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This is a placeholder to document testing done with ACE3 controllers on Macbooks, and add knowledge tidbits as they trickle down. Once we understand these controllers, the page will be reorganized as a proper explanation on the ACE3. | This is a placeholder to document testing done with ACE3 controllers on Macbooks, and add knowledge tidbits as they trickle down. Once we understand these controllers, the page will be reorganized as a proper explanation on the ACE3. | ||
== Testing on A3113 == | == Testing on a working A3113 == | ||
Types of controllers encountered so far: SN25A23P. | Types of controllers encountered so far: SN25A23P. | ||
=== Test 1 : Swapping UF400 and UF500 === | ACE configuration: Controllers for receptacles are in Master - Slave configuration, Magsafe controller is Master. | ||
=== Test 1: Swapping UF400 and UF500 === | |||
Test date: 2025.09.26 | Test date: 2025.09.26 | ||
Description: Just swapping the two controllers, from that board. | |||
OS: Sonoma. | OS: Sonoma. | ||
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DFU Restore (Tahoe) : Ok. | DFU Restore (Tahoe) : Ok. | ||
Display output: Ok, both | Display output: Ok, both receptacles. | ||
Charging: Ok. | Charging: Ok (both receptacles + Magsafe). | ||
Data (Thunderbolt): Ok. | Data (Thunderbolt): Ok (both receptacles). | ||
Conclusion: Nothing abnormal, it looks like both are interchangeable. | Conclusion: Nothing abnormal, it looks like both are interchangeable. | ||
=== Test 2: Replacing UF400 === | |||
Test date: 2025.09.26 | |||
Description: Replacing UF400 by an SN25A23P bought new (Mobilesentrix). | |||
OS: Tahoe. | |||
DFU Restore (Tahoe): | |||
Display output: Ok, both receptacles. | |||
Charging: Ok (both receptacles + Magsafe). | |||
Data (Thunderbolt): Ok (both receptacles). | |||
Conclusion: Nothing abnormal, it looks like UF400 can be replaced by an SN25A23P advertised as "new". | |||
Revision as of 12:39, 26 September 2025
| Apple ACE3 Controllers | |
|---|---|
| Manufacturer | Apple |
| Code name | ACE3 |
| Release date | 2023 |
| Device type | Laptop |
This is a placeholder to document testing done with ACE3 controllers on Macbooks, and add knowledge tidbits as they trickle down. Once we understand these controllers, the page will be reorganized as a proper explanation on the ACE3.
Testing on a working A3113
Types of controllers encountered so far: SN25A23P.
ACE configuration: Controllers for receptacles are in Master - Slave configuration, Magsafe controller is Master.
Test 1: Swapping UF400 and UF500
Test date: 2025.09.26
Description: Just swapping the two controllers, from that board.
OS: Sonoma.
The device seems to work right away, and normally.
DFU Restore (Tahoe) : Ok.
Display output: Ok, both receptacles.
Charging: Ok (both receptacles + Magsafe).
Data (Thunderbolt): Ok (both receptacles).
Conclusion: Nothing abnormal, it looks like both are interchangeable.
Test 2: Replacing UF400
Test date: 2025.09.26
Description: Replacing UF400 by an SN25A23P bought new (Mobilesentrix).
OS: Tahoe.
DFU Restore (Tahoe):
Display output: Ok, both receptacles.
Charging: Ok (both receptacles + Magsafe).
Data (Thunderbolt): Ok (both receptacles).
Conclusion: Nothing abnormal, it looks like UF400 can be replaced by an SN25A23P advertised as "new".