15
Chapter 1: Introduction
Note:
This is a general block diagram and may not exactly represent the features on
your motherboard. See the previous pages for the actual specifications of your moth
-
erboard.
Figure 1-3.
C621 System Block Diagram
DDRIV
DDRIV
A1
D1
E1
A1
B1
PCI-E x16 G3
SPI
LAN3
Debug Card
RGMII
FRONT PANEL
CTRL
SYSTEM POWER
FAN SPEED
#2
B1
E1
D1
PCI-E X1 G2
USB 2.0
#2 USB2.0
PCH
RTL8211E-VB-CG
RJ45
BIOS
ESPI
LBG-1G X1 UPLINK (15W)
SPI
Temp Sensor
NCT7718W
TPM HEADER
USB
SPI
BIOS
BMC
AST2500
#5
COM1
Connector
VGA
Connector
BMC Boot Flash
DDR4
PCI-E X16
SLOT1
VPP_AB (2.575)
VDDQ_AB (1.2)
VTT_M_AB (0.6)
DMI3
6.0 Gb/S
#0~#5
Adaptor Interface
SXB2
I-SATA
PCI-E x4 G3
SATA x1 G3
#8(Flexible IO)
Adaptor Interface
SATA-DOM
#3
UPLINK
Marvell 88E1512
1G Base-T
RJ45
RJ45
#0
#1
Marvell 88E1512
1G Base-T
LAN1
LAN2
RMII/NCSI
NCSI
SFI
SFI
#1
#0
#7
#6
USB 2.0
USB 3.0
USB
VCCP1
VCCP0
VR13
4+1 PHASE
140W
VR13
4+1 PHASE
140W
UPI
10.4 GT
UPI
UPI
P0
P0
P1
P1
DMI3
DMI3
CPU 1
CPU 2
PCI-E x1
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