Pi 4 Model B Rev 1.1 - Test Points¶
Board Image¶
Readings¶
Powered- These measurements were taken with the board plugged in/powered on, and nothing else plugged in including no SD Card insertedOS Idle- These measurements were taken with the board booted into Raspberry PI OS. These tests are different from Power Only in that the SD card is inserted and we have booted from it.Resistance- These measurements were taken without power. This is a measurement of resistance to ground from the given test point.
| Test Point | Zone | Powered | OS Idle | Resistance |
|---|---|---|---|---|
| TP1 | 6 | 5.43v | 5.43v | 1.26K Ω |
| TP2 | 2 | 5.43v | 5.43v | 1.26K Ω |
| TP3 | 4 | 5.43v | 5.43v | 1.25K Ω |
| TP4 | 5 | 0v | 3.32v | 77.8K Ω |
| TP5 | 5 | 3.32v | 3.32v | 3.29K Ω |
| TP6 | 4 | 0v | 0v | 46.5K Ω |
| TP7 | 6 | 0v | 0v | 0.2 Ω |
| TP8 | 6 | 0v | 0v | 0.2 Ω |
| TP9 | 5 | 0v | 0v | 0.0 Ω |
| TP10 | 4 | 0v | 0v | 46.9K Ω |
| TP11 | 6 | 3.32v | 3.32v | 1.49K Ω |
| TP12 | 6 | 0v | 0v | 0.2 Ω |
| TP13 | 6 | 1.80v | 1.80v | 8.9K Ω |
| TP14 | 6 | 1.10v | 1.10v | 9 Ω |
| TP15 | 6 | 1.00v | 0.84v | 34 Ω |
| TP16 | ||||
| TP17 | 4 | 0v | 0v | 0.0 Ω |
| TP18 | 4 | 0v | 0v | 46.6K Ω |
| TP19 | 4 | 0v | 0v | 46.9K Ω |
| TP20 | 4 | 0v | 0v | 0.2 Ω |
| TP21 | ||||
| TP22 | 4 | 0v | 0v | |
| TP23 | 4 | 0v | 0v | 1.8K Ω |
| TP24 | 4 | 0.51v | 0.51v | 75.3 Ω |
| TP25 | ||||
| TP26 | 1 | 3.32v | 3.32v | 20.9M Ω |
| TP27 | 1 | 3.32v | 3.32v | 26.1M Ω |
| TP28 | ||||
| TP29 | ||||
| TP30 | ||||
| TP31 | ||||
| TP32 | ||||
| TP33 | ||||
| TP34 | 4 | 1.04v | 1.04v | OL |