Dell PowerEdge XE9785 Installation and Service Manual

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Inside the System

This image show the inside view of the HPM sled — Figure 1. Inside view of the HPM sled

Table 1. Inside view of the HPM sledThe table lists the components available inside the HPM sled.
Item	Description
1	Power Interposer Board (PIB)
2	GPU Fan Panel Mount Cable
3	Air shroud
4	Cooling fan cage assembly
5	Bus bar cable
6	iDRAC RJ-45 dedicated ports
7	CAM lever to remove the HPM sled
8	OCP NIC
9	OCP tray
10	Mid plane
11	Bus bar cable
12	PCIe Switch Base Board (PSBB) for MI355X GPU PCIe Switch Retimer Base Board (PSRBB) for B300 GPU
13	Power Distribution Board (PDB)
14	Power supply units (12)

This image show the inside view of the HPM sled — Figure 2. Inside view of the HPM sled

Table 2. Inside view of the HPM sledThe table lists the components available inside the HPM sled.
Item	Description
1	Power Interposer Board (PIB)
2	GPU Fan Panel Mount Cable
3	Heat sink
4	Host Processor Module (HPM)
5	Bus bar connector
6	iDRAC RJ-45 dedicated ports
7	CAM lever to remove the HPM sled
8	OCP NIC
9	OCP tray
10	Mid plane
11	Bus bar connector
12	PCIe Switch Base Board (PSBB) for MI355X GPU PCIe Switch Retimer Base Board (PSRBB) for B300 GPU
13	DIMM/DIMM slots
14	Power Distribution Board (PDB)
15	Power supply units (12)

Inside view of the GPU sled with MI355X GPUs — Figure 3. Inside view of the GPU sled with MI355X GPUs

Table 3. Inside view of the GPU sled with MI355X GPUsThe table lists the inside view of the GPU sled with MI355X GPUs
Item	Description
1	Universal Base Board (UBB) handle
2	MI355X GPU module
3	GPU sled
4	Universal Base Board (UBB) handle
5	Universal Base Board (UBB)
6	GPU sled handle

Inside view of the GPU sled with B300 GPUs — Figure 4. Inside view of the GPU sled with B300 GPUs

Table 4. Inside view of the GPU sled with B300 GPUsThe table lists the inside view of the GPU sled with B300 GPUs
Item	Description
1	GPU Baseboard handle
2	B300 GPU heatsink
3	NVSwitch Heatsink
4	Panel mount bracket support tray
5	OSFP board with cable assembly
6	OSFP board with cable assembly
7	GPU Baseboard handle
8	GPU sled