ARM CM940T Computer Hardware User Manual


 
Specifications
B-4
© Copyright ARM Limited 1999. All rights reserved.
ARM DUI 0125A
B.3 Mechanical details
The core module is designed to be stackable on a number of different motherboards. Its
size allows it to be mounted onto a CompactPCI motherboard while allowing the
motherboard to be installed in a card cage.
Figure B-1 shows the mechanical outline of the core module.
Figure B-1 Board outline
Memory DIMM connector is 25º type
which overhangs the edge of the board
Detail A
200-way connector
(4 col x 50 row)
Plug on top and
socket on underside
130-way connector
(4 col x 30 row)
Plug on top and
socket on underside
Measurement datum is
line shown through pins
Detail B
10.0
SamtecTOLC series
Pin numbers for 200-way socket,
viewed from below board
81.0
Pin numbers for 168-way
SDRAM DIMM connector
shown
Detail B
1
85
2
86
10.0
128.0
148.0
100.0
HDRA HDRB
Connector footprint
Detail A
10.0
10.0
Memory DIMM
SamtecTOLC series
Pin numbers for 200-way plug,
viewed from above board
1
2
3
102
101
103
101
102
103
2
1
3