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研华ASMB-977 是一款双路 LGA4677 第四代 Intel® Xeon®可扩展服务器主板，采用intel C741 芯片组，具有Intel® X710-AT2 双10GbE 万兆以太网端口和 5个PCIe x16 Gen5.0 ，5x PCIe x8 Gen4.0 插槽。
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Specifications
| Form Factor | Proprietary | ||
| Processor System | Socket | Dual Intel® LGA4677 (Socket E) | |
| CPU type | 5th/4th Gen Intel Xeon Scalable processors (CPU cooler should be purchased separately*) | ||
| Core Logic | Chipset | Intel® C741 chipset | |
|
Memory |
Total slots | 16x (1 DIMM per channel) | |
| Capacity | Maximum 4TB ECC RDIMM | ||
| Memory type | DDR5 ECC-REG 4400/4800/5200 MHz RDIMM | ||
| Memory size | 16GB, 32GB, 64GB, 128GB, 256GB | ||
|
Expansion Slots |
Total PCIe slots | 10 | |
| Slot location 1 | PCIe x 8 slot (Gen4 x8 link), signal from CPU0 | ||
| Slot location 2 | PCIe x 16 slot (Gen5 x16 link), signal from CPU0, CXL support** | ||
| Slot location 3 | N/A | ||
| Slot location 4 | PCIe x 16 slot (Gen5 x16 link), signal from CPU0, CXL support** | ||
| Slot location 5 | PCIe x 8 slot (Gen4 x8 link), signal from CPU1 | ||
| Slot location 6 | PCIe x 16 slot (Gen5 x16 link), signal from CPU0, CXL support** | ||
| Slot location 7 | PCIe x 8 slot (Gen4 x8 link), signal from CPU1 | ||
| Slot location 8 | PCIe x 16 slot (Gen5 x16 link), signal from CPU1, CXL support** | ||
| Slot location 9 | PCIe x 16 slot (Gen5 x16 link), signal from CPU1, CXL support** | ||
| Slot location 10 | PCIe x 8 slot (Gen4 x8 link), signal from CPU1 | ||
| Slot location 11 | PCIe x 8 slot (Gen4 x8 link), signal from CPU1 | ||
| Graphics | VGA | Aspeed AST 2600 | |
|
Storage |
SATA controller | Intel® C741: 8 x SATA3.0 (6 Gb/s) via Mini SAS HD (SFF-8643), support software RAID 0,1,5,10 1 x SATA3.0 (6 Gb/s) | |
| SAS controller | - | ||
| Networking | GbE/10GbE LAN | 2 x Intel® I210AT / Intel® X710-AT2 (dual 10GbE ports) | |
|
Onboard I/O |
PSU connector | 24-pin SSI power connector + 6 x 8-pin SSI 12 V power connector*** | |
| USB connector | 2 x USB 3.2 Gen 1 ports (one onboard header) + 1 x Type-A USB 2.0 port | ||
| Fan header | 7 x 4-pin (2 for CPU + 5 for system) + 2 x 8-pin (for external rear fan) | ||
| M.2 1 x M.2 2242/2280 B+M key (SATA and PCIe) + 1 x M.2 2242/2280 B+M key (PCIe) | |||
| SMBus | 1 | ||
| Chassis intrusion | 1 | ||
| Front LAN LED | 1 | ||
| Audio Header | 1 | ||
| PS/2 Keyboard/Mouse header | 1 | ||
| Serial port header | 1 | ||
|
Rear I/O Connector |
External serial port | 1 | |
| External USB port | 2 (USB 3.2 Gen1) | ||
| VGA port | 1 | ||
| RJ-45 | 5 (1 port dedicated for IPMI function) for T2 SKU/3 (1 port dedicated for IPMI function) for I SKU | ||
| PS/2 KB/mouse | - | ||
| Infiniband | - | ||
| Management Solution | Software | - | |
| Out of band remote management | Yes | ||
| Monitoring | CPU temperature | Yes | |
| System monitoring | Yes | ||
| Watchdog Timer | Output | System reset | |
| Interval | Programmable 1 ~ 255 sec/min | ||
| Power Requirements | Power On | 3.3V 5V 12V 5Vsb -12V 8P_CPU0 | 8P_CPU1 |
| (205W CPU@1.6GHz DDR5 4800 64G*16) | 2.43A 1.76A 18.12A 1.54A 0A 16.29A | 13.91A | |
|
Environment |
Operating Non-operating | ||
| Temperature | 0 ~ 40 °C (32 ~ 104 °F), depends on CPU speed and cooler solution -40 ~ 85 °C (-40 ~ 185 °F) | ||
| Humidity | 10% ~ 95% 10% ~ 95% (Non condensing) | ||
| Physical Characteristics | Dimensions (L x H) | 380 x 349.5 mm (14.96" x 13.76") | |
*CPU power design support up to 270W TDP.
**CXL 1.1 Type 1 and Type 2 device.
***Please connect all 8-pin CPU PWR Conn. (ATX12V1/ ATX12V2/ ATX12V3/ ATX12V4) when using dual CPU both up to 205W TDP.
| Part Number | Chipset | Memory | GbE/10GbE LAN | IPMI | Graphics |
| ASMB-977I-00A1 | C741 | 16 x DDR5 RDIMM | 2/- | Yes | AST 2600 |
| ASMB-977T2-00A1 | C741 | 16 x DDR5 RDIMM | 2/2 | Yes | AST 2600 |
Packing List
| Part Number | Description | Quantity |
| 2042097700 | Startup manual | x 1 |
| 1700003194 | SATA data cables | x 1 |
| 1700022749-11 | SATA power cables | x 1 |
| 1700019748 | CPU power cable | x 2 |
| 1930008364 | Screw for M.2 device | x 1 |
| 1960093947T002 | I/O shield | x 1 |
| 1651003738-01 | LGA4677 CPU carrier - E1A (XCC) | x 2 |
| 1651003739-01 | LGA4677 CPU carrier - E1B (MCC) | x 2 |
| Part Number | Description |
| PCA-AUDIO-HDB1E | HD Audio-card |
| 1970005860N000 | LGA4677 CPU cooler for 2U/4U chassis (270W) |
| 1700028024-01 | Dual port USB 3.2 (Gen1) cable (45 cm/ 17.7 in) with bracket |
| 1701090401 | Single port RS-232 COM cable (40 cm / 15.7 in) with bracket |
| 1700019268-11 | Cable for onboard KBMS1 connector (35 cm/ 13.7 in) |
| 1960063434N000 | Cable bracket for 1700019268-11 |
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