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Chapter 2
Hardware Configuration
2
PW1 ATX Power Supply Connector
This connector connects to a ATX power supply, The plug from the power
supply will only insert in one orientation because of the different hole
sizes. Find the proper orientation and push down firmly making sure
that the pins are aligned.
Pin
Description
Pin
Description
1
3.3V
2
3.3V
3
GND
4
5V
5
GND
6
5V
7
GND
8
PW-OK
9
5VSB
10
12V
11
3.3V
12
-12V
13
GND
14
PS-ON
15
GND
16
GND
17
GND
18
-5V
19
5V
20
5V
Note:
Make sure that the ATX power supply can take at least 10mA
load on the 5 volt standby lead (5VSB).
PS /2 Keyboard
(6-p in Fem ale)
Serial Po rt(9-p in M ale)
CO M 1
CO M 2
PS /2 M o use
USB 1
USB 2
Parallel (Prin ter) P ort
(25-pin Fem ale)
P10
P11
P1
P20
Содержание MBX8440
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