5 Jun
2002
5 Jun
'02
10:42 p.m.
Greetings;
Just picked up a handful of VT525 terminals, and have a couple of
questions. (can't find a darn hardware manual online for this thing)
1) What is the front opening 'cartridge slot' for?
2) anyone have any DEC LK461 keyboards available?
Thanks;
-jim
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The Computer Garage - http://www.rdrop.com/~jimw
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11 Jun
11 Jun
1:20 p.m.
James Willing wrote:
Greetings;
Just picked up a handful of VT525 terminals, and have a couple of
questions. (can't find a darn hardware manual online for this
thing)
Some of the VT500 manuals are still available from HP/Compaq, but the
catalog[1] doesn't list hardware manuals for them.
1) What is the front opening 'cartridge slot'
for?
At a guess, it's either for the EZ-SetUp cartridge, which enabled admins
to configure terminals without wading through the set-up screens, or it
could be for cartridges for other emulations. I know that other
emulations, including IBM terminals, were planned, but I don't know
whether they shipped.
[1] http://www.compaq.com/CAS-Catalog/das04ahm.html
- Paul
1:49 p.m.
If only I'd looked at the manual before answering the first time ...
James Willing wrote:
Just picked up a handful of VT525 terminals, and have a couple of
questions.
1) What is the front opening 'cartridge slot' for?
The VT520/VT525 Video Terminal Programmer Information says:
--quote--
All VT520 models include support for a 4 Mbit (512 KByte) ROM cartridge
option. The base unit comes with a factory-installed ROM. The ROM
cartridge connector is protected by a ROM cartridge cover. To install
new code, the ROM cartridge cover is removed, and a ROM cartridge with
attached cover is plugged into the ROM connector. The new code
completely supersedes the factory-installed ROM code. It does not
overlay or extend the factory code.
--unquote--
That leaves me wondering where the EZ-SetUp cartridge was supposed to
go. Perhaps that cartridge contained ROM and NVRAM. Who knows? I've
certainly never seen one.
- Paul
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