EBX-18 Hardware Reference Manual
16
System Features
Power Delivery
The EBX-18 board has two power delivery options, as described below.
Option 1 (Default)
Input Voltage
Power Connector
V10 Jumper
Setting
Minimum off time for power cycling
(measured at room temperature)
+5V ±5%
V5_ATX (10-pin, 2 x 5)
Pin 1 to Pin 2
5 seconds
Option 2
Input Voltage
Power Connector
V10 Jumper
Setting
Minimum off time for power cycling
(measured at room temperature)
+9V - +15V
(+12V nominal)
V_WIDE (12-pin, 2 x 6)
Pin 2 to Pin 3
2 seconds
Integrator’s Notes:
The V5_ATX power adapter is intended for use with ATX-compatible power supplies.
The V_WIDE power option disallows use of the expansion power rails for PC/104-
Plus
boards (except for the board’s +5V/GND rails). Contact VersaLogic for power adapters and
more information.
P
OWER
C
ONNECTOR
Table 4: J3 Power Connector
Pin
Signal
Tolerance
Pin
Signal
Tolerance
6
+V
IN
[V_WIDE]
9 – 15V
12
+V
IN
[V_WIDE]
9 – 15V
5
+3.3 V [V3P3_ATX]
±5%
11
GND
—
4
+12 V [V12_ATX]
±5%
10
-12 V [V12N_ATX]
±5%
3
GND
—
9
+5 V [V5_ATX]
±5%
2
GND
—
8
+5 V [V5_ATX]
±5%
1
PS_ON [GND]
—
7
+5VSTBY [NC]
Note:
Signal names in brackets (such as [V5_ATX]) represent schematic signal names
Figure 7. Location of Jumper V10 and J3 Power Connector
4