The PowerPC 601-based Power Mac 6100-series and its Performa variants share a common logic board (aka "Piltdown Man") with 8MBs of soldered DRAM. Using this board's two SIMM expansion slots, the total amount of DRAM useable by these computers is 72MB.Note: The 6100's High-Speed Memory Controller (HMC) requires memory SIMMs to be installed in pairs. Like other Power Macs, the 6100-series has a 64-bit internal memory path; since 72-pin SIMMs are only addressable 32-bits at a time, they must be installed in matched pairs. When purchasing DRAM upgrades for the 6100, please ensure you purchase two at the same time. For best results, SIMMs used should have common chip sets, and come from the same manufacturer.
Specifications:
Logic Board RAM 8MBs Soldered Supported SIMMs 4MB, 8MB, 16MB, 32MB Number SIMM Slots Two (2) Number VRAM Slots None L2 Cache Supported? L2 SIMM: 1MB SIMM Type 72-pin, 32-bit, 80ns or faster
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