Supermicro X12SDV-4C-SPT4F User Manual page 17

PCIe 4.0 x8
SLOT7 PCIe 4.0 x8
PCIe 4.0 x3
M.2(M-Key)CONN
PCIe 4.0 x1
MUX
SATA 3.0 x1
PCIe 3.0 x4
OCuLink CONN
SATA 3.0 x4
PCIex4/SATAx4
FLASH
TPM
REAR IO
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.
System Block Diagram
U1
SoC
CH-B
CPU
CH-A
PE1[7:0]
PE1[15:13]
PE1[12]
25G PHY
PCH
Quad0
Lane 0,2
Flexible I/O
8
Flexible I/O
16, 17, 18, 19
Flexible I/O
0, 1, 2, 3
Flexible I/O
20,21
USB[1:0]
USB[3]
USB 2.0 x1
USB[2]
SPI
PCIe x1
Flexible I/O
14
eSPI
3rd LAN
+
USB 3.0
10G LAN SFP28
17
Chapter 1: Introduction
DDR4 2400/2666/2933 MT/s
A1 B1
SFP28
MDI
PCIe 3.0 x4
MDI
X550-AT2
USB 3.0 x2 USB 3.0
Conn.
USB 2.0 x2
USB 2.0
USB 2.0 x1 USB 2.0 X2
4-PORT HUB
USB 2.0 x1
USB2B
USB2A
BMC
AST2600
FLASH PHY
RTL8211FI
VGA
10G JLAN1
USB 2.0 HEADER
DDR4 CHIP
COM1 HEADER
VGA CONN
FAN1/2/A HEADER
IPMI LAN