Rescue 1130: 2014 Pickup of an IBM 1130 System and More rescue1130.blogspot.com

Testing the 1130 MRAM core memory replacement on the IBM 1130 system - part 2

rescue1130.blogspot.com·33w·rescue1130.blogspot.com

Testing the 1130 MRAM core memory replacement on the IBM 1130 system - part 1

rescue1130.blogspot.com·34w·rescue1130.blogspot.com

side project - IBM 3278 terminal restoration - planning for keyboard substitution

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Side project - IBM 3278 terminal restoration - looking into the high voltage power supply

rescue1130.blogspot.com·34w·rescue1130.blogspot.com

Success with the bench testing of the 1130 MRAM memory board finally

rescue1130.blogspot.com·34w·rescue1130.blogspot.com

side project - restoration of IBM 3278 terminal - some debugging

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side project - restoration of IBM 3278 terminal - inspect, mechanical fixes, first power on

rescue1130.blogspot.com·34w·rescue1130.blogspot.com

More work on bench testing for the 1130 MRAM core memory board

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Using LT SPICE to study back feed voltages from digital inputs when power supply not operating

rescue1130.blogspot.com·34w·rescue1130.blogspot.com

Side project - restoration of IBM 3278 terminal - shipment arrives

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Bench testing of the 1130 MRAM core memory board still not successful

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Restoring IBM 2501 card reader - more focus on the stacker side of the mechanism

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1130 MRAM board - failed chips identified and replaced

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Restoring 2501 reader - linear bearing repair, still one roller bearing to resolve

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Restoration work on 2501 card reader - card path and stacker

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Side project foiled - restoration of an IBM 3278 terminal

rescue1130.blogspot.com·36w·rescue1130.blogspot.com

Side project - restoration of Sony VP-5000 U-Matic tape deck for Space Force Museum

rescue1130.blogspot.com·36w·rescue1130.blogspot.com

Side project - restoration work on Millivac MV-864A meter, part 3

rescue1130.blogspot.com·36w·rescue1130.blogspot.com

Side project - restoration work on Millivac MV-864A meter, part 2

rescue1130.blogspot.com·36w·rescue1130.blogspot.com

More Bench Testing of the 1130 MRAM memory board

rescue1130.blogspot.com·36w·rescue1130.blogspot.com

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