Home▸ Forums▸ 68kMLA▸ Unhappy Macintosh 128k, Thick vertical lines — #17
Post #17 by Macintosh128k
Source Forum68kMLA
CategoryTroubleshooting
Post DateThu, 17 Mar 2011 - 20:58
Original URLhttps://68kmla.org/bb/threads/unhappy-macintosh-128k-thick-vertical-lines.22538/
Post
What exactly does this mean? DRAMs are DRAMs. The early DRAMs were Hitachi 4864, and the later large Apple branded chips were 4264 as well. Apple used DRAM from many sources. Larry Pina even indicates 4164 works in the 128K. The presence of an Apple silkscreen only indicates Apple got a deal on a batch of it, not any kind of special specs.
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I was referring to the 200ns access time of the 4264 chips Apple used, other computers at the time used different access time DRAMs,

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