also, should i take the roms out? the simms? and, i've noticed that there's a 68-pinn simm socket beside the 30-pin ram sockets. is that for the vram? it's for expansion only, right? there's 256kb on the mb, isn't there? come to think of it there's 4mb of ram on board too, so i should troubleshoot without the ram...
Taking the ROMS out sounds like a good ides to me. Check out http://www.biwa.ne.jp/~shamada/fullmac/repairEng.html#CheckerFlag for the solution to the problem on an SE/30. They give two solutions on there (these are quoted - not my advice since I've never tried this):
1. Pull out the ROM-SIMM from the ROM-SIMM slot. Clean the ROM-SIMM and the ROM-SIMM slot with volatile cleaner or ethanol. Then connect the ROM-SIMM to the ROM-SIMM slot correctly and tightly.
2. See "Principles of memory upgrade for the SE/30" in the next section. When you install SIMMs of different memory size, install the larger ones to Bank A and the smaller ones to Bank B. Each Bank requires a set of four SIMMs of the same memory amount.
Paul
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Website: http://www.dur.ac.uk/p.e.brierley SE/30 Page: http://www.dur.ac.uk/p.e.brierley/apple.html
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