53
13. PC/104 ISA Bus Expansion
The PC/104 specifies an ISA bus with certain mechanical and electrical features that make
it well suited to embedded applications. It eliminates the need for a backplane, it provides
for compact adapters, and allows for reduced bus signal drive requirements.
13.1
Connector
There are two physical connectors associated with the 16-bit PC/104 expansion supported
by the NPC-486E, J5 and J6.
E27
E28
E18
J1
1
1
J19
U7
U6
E9
U13
2
J2
J3
E5
U8
E8
E7
E6
2
J4
1
6
E16
E10
E14
E13
E11
E15
E12
U9
E17
U14
1
E1
J18
1
E3
E2
E4
3
U16
E19
E20
E21
E22
E23
E24
E25
U15
U10
E26
U11
PC104
J6
J7
J8
J5
1
1
1
J9
J10
U24
E29
BT1
E30
1
J11
U18
1
J12
1
E31
E32
T1
U21
J17
1
J14
J13
1
J16
1
Содержание NPC-486E
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