MSI B75A-G43 series User Manual

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Englsh
PCI (Perpheral Component Interconnect) Slot
The PCI slot supports addtonal LAN, SCSI, USB, and other add-on cards that comply
wth PCI spec󰘰catons.
32-bt PCI Slot
Important
When addng or removng expanson cards, always turn o󰘯 the power supply and
unplug the power supply power cable from the power outlet. Read the expanson card’s
documentaton to check for any necessary addtonal hardware or software changes.
PCI Interrupt Request Routng
IRQ, or nterrupt request lnes, are hardware lnes over whch devces can send nterrupt
requests to the processor. The PCI IRQ pns are typcally connected to the PCI bus pns
as followed:
Order1 Order2 Order3 Order4
PCI Slot1 INT A# INT B# INT C#
INT D#
PCI Slot2 INT B# INT C# INT D# INT A#
PCI Slot3 INT C# INT D# INT A#
INT B#
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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)