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Functional Architecture IntelP®P Server Board S3420GP TPS
Onboard Video
Enabled
Disabled
Onboard video controller.
Warning: System video is completely disabled if
this option is disabled and an add-in video
adapter is not installed.
Dual Monitor Video
Disabled
an add-in video adapter are enabled for system
Enabled If enabled, both the onboard video controller and
video. The onboard video controller becomes
the primary video device.
3.8 ller (NIC)
The 3420GPLX and S3420GPLC support two network interfaces, One is
provided from the onboard Intel
®
82574L GbE PCI Express network controller; the other is the
onb r
etwork controller.
The t
rts one network interface, which is provided from
the b
network controller.
at offer
Y) port.
ngle-port implementation in a
relatively small area so it can be used for server and client configurations as a LAN on
X,
0
• NC-SI or SMBus connection to a Manageability Controller (MC)
that BSDL testing is NOT supported)
operation at 1000/100/10 Mb/s data rates. The PHY circuitry provides a standard IEEE 802.3
pplications (802.3, 802.3u,
.
he PCIe
(main) interface is used for all link speeds when the system is in an active state (S0) while the
SMBus is used only when the system is in a low power state (Sx). In SMBus mode, the link
speed is reduced to 10 Mb/s. The PCIe interface incorporates two aspects: a PCIe SerDes
3.8 efinition
Network Interface Contro
Intel Server Board S
®
oa d Intel
®
82578 Gigabit N
In el
Server Board S3420GPV only suppo
on oard Intel
®
®
82574L GbE PCI Express*
3.8.1 GigE Controller 82574L
The 82574 family (82574L and 82574IT) are single, compact, low-power components th
a fully-integrated Gigabit Ethernet Media Access Control (MAC) and Physical Layer (PH
The 82574 uses the PCI Express* architecture and provides a si
Motherboard (LOM) design.
External interfaces provided on the 82574:
• PCIe Rev. 2.0 (2.5 GHz) x1
• MDI (Copper) standard IEEE 802.3 Ethernet interface for 1000BASE-T, 100BASET
and 10BASE-T applications (802.3, 802.3u, and 8 2.3ab)
• EEE 1149.1 JTAG (note
3.8.2 GigE PHY 82578DM
The 82578 is a single port Gigabit Ethernet Physical Layer Transceiver (PHY). It connects to the
Media Access Controller (MAC) through a dedicated interconnect. The 82578DM supports
Ethernet interface for 1000BASE-T, 100BASE-TX, and 10BASE-T a
and 802.3ab).
The 82578 operates with the Platform Controller Hub (PCH) chipset that incorporates the MAC
The 82578 interfaces with its MAC through two interfaces: PCIe-based and SMBus. T
(electrically) and a custom logic protocol.
.3 MAC Address D
®
Each Intel Server Board S3420GPLX has the following four MAC addresses assigned to it at
the Intel factory:
NIC 1 MAC address
Revision 1.0
Intel order number E65697-003
28