | 6C | 37 | |
| Kp 8 | 75 | 38 | |
| Kp 9 | 7D | 39 | |
| Kp 4 | 6B | 34 | |
| Kp 5 | 73 | 35 | |
| Kp 6 | 74 | 36 | |
| Kp 1 | 69 | 31 | |
| Kp 2 | 72 | 32 | |
| Kp 3 | 7A | 33 | |
| Kp 0 | 70 | 30 | |
| Kp . | 71 | 2E | |
| Kp + | 79 | 2B | |
| Kp Enter | DA | 0D | |
| Keyboard OK | AA | - |
Note: For the Pause key, it is read as ASCII $17 with Control pressed, but the Control key is unpressed immediatelly after releasing the key.