MSI B75A-G43 series User Manual

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Power Supply
JPWR1: ATX 24-pn Power Connector
Ths connector allows you to connect an ATX 24-pn power supply. To connect the ATX
24-pn power supply, algn the power supply cable wth the connector and 󰘰rmly press
the cable nto the connector. If done correctly, the clp on the power cable should be
hooked on the manboard’s power connector.
13.+3.3V
1.+3.3V
14.-12V
2.+3.3V
15.Ground
3.Ground
16.PS-ON#
4.+5V
17.Ground
5.Ground
18.Ground
6.+5V
19.Ground
7.Ground
22.+5V
10.+12V
20.Res
8.PWR OK
23.+5V
11.+12V
21.+5V
9.5VSB
24.Ground
12.+3.3V
JPWR2: ATX 8-pn Power Connector
Ths connector provdes 12V power to the CPU.
7.+12V
3.
Ground
5.+12V
1.
Ground
8.+12V
4.Ground
6.+12V
2.Ground
Important
Make sure that all the power cables are securely connected to a proper ATX power
supply to ensure stable operaton of the manboard.
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MSI B75A-G43 series Specifications

General

Chipset	Intel B75
Form Factor	ATX
Socket	LGA 1155
Memory Slots	4
Maximum Memory	32 GB
PCI Express x16	1
PCI Express x1	2
SATA 3Gb/s	4
SATA 6Gb/s	1
Audio	Realtek ALC892
RAID Support	Yes
LAN	Realtek RTL8111E
USB 3.0	2 (rear), 2 (front)
USB 2.0	8 (4 rear, 4 via headers)