User Guide

©Copyright Lenovo 2022 5 ThinkSystem RAID 540-8i PCIe Gen4 12Gb Adapter
Operating System Support
The adapter supports the operating systems in the following list.
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Microsoft Windows
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VMware vSphere/ESXi
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Red Hat Enterprise Linux
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SuSE Linux
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Ubuntu Linux
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Citrix XenServer
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CentOS Linux
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Debian Linux
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Oracle Enterprise Linux
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Fedora
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FreeBSD
Visit
http://support.lenovo.com, and download the latest firmware and driver for the adapter.
PCIe Host Interface
The adapter’s PCIe 4.0 host interface provides maximum transmission and reception rates of up to 128 GT/s (16GB/s per
lane). The tri-mode controller uses a packet-based communication protocol to communicate over the serial interconnect.
Other PCIe host interface features include the following:
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Eight-lane PCIe host interface
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PCIe Hot Plug
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Power management
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Supports the PCI Bus Power Management Interface Specification Revision 1.2
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Supports Active State Power Management, including the L0 states, by placing links in a power-saving mode during
times of no link activity
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Error handling
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High bandwidth per pin with low overhead and low latency
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Lane reversal and polarity inversion
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Single-phy (one-lane) link transfer rate of 16 GT/s, 8 GT/s, 5 GT/s, and 2.5 GT/s in each direction
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Eight-lane aggregate bandwidth of up to 16GB/s (16,000 MB/s)
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Support of x8, x4, x2, and x1 link widths
LED Management
The adapter offers LED management support for SAS/SATA backplanes.
Storage Interface Features
The adapter’s storage interface supports concurrent operation with SAS and SATA devices to provide a fully functional
solution for any storage environment.
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SAS features:
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SAS data transfers at 12Gb/s, 6Gb/s, and 3Gb/s
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DataBolt technology on all SAS phys to improve performance
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Serial, point-to-point, enterprise-level storage interface
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Wide ports that contain multiple phys
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Narrow ports that contain a single phy
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SAS phy power management
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Data transfer by using SCSI information units
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T10 data protection management