Thursday, November 9, 2017

Built PC side of the HPdrive disk emulator, watched Ken get the ethernet tool working well

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HP 1000 SYSTEM RESTORATION HPdriver disk emulation facility setup I picked up a Windows 10 based desktop system, this time with room to ...
Wednesday, November 8, 2017

Working on HPdrive emulation, 2262 terminal connector, 7906 alignment plan

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CHM 1401 RESTORATION TEAM I repaired the 001 manual keypunch, after a linkage for the space key had fallen off somehow. It was good that w...
Tuesday, November 7, 2017

Various HP 1000 restoration activities

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HP 1000 SYSTEM RESTORATION HPdriver disk emulation facility setup The post office did find my package this morning, one clean National...
Monday, November 6, 2017

Working on 7906, disk emulator alternative, and a discussion of my nonstandard board configuration

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HP 1000 SYSTEM RESTORATION 7906 disc drive I did some additional cleaning of the top disk head, using my 99% isopropyl alcohol and Kimwi...
Sunday, November 5, 2017

Work on 7906 disc crashed head, preparing to wire 2262A terminal cable

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HP 1000 RESTORATON 7906 disc drive I removed the top head from the drive, which had suffered the head crash that dug the groove into...

Odd disk drive failure, more debugging of ethernet tool and restoration of 7970B tape drive

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ALTO DISK DRIVE RESTORATION We met today to continue repairing the Diablo disk drives in order to return to archiving PARC cartridges. A...
Thursday, November 2, 2017

7970 tape drive run through all diagnostics, plus a switch issue fixed

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HP 1000 RESTORATION 7970 tape drive diagnostics and repair I ran the diagnostics for the tape drives and controller, validating timing...