
16
A+ Server AS -2124BT-H(N)TR User's Manual
Figure 1-5. System on Chip, System Block Diagram
Note:
This is a general block diagram and may not exactly represent the features on your
motherboard. See the System Specifications appendix for the actual specifications of your
motherboard.
System Block Diagram
E
F
G
H
A
B
C
D
A
B
C
D
H
G
F
E
CPU1 P3 [15:0]
RMII
JSIOM1
SXB4
CPU2 P0 [15:8]
CPU1 P2 [15:0]
H12DST-B
Micro SD
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
#0
G
#0
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
AMD SP3
AMD SP3
AMD SP3
CPU1 USB2 [0_1:0]
xGMI
SXB3
BMC
AST2500
CPU1 P0 [8]
CPU1 USB2 [1_2]
Rear USB
X 2
CPU1 USB3 [0_1:0]
VGA
COM
IPMI LAN
RJ45
PHY
RTL8211F
DDR4
LPC
BMC ROM
64MB
TPM
BIOS ROM
32MB
MUX
SPI
SPI
SXB2
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
#0
DD
R4
D
IM
M
#0
CPU1 USB2 [1_3]
JUSBA1
USB2.0
Type A
SATA6
DD
R4
D
IM
M
#0
G
CPU1 P0 SATA[5:0]
xGMI
CPU1 P1 [15:0]
JF2
CPU2 P2 [15:12]
SXB1
CPU2 P2 [11:8]
CPU2 P3 [15:0]
J2
M.2 Conn
M key
CPU1 P0 [15:12]
SATA
DOM
CPU1 P0 SATA[7]
CPU1 P0 SATA[6]
CPU1 P0 [10]
CPU1
CPU2