Gilderfluke&Co 8 Bit Digital Audio Systems User Manual
Page 60
Configuration and Installation:
Each MX- Repeater card plugs into J-5 (2 x 17 pin header) and J-4 (1 x
24 pin header) on the card below. They are mounted by four 6-32 standoffs
from the card below.
The Repeater card to which the first MX- card is attached must have four
6-32 x 1/2" hex standoffs attached to it. With AB-100 AudioBricks and AB-
Clocks, the standoffs are 6-32 x 1/2" male/female spacers which replace
the screws which normally mount the card into the case.
MX- cards beyond the first one all mount using 6-32 x 7/16" male/female
spacers (or a 6-32 x 3/8Ó male/female spacer with a 1/16Ó thick nylon wash-
er under it) to the MX- card below them. The last card in the series is fas-
tened down with four 6-32 x 1/4" round head machine screws.
The MX-100 cards are all configured as either 'EVEN' or 'ODD' cards. The
first card on top of the Repeater is always an 'EVEN' one. The cards are al-
ways configured as follows:
FIRST MX- MEMORY EXPANSION = EVEN
SECOND MX- MEMORY EXPANSION = ODD
THIRD MX- MEMORY EXPANSION = EVEN
FOURTH MX- MEMORY EXPANSION = ODD
FIFTH MX- MEMORY EXPANSION = EVEN
SIXTH MX- MEMORY EXPANSION = ODD
SEVENTH MX- MEMORY EXPANSION = EVEN
All MX-200 cards are factory configured as EVEN card, since they are
normally mounted in the first, third, fifth, or seventh MX- positions.
To configure an MX-100 card, two jumpers are moved to the positions
shown below, and one of the pins on the J-4 connection is bent downward
slightly so that this one pin doesn't plug into any additional MX- card which
is mounted on top of it. If the configuration of the MX- cards is to be made
permanent, these pins can be cut off instead of merely bent.
ODD
EVEN
J4
ODD
EVEN
J4
To configure MX- card for 'EVEN':
To configure MX- card for 'ODD':
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