Onboard Devices

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MSI K9N2 Diamond (Revision 1.1)
Chipset nForce 780a SLI
PCIe 2.0 Bridge nForce 200
Voltage Regulator Six Phases
BIOS VP.0B4 (04/072008)
200 MHz HT Clock 200.0MHz (+0.0%)
Clock Generator ICS 9DB403DGLF
Connectors and Interfaces
Onboard 3x PCIe x16 (Modes: x16/x16/ or x16/x8/x8)
1x PCIe x1
2x PCI
3x USB 2.0 (2 ports per connector)
1x IEEE-1394 FireWire
1x Serial Port header
1x Floppy
2x Ultra ATA (2 drives each)
6x Serial ATA 3.0Gb/s
1x Fan 4 pins (CPU)
4x Fan 3 pins (System/Power)
1x Power Button
1x Reset Button
1x CLR_CMOS Button
IO panel 2x PS2 (keyboard + mouse)
2x RJ-45 Network
4x USB 2.0
1x IEEE-1394 FireWire
2x Extrernal SATA (eSATA) 3.0Gb/s
1x DVI Video
Mass Storage Controllers
nForce 780a SLI 6x SATA 3.0Gb/s (RAID 0, 1, 5, 10 capable)
1x Ultra ATA 133 (2-drives)
JMicron JMB363 PCI-E 1x Ultra ATA-100 (2-drives)
2x SATA 3.0Gb/s (RAID 0,1, JBOD)
Network
Realtek RTL8111C PHY 1x Gigabit LAN Connection
Realtek RTL8211BL PCI-E 1x Gigabit LAN Connection
FireWire
VIA VT6308P 2x IEEE-1394a (400 Mbit/s)

The components list looks a little shorter than the typical high-end motherboard, but that’s only because MSI forwent any onboard audio solution to instead provide a discrete sound card.

msi k9n2-diamond ports

MSI added another heat pipe sink to the space normally consumed by analog audio ports. Two eSATA ports bring the board into the modern era, while to PS/2 ports help those who prefer legacy peripherals.

Missing are any analog video outputs for the onboard graphics controller, as DVI to VGA adapters require a DVI-I connector (and associated hardware) rather than the provided DVI-D. MSI does include an HDMI adapter, and the chipset provides HDMI audio support.

msi k9n2-diamond jmb363

Located along the motherboard’s lower rear edge, the JMicron JMB363 is responsible for the additional Ultra ATA connector, along with eSATA connection on the port panel. Its location provides an excuse for that of the extra Ultra ATA connector, since this particular interface is easily affected by electromagnetic interference when longer trace lengths are used.

msi k9n2-diamond vt6308p

Two IEEE1394 FireWire ports are connected through a VIA VT6308P controller. Because this ancient interface is far slower than internal busses, the controller’s use of one of the chipset’s five PCI interfaces isn’t a problem.

msi k9n2-diamond rtl8111c

NVidia’s latest chipsets have an onboard networking controller, so MSI addresses one of its two Gigabit Ethernet ports with a simple PHY. Realtek’s RTL8111C does the job.

msi k9n2-diamond rtl8211bl

The second network port is controlled by Realtek’s RTL8211BL, which uses PCI-Express to provide full bi-directional bandwidth.

msi k9a2-platinum audio

High-end users typically prefer a discrete audio solution rather than integrated codec, so MSI includes a Sound Blaster X-Fi Xtreme Audio card with all of its recent Diamond series motherboards. MSI updated this version with an aluminum RFI shield.


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