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  1. M

    Reconnaissance: Modern Diagnostics for your Classic Mac

    This app is AMAZING! Using it now with an SE/30 and it has helped me more in the past day than all the scoping and continuity testing for the 2 weeks prior. THANK YOU!!!
  2. M

    Macintosh SE/30 Vertical & Horizontal Bars on Display "Simasima" Repair Guide

    Hey @GreenBar0n - I'm troubleshooting a simasimac se/30 and can confirm your ROM SIMM findings when performing the ROM address walk. The guide is off -- page 46 states that ROM (pin) 4 should be 2.62 MHz but it's not, it's 1.31 MHz and then the subsequent pins are divided by half as you state...
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