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GeneralRe: An age test??? Pin
Thornik11-Jan-19 3:49
Thornik11-Jan-19 3:49 
GeneralRe: An age test??? Pin
kalberts11-Jan-19 5:23
kalberts11-Jan-19 5:23 
GeneralRe: An age test??? Pin
kalberts11-Jan-19 5:30
kalberts11-Jan-19 5:30 
AnswerRe: An age test??? Pin
Thornik11-Jan-19 3:47
Thornik11-Jan-19 3:47 
AnswerRe: An age test??? Pin
agolddog11-Jan-19 4:07
agolddog11-Jan-19 4:07 
AnswerRe: An age test??? Pin
Matt McGuire11-Jan-19 4:10
professionalMatt McGuire11-Jan-19 4:10 
AnswerRe: An age test??? Pin
darktrick54411-Jan-19 5:00
darktrick54411-Jan-19 5:00 
GeneralRe: An age test??? Pin
kalberts11-Jan-19 5:58
kalberts11-Jan-19 5:58 
We had a DOS application, DBase II based, so large that the cover had to be taken off machine for it to fit in...

You start the program. It crashes. After trying "everything", you give up and send the PC to the IT guys for hardware debugging. They take off the cover, get the probes in place, and everything works fine. They return the PC to the user: It fails. Back in the workshop, it works fine. After several round trips it was discovered that it works when the cover is off, fails when the cover is on. It took a few more rounds before the true explanation was found.

In those days, many tower cabinet covers were shaped like an (upside down) U, running in tracks that forced you to pull it backwards all the way to get it off. This was a deliberate design to force you to unplug the power cord before opening the machine. You unplugged not just the power cord, but all sorts of cables - screen, printer, keyboard and whathaveyou. That's the clue:

Windows 2.x had arrived, but most programs were still keyboard based. So was this DBaseII application. The IT guys, when testing the machine, opened it, plugged in power, screen and keyboard, but not the mouse - it wasn't needed for testing. The PC booted, the mouse driver initialized, found no mouse to talk to, so it unloaded itself, releasing a couple hundred bytes of RAM.

Back at the office, everything including the mouse was plugged back in. The mouse driver did not release its space. When loading the DBase-application, there was no check, no error report that RAM size is too small, the program won't fit! Maybe an error return was genereated deep inside, but it never reached the user before the system crash was a fact.

When the real problem - insufficient RAM - was identified, memory could be tweaked in other ways, to allow the mouse to remain plugged while this application was running. But for a couple of weeks, it was a great mystery to us how it could be that you had to remove the cover to make space for the program.
GeneralRe: An age test??? Pin
Jeff Buxton11-Jan-19 7:41
Jeff Buxton11-Jan-19 7:41 
GeneralRe: An age test??? Pin
darktrick54411-Jan-19 9:49
darktrick54411-Jan-19 9:49 
AnswerRe: An age test??? Pin
Member 844862211-Jan-19 5:26
Member 844862211-Jan-19 5:26 
GeneralRe: An age test??? Pin
Leng Vang11-Jan-19 6:26
Leng Vang11-Jan-19 6:26 
AnswerRe: An age test??? Pin
sasadler11-Jan-19 5:53
sasadler11-Jan-19 5:53 
GeneralRe: An age test??? Pin
kalberts11-Jan-19 6:20
kalberts11-Jan-19 6:20 
AnswerRe: An age test??? Pin
M!chael..Luna11-Jan-19 8:12
M!chael..Luna11-Jan-19 8:12 
AnswerRe: An age test??? Pin
obermd11-Jan-19 13:19
obermd11-Jan-19 13:19 
RantJIRA ! Pin
Eytukan10-Jan-19 2:33
Eytukan10-Jan-19 2:33 
GeneralRe: JIRA ! Pin
glennPattonWork310-Jan-19 2:42
professionalglennPattonWork310-Jan-19 2:42 
GeneralRe: JIRA ! Pin
Eddy Vluggen10-Jan-19 2:50
professionalEddy Vluggen10-Jan-19 2:50 
GeneralRe: JIRA ! Pin
glennPattonWork310-Jan-19 3:12
professionalglennPattonWork310-Jan-19 3:12 
GeneralRe: JIRA ! Pin
Pete O'Hanlon10-Jan-19 2:54
mvePete O'Hanlon10-Jan-19 2:54 
GeneralRe: JIRA ! Pin
Eytukan10-Jan-19 4:08
Eytukan10-Jan-19 4:08 
GeneralRe: JIRA ! Pin
RickZeeland10-Jan-19 3:25
mveRickZeeland10-Jan-19 3:25 
Rantdotnet publish and post-build events Pin
Marc Clifton10-Jan-19 2:13
mvaMarc Clifton10-Jan-19 2:13 
GeneralRe: dotnet publish and post-build events Pin
Pete O'Hanlon10-Jan-19 2:28
mvePete O'Hanlon10-Jan-19 2:28 

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