On Sat, Jul 24, 2004 at 11:55:52AM -0400, Joe R. wrote:
> >Oh... a little tip - I have proven that the 6520 on the display board can
> >be replaced with an 6821 (I have a number of 6821s since they were used to
> >drive the printer port and the diagnostic display for the original COMBOARD
> >model).
>
> That's good to know. Can a 6821 simply be dropped in it's place or does
> it require any other changes?
No changes required... just drop it in there. Same goes for a PET.
> I've seen a lot of displays around that look like these. I should pick up
> some for spares.
They don't tend to fry, but they do get dim with age (as do all LEDs)
-ethan
--
Ethan Dicks, A-130-S Current South Pole Weather at 24-Jul-2004 23:40 Z
South Pole Station
PSC 468 Box 400 Temp -80.4 F (-62.5 C) Windchill -125.7 F (-87.59 C)
APO AP 96598 Wind 15.7 kts Grid 021 Barometer 664.7 mb (11208. ft)
Ethan.Dicks_at_amanda.spole.gov http://penguincentral.com/penguincentral.html
Received on Sat Jul 24 2004 - 18:43:54 BST