#Macbook logic board replacement rev 1 or rev2 mac#
DIMMs from older Macintosh computers are notcompatible and should not be used even if they fit intothe Power Mac G3 Desktop SDRAM DIMM slots. Important: Power Mac G3 Desktop computers use SDRAMDIMMs. With the exception of the 256MB SDRAM DIMM, all other pieces sold by MacGurus are fully compliant with Apple specifications-with the additional and desirable exception of being only 1.15-inches tall: any SDRAM DIMM on our beige G3 memory page will handily fit in either the Apple G3 DT or MT without difficulty.
These DIMMs are appropriate for use in either Desktop (DT) or MiniTower (MT) versions of the Macintosh G3, and are designed to support bus speeds of 66MHz, 83MHz, and 100MHz. As the Grackle IC memory controller and PCI bridge on the Gossamer and Artemis logic boards supports only linear memory organization, no benefit accrues from installing SDRAM DIMMs in matched pairs, and DIMMs (installed in any slot and any order) are addressed as a contiguous memory array.Īlthough Apple technical documents state that the densest DIMM supported by the Gossamer and Artemis main logic boards is a dual-banked 128MB DIMM using a maximum of sixteen 64Mbit SDRAM devices, testing has demonstrated that max configurations of 768MB are feasible in these three-slot machines using three 256MB SDRAM DIMMs employing thirty-two CMOS 16Mx4 bit Synchronous-DRAM devices in a 1.15-inch high form factor. The Power Macintosh G3 Desktop (Gossamer) has three SDRAM expansion slots. We appreciate your technical corrections and comments !
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