18
24.5
39.19
39.19
24.5
42.1
12.5
55.5
30.0
37.5 27.5
29.2
24.5
IC socket
(NQPACK144SD-ND manufactured by
Tokyo Eletech Corporation)
User system
Spacer (φ6.0)
Unit: mm
Tolerance: ±1.0 mm
Pin 1
Top view
External bus trace unit
EV-chip unit
Figure 9 Resulting Dimensions after Connecting User System Interface Board (when Connecting External Bus Trace Unit and EV-Chip Unit)