Got kind of a weird one. Board came in from customer stating it "turns off after ~20 minutes". Thinking it would be the dreaded PCH issue with these, I got to testing it, and noticed something odd. It cuts off during any of the sleep/wake power tests in ASD. So...
1. Board cut off during ASD, and when I checked where it cut off (recorded it), it cut off during the SD Card Reader sleep/wake test.
2. Re-ran ASD with SD Card Reader unchecked, and the board cuts off during the Product Test sleep/wake test.
3. Re-ran ASD with SD Card Reader and Products tests unchecked. Board then cuts off during the Thunderbolt sleep/wake test, etc.
4. SD slot and TBT both work fine.
5. I ran Heaven on this board for 90 minutes and it did not stutter or cut off at all.
6. Tested in another test case, same issue.
7. Tested using multiple installs of ASD, to be sure. Same issue.
8. EDIT: Just realized when I shut the lid, the unit starts to sleep, and after about 10 seconds (when it would normally hit deep sleep and pulse the light), the optical drive cycled and the unit restarted.
9. SMC area looks fine, no damaged/missing components. SMC original, not refurb or replaced (original factory corner-gel in place matches age of board), so I'll assume it's the original/correct SMC.
Is the SMC in charge of all sleep/wake functions for the ASD tests above? I'm wondering if the SMC is on the way out, despite passing all other tests but those, but wanted to check in before replacing it. My second guess would be TPS-related. Thanks in advance for all the help, I really appreciate it.
1. Board cut off during ASD, and when I checked where it cut off (recorded it), it cut off during the SD Card Reader sleep/wake test.
2. Re-ran ASD with SD Card Reader unchecked, and the board cuts off during the Product Test sleep/wake test.
3. Re-ran ASD with SD Card Reader and Products tests unchecked. Board then cuts off during the Thunderbolt sleep/wake test, etc.
4. SD slot and TBT both work fine.
5. I ran Heaven on this board for 90 minutes and it did not stutter or cut off at all.
6. Tested in another test case, same issue.
7. Tested using multiple installs of ASD, to be sure. Same issue.
8. EDIT: Just realized when I shut the lid, the unit starts to sleep, and after about 10 seconds (when it would normally hit deep sleep and pulse the light), the optical drive cycled and the unit restarted.
9. SMC area looks fine, no damaged/missing components. SMC original, not refurb or replaced (original factory corner-gel in place matches age of board), so I'll assume it's the original/correct SMC.
Is the SMC in charge of all sleep/wake functions for the ASD tests above? I'm wondering if the SMC is on the way out, despite passing all other tests but those, but wanted to check in before replacing it. My second guess would be TPS-related. Thanks in advance for all the help, I really appreciate it.
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