23 May
2018
23 May
'18
5:35 a.m.
Hi,
after my Micro PDP11/83 boots up, I like to connect a Digital VT420
to the console port. This worked approx. 10 years ago. Now when I
poweron the VT420 I get no message on the screen. The f3 key doesn't
give me the configuration menu.
Is it broken? Does it have some invalid configuration in NVRAM and
can be resetted?
I tried changing brightness and contrast, no change.
Is it normal that the right LED is always on? See the picture.
https://debug.openadk.org/pdp11/vt420.jpg
I tried with and without serial connection to another system.
Thanks for any advice,
Waldemar
23 May
23 May
6:04 a.m.
when you power it on, the keyboard light should activate, the screen should
display the initialization graphic pattern, print wait on the screen and
then beep.
My 420 is a little dimmer than I'd like it to be, I assume there is a fix
for that internally (read the manuals), but if you're not even getting the
beep nor the keyboard light you have bigger issues than I.
Bill
On Wed, May 23, 2018 at 8:35 AM, Waldemar Brodkorb via cctech <
cctech at classiccmp.org> wrote:
Hi,
after my Micro PDP11/83 boots up, I like to connect a Digital VT420
to the console port. This worked approx. 10 years ago. Now when I
poweron the VT420 I get no message on the screen. The f3 key doesn't
give me the configuration menu.
Is it broken? Does it have some invalid configuration in NVRAM and
can be resetted?
I tried changing brightness and contrast, no change.
Is it normal that the right LED is always on? See the picture.
https://debug.openadk.org/pdp11/vt420.jpg
I tried with and without serial connection to another system.
Thanks for any advice,
Waldemar
2405
days inactive
2405
days old
1 comments
2 participants
participants (2)
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