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Chapter 2: Hardware installation
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2.5
Expansion Slots
PE1: Mini PCI-E Slot
This mainboard is equipped with 1 Mini PCI-E Slot.
PCI1/2: Peripheral Component Interconnect Slots
This motherboard is equipped with 1 standard PCI slot. PCI stands for Peripheral Component
Interconnect, and it is a bus standard for expansion cards. This PCI slot is designated as 32 bits.
2.6
Power Supply
ATXPWR1: ATX Power Source Connector (24-pin)
This connector allows user to connect 24-pin power connector.
12 1
24 13
Pin
Assignment
Pin
Assignment
1
+3.3V
13
+3.3V
2
+3.3V
14
-12V
3
Ground
15
Ground
4
+5V
16
PS_ON
5
Ground
17
Ground
6
+5V
18
Ground
7
Ground
19
Ground
8
PW_OK
20
NC
9
Standby V5V
21
+5V
10
+12V
22
+5V
11
+12V
23
+5V
12
+3.3V
24
Ground
JAT1: AT/ATX Power Switch Header
This header is for switching between AT and ATX power.
1 3
3
1
Pin 1-2 Close: For ATX Power (Default)
3
1
Pin 2-3 Close: For AT Power