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2. Product Introduction 20
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❖ Each CPU supports six-channel DDR4, each channel has 2 DIMM strips,
RDIMM/LRDIMM. And each CPU supports a maximum capacity of 1.5TB;
❖ DDR4 type: DDR4-2133/2400/2666/2933ECC-RDI, ECC-LRDIMM;
❖ There are 3 PCIE RISER slots on the board, of which: RISER1 24 PCIE LANEs are
all from CPU0, 24 PCIE LANEs of Riser2, of which 8 PCIE LANEs are from CPU0,
16 PCIE LANEs are from CPU1, 16 PCIE LANEs of Riser3 Also from CPU1;
❖ The G3DCL-B motherboard provides 2 M.2 Key M SSD slots, supports 2280 size,
and only supports PCIe X2 signals;
❖ Two Gigabit Ethernet ports are integrated on the motherboard, using 88E1512 chip,
from PCH;
❖ Southbridge PCH uses INTEL LEWISBURG C621/C622 series chipset;
❖ PCH leads to 14 SATA Ports, the highest rate: 6Gb/s, compatible with SATA
1.5Gb/s, 3.0Gb/s; SATA Controller provides 8 SATA PORTs, and SSATA provides
6 SATA PORTs, of which SATA PORT 8 PORT, according to Two SFF8643
connectors are introduced in order, and the first four PORTs of SSATA are
introduced into one SFF8643 connector, and the latter two PORTs are introduced
into the 7PIN SATA connector for access to SATA DOM and DVD;
❖ The BMC chip in this single board uses ASPEED's AST2500 control chip to
Do IPMI remote management. VGA output port, dedicated Gigabit RJ45 management
network port, and connected to PCH through RMII/NCSI.
The main board block diagram of the system architecture is as follows:
Figure 2-1
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