Home▸ Forums▸ Dead Sonnet upgrade — #4▸ Dead Sonnet upgrade — #4
Post #4 by CelGen
Source ForumDead Sonnet upgrade — #4
CategoryTroubleshooting
Post DateSun, 12 Jan 2014 - 22:36
Original URLhttps://68kmla.org/bb/threads/dead-sonnet-upgrade.29634/
Post
Start there, When in doubt, test voltages! Easy way for that is remove heatsink and feel if CPUs are getting warm at all.
Click to expand...
VRM's read one bank of 5.1v and another bank of 6.2v. The heatsink gets pretty warm so the CPU is getting power in one form or another. PSU rails are a healthy 11.95 and 4.98v

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