24 Jul
2013
24 Jul
'13
2:06 p.m.
On 2013 Jul 24, at 11:22 AM, Tony Duell wrote:
HP put the connectors at different positions so each board would be
keyed differently, but you don't need an extender for each board.
You only need a set of 6 'standard' extenders, of the same height;
one of each:
10*2
15*2
18*2
22*2
24*2
25*2
Each board has one or two connectors from the above set and for those
with two the two are always different. So each board can be extended
by selecting the appropriate single or pair from the set of six. You
can only extend one board at a time this way, but it's a lot easier
than the alternative of a set of 17-or-so very specialised extenders.
It's just unfortunate HP used the 25-pin connector, as it is not too
common.
I will check
this out, hopefully this weekend.=A0 Out of
curiosity, is ther=
e an extender or some other way of probing these boards while
powered up?=
Extender boards are very rare. JHP never intneded thse machiens ot be
reparied to compneent-level in the field so there was no official
set of
extender baords. And they carefully put the conenctors for different
boards in differnet positions so you would really need an extender for
each board.