VAX 11/730 quickie
Jerome H. Fine
jhfinedp3k at compsys.to
Sun Feb 21 08:43:36 CST 2016
>On Sunday, February 21st, 2016 at 23:57:22 +1300, Mike Ross wrote:
>Well I haven't figured out exactly what the problem was but I'm
>embarrassed to report it was indeed serial comms finger trouble. I
>could have sworn that VT220 was fine and the cable wired correctly...
>but to cover all bases I tried it with a USB serial port on the Mac
>that sits in the lab.
>OK next is console tape... I have around 100 TU58 tapes. On close
>examination the collection contained ONE console tape... for an 11/750
>of course! So I'll be reaching for an emulator. Looking back at a long
>thread on vintage-computers last year it appears that tu58em had
>timing issues and was unusable on 11/730 but is now patched and
>working correctly... watch this space!
>Thanks for all the pointers.
>>On Sun, Feb 21, 2016 at 1:09 PM, js at cimmeri.com <js at cimmeri.com> wrote:
>>>On 2/20/2016 7:03 PM, Mike Ross wrote:
>>>I might just try all switches *closed* on the basis that maybe it was
>>>wired wrong but... no doesn't make sense; the system would have been
>>>operational when decommissioned; the switch settings as I received it
>>>must be valid...
>>Make sure the switches are actually working. Often, they're not.
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