Ampro Corporation 486E Onboard MiniModule Expansion, Using Standard PC and AT Bus Cards

Product Reference
2–63
Onboard MiniModule Expansion
One or more Ampro MiniModule products or other PC/104 modules can be installed on the
Little Board/486e expansion connectors. When installed on P1 and P2, the expansion modules fit
within the Little Board/486e’s outline dimensions. Most Ampro MiniModule products have
stackthrough connectors compatible with the PC/ 104 Vers ion 2. 1 spe cifica tion. Seve ral mod ules c an
be stacked on the Little Board/486e headers. Each additional module increases the thickness of the
package by 0.66 inches (15 mm). See Figure 2–12.
Figure 2–12. Stacking PC/104 Modules with the Little Board/486e CPU
Using Standard PC and AT Bus Cards
Since the PC/104 bus is electrically identical to ISA, it is also po ssible to a ttach co nven tion al 8- bit
and 16-bit ISA expansion cards to the Little Board /486e CPU . This requ ires some ty pe of pa ssive
adapter to perform the physical transition from PC/104 bu s heade rs to s tandard ISA s lots. Co ntac t
Ampro to use conventional ISA expansion cards in Little Board/486e systems.
4-40 nut PC/104 Module
PC/104 Module
Little Board/486e
Stackthrough
Expansion
Bus Headers
0.6 inch standoff
0.6 inch standoff
4-40 screw