Little Board™/486
e
Technical Manual
2–56
Table 2–42. Utility Connector (J16)
Pin
Signal Name
Function
1
-12V power
Connect external –12V supply here for distribution to
expansion cards needing this voltage
2
Ground
Ground return
3
-5V power
Connect external –5V supply here for distribution to
expansion cards needing this voltage
4
Ground
Ground return
5
LED Anode
LED current source (+5V through 330 ohms)
6
EXSMI
External SMI
7
S
PC audio signal output
8
Ground
Ground
9
Reset
To one side of the manual reset button
10
N/C
No connection
11
Kbd Data
Keyboard serial data
12
Kbd Clk
Keyboard Clock
13
Ground
Keyboard ground
14
Kbd Power
Ke5V power
15
BATV +
External b
16
BATV-
External battery -
Table 2–43. J16 Mating Connector
Connector Type
Mating Connector
Ribbon
3M 3452-7600
Discrete Wire
MOLEX Housing 22-55-2162
Pin 16-02-0103
Summary of Contents for 486E P/N 5001561 Revision A
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