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LPT Loopback device#6964

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OBattler merged 1 commit into
86Box:masterfrom
jriwanek-forks:lpt-loopback
Mar 23, 2026
Merged

LPT Loopback device#6964
OBattler merged 1 commit into
86Box:masterfrom
jriwanek-forks:lpt-loopback

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@jriwanek

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Summary

LPT Loopback device, ie what IBM calls "wrap plugs", works in partest, IBM Advanced diagnostics however still seems unhappy, I suspect this is due to it's request to plug in the plug during the test, which, we can't currently do in 86box, but, there's only so many ways that the plugs can be wired (that is to say, two that I'm aware of, and both are implemented)

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References

See lpt-loopback.c

@OBattler OBattler merged commit 097a7bd into 86Box:master Mar 23, 2026
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@jriwanek jriwanek deleted the lpt-loopback branch March 23, 2026 10:42
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2 participants