From: Tony Duell <ard_at_p850ug1.demon.co.uk>
>> That would be interesting. You could use duct tape to attach a
soldering
>> iron to the board so it would generate the same heat that 512MB does
:-)
>
>Many a true word is spoken in jest.
;)
>I've seen PCBs in some systems that are nothing more than an array of
>high-power resistors connected between (one of?) the supply lines and
>ground. Said PCBs are generally fitted if a particular option
(consisting
>of a PCB containing logic chips, etc) is not installed. And the only
>purpose of the board of resistors is to load the PSU so that it stays in
>regulation -- the load of the rest of the machines (without the optional
>logic board) is not enough for the PSU to remain happy.
The best known and classic is Microvax2000 diskless systems. The
disks of the day were 30W loads and if they were not used there was
a board (array of resistors). The matching tape (TK50..) used the same
box, PS and the resistor array to load it.
Allison
Received on Sat Jan 27 2001 - 13:57:02 GMT