. Two (2) I/O expansion mezzanine slots:. x16 PCIe 3.0 Type A (supports Type A mezzanine cards expansion slot 1) NOTE: This expansion slot supports dual-port mezzanine cards: one port is routed to interconnect module bay3 and the other to bay4. x16 PCIe 3.0 Type B (supports Type A and Type B mezzanine cards (expansion slot 2).
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FACT:HPE ProLiant Gen8 Servers
FACT:FlexibleLOM
SYMPTOM:FlexibleLOM
GOAL:What is FlexibleLOM?
CAUSE:No Cause
FIX:
What is FlexibleLOM?
System Board with an embedded NIC is referred as LAN-on-motherboard (LOM) architecture.
FlexibleLOM uses a system board edge connector that accepts a FlexibleLOM adapter, which integrates seamlessly.
Benefits of FlexibleLOM over LOM (LAN on Motherboard)?
In previous generation servers, we had LOM which is integrated onto the system board. If a user desired a different kind of networking adapter, they would need to purchase a PCI adapter and install it in a slot in the server. This was consuming mezzanine or PCI slots which reduced the flexibility to add other mezzanine cards or PCI cards.
What is FLR and FLB?
FlexibleLOM Rack (FLR) adapter for rack mount servers.
FlexibleLOM Blade (FLB) adapter for Blade servers.
What is the PCIe interface used by FlexibleLOM in Rack Servers?
FlexibleLOM technology uses a custom implementation of the PCIe 3.0 x8 interface. FlexibleLOM technology does not require additional CPU resources over standard LOM architecture and does not occupy a regular PCI slot.
What is the interface used by FlexibleLOM in Blade Servers?
FLB uses PCI Express v2.0 (Gen 2) x8 interface. The FlexibleLOM Blade adapter installs as a daughter card on the server blade board, just like a mezzanine card.
How to install FlexibleLOM?
Refer to the respective server’s maintenance guide or FlexibleLOM’s installation guide.
Which servers use FlexibleLOM?
At the time of writing this article, the following Gen8 servers use FlexibleLOM technology.
ProLiant DL (Rack):
HP ProLiant DL160 Gen8
HP ProLiant DL360p Gen8
HP ProLiant DL380p Gen8
HP ProLiant DL385p Gen8
HP ProLiant DL560 Gen8
ProLiant SL (scalable):
HP ProLiant SL210t Gen8
HP ProLiant SL230s Gen8
HP ProLiant SL250s Gen8
HP ProLiant SL270s Gen8
ProLiant BL (Blades):
HP ProLiant BL420c Gen8
HP ProLiant BL460c Gen8
HP ProLiant BL465c Gen8
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HP ProLiant BL660c Gen8
HP ProLiant WS460c Gen8
Note: Replacing a system board will not replace the FlexibleLOM.
Note: Part numbers are subject to change without notice, please refer to HP PartSurfer for parts numbers.
HP FlexibleLOM adapters for HP ProLiant Gen8 rack mount servers:
Spare Part# | Fabric Connectivity | |
HP 1GbE 4-port, 331FLR Adapter FIO Kit | 629135-B21 | Large send/receive offloading, VLAN tagging, virtualization support |
669280-001 | 1 Gb Ethernet | Large send/receive offloading, VLAN tagging, virtualization support, TCP checksum and segmentation, MSI-X, Wake-On-LAN, Jumbo frames, IEEE 1588 |
649869-001 | 10 Gb Ethernet | VLAN tagging, NIC teaming, PXE boot, virtualization support |
634026-001 | 10 Gb Ethernet, iSCSI, FCoE, FlexFabric | |
HP InfiniBand FDR/EN 10/40Gb 2-port, 544FLR-QSFP Adapter | 649282-B21 | Dual functionality: IB bandwidth up to 56 Gb/s, Ethernet bandwidth up to 40 Gb/s |
HP InfiniBand QDR/EN 10Gb 2-port, 544FLR-QSFP Adapter | 649283-B21 | Dual functionality: IB bandwidth up to 56 Gb/s, Ethernet bandwidth up to 10 Gb/s |
669281-001 | 10 Gb Ethernet | Jumbo frames, PXE boot, checksum segmentation offload, time stamping (IEEE 1588), virtualization support |
HP FlexibleLOM adapters for HP ProLiant Gen8 c-Class server blades:
Spare Part# | Fabric Connectivity | |
HP Ethernet 10Gb 2-port 560FLB FlexibleLOM | 655639-B21 | HP teaming, iLO, LSO and checksum offload, time stamping (IEEE 1588), virtualization features |
656246-001 | 1 Gb Ethernet | Time stamping/synchronization, DMA coalescing, RSS, PXE boot, large send offload, Jumbo frames |
657132-001 | 10 Gb Ethernet, Virtual Connect Flex-10 | TCP offload engine, MSI/MSI-X, virtualization features |
649940-001 | 10 Gb Ethernet, iSCSI, FCoE | Multi-protocol offloads, industry-leading performance-per-watt power savings |
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Note: Product images are for illustrative purposes only. Actual product may differ.
Figure 1: FlexibleLOM for Rack Servers.
Figure 2: Rack Server with FlexibleLOM (FLR).
Figure 3: FlexibleLOM for Blade Servers.
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Figure 4: Blade Server with FlexibleLOM (FLB).
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