Chapter 1: Introduction
1-9
System Block Diagram
Note:
This is a general block diagram and may not exactly represent
the features on your motherboard. See the Motherboard Features
pages for the actual specifications of each motherboard.
A1SAi & A1SRi Series motherboard Block Diagram
CHB
B1
A2
PEG [8..15]
FLASH 64Mb
SO - DIM
M
CHA
LPC
SATA 3.
0
PCIE 2.0 x 8 SLOT
A1
SO - DIM
M
TPM HDR
C2000 SOC
VGA
FAN x 3
SO - DIM
M
SATA 2.
0
SATA GEN2
SO - DIM
M
SATA 3.
0
SATA GEN3
CHA
CHB
PEG [7]
PEG [3]
PCIE x 8
AST2400
PCIE x 1
COM
1
COM
2
SATA 2.
0
SATA 2.
0
SATA 2.
0
RJ45
RTL8211E
SGMII x 4
Marvell
88E1543
10BASE-T/100BASE-T/1000BASE-T
LAN1
LAN3
LAN2
LAN4
+
SPI
USB [0:1]
USB [2:3]
TX/RX
(debug)
0Ohm
NI
LPC
UART1 UART2
B2
USB 2.0 X 2
Renesas
720201
USB 3.0 X 4
TYPE-A
USB
HEADER
+
+
REAR
REAR
PCIE x 1
GbE LAN
DIMMB1/B2 not available on A1SRi-2358F
A1SRi-2358F (Two SATA 2.0 only)
A1SAi-2550F/2750F (Four SATA 2.0)
REAR