Archive No. 127
PowerMac G4 Cube
1GHz Sonnet CPU Upgrade
Circa 2000RareOriginal BoxFully Operational
The Story
PowerMac G4 Cube 1GHz Sonnet CPU Upgrade
Setup with 17" Apple Studio Display in bonus room Box is in workshop attic Installed 128GB SSD
and fan inside. Recapped and beefed up mosfets on VRM board, then installed 1GHz Sonnet G4 CPU.
Archival Status: Fully Operational.
Specifications
Technical Blueprint
Ref: M7886
Processor
PowerPC G4 1GHz Sonnet
Memory
1.5GB PC100 SDRAM (3.3v)
Storage
128GB SSD, DVD-ROM
Graphics
ATI Radeon 7500 (RV200)
Operating System
10.4.11, 9.2.2
Hardware Notes
Original box included · PRAM battery removed · Wi-Fi enabled
Gallery
Detailed Observations
AI-generated product image
Restoration Log
Work Done
Every repair, recap, and restoration performed on this machine — documented as the work was completed.
2026
Recapped VRM
Also added additional mosfets and added heatsink on them.