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

Revision PCB being built for the 1627 Plotter substitute controller card

rescue1130.blogspot.com·4w·rescue1130.blogspot.com

Back to the need to load the 1130 SBR card pins the same as my oscilloscope probe

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Fighting with the SLT contacts to solder them onto my 1627 plotter controller card

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Showing redundant wirewrap connection for Sense Bit 14 entering the SBR card

rescue1130.blogspot.com·5w·rescue1130.blogspot.com

Adding functionality to 1627 Plotter controller card project

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Working on the connectors for the substitute 1627 plotter controller card

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1130 MRAM board effort continues

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Continued confusion over analog issue with the 1130 MRAM board BUT progress made

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Collecting data with logic analyzer on 1130 MRAM parity stops

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Finishing the build of the substitute controller card to hook a 1627 plotter to an IBM 1130

rescue1130.blogspot.com·6w·rescue1130.blogspot.com

Chasing down 1130 MRAM memory issues

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Odd error detected with memory, possible issue on the 1130 MRAM board

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Trying to track down the parity stop failure using my 1130 MRAM board while running IBM's core memory diagnostics

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More work building 1627 plotter controller card for IBM 1130

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Constructing the 1627 plotter controller card for the IBM 1130

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Honing the FPGA logic for the 1130 MRAM board and testing results

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Finding remaining issues on my MRAM board

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1627 Plotter controller card redesign - printed circuit board arrives from PCBWAY.COM

rescue1130.blogspot.com·8w·rescue1130.blogspot.com

The advantage of leveraging FPGA for 1130 related designs - 1627 Plotter behavior discovery

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Hoping to finish the testing of the 1130 MRAM core memory replacement board

rescue1130.blogspot.com·8w·rescue1130.blogspot.com

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