Lenovo ThinkSystem SR645 User manual

ThinkSystem SR645 Quick Start
In the box
Server
Rail kit*
Cable management arm*
Material box, including items such as accessory kit, power cords*
and documentation
Note: Items marked with asterisk (*) are available on some models
only.
If any item is missing or damaged, contact your place of purchase.
Ensure that you retain your proof of purchase. They might be required
to receive warranty service.
First glance
Front view:
Note: Your server might look different from the following illustrations.
Figure 1. Server model with 8 x 2.5-inch drive bays and pull-out LCD
diagnostics panel
Figure 2. Server model with 8 x 2.5-inch drive bays
Figure 3. Server model with 10 x 2.5-inch drive bays
Figure 4. Server model with 4 x 2.5-inch drive bays
Figure 5. Server model with 4 x 3.5-inch drive bays
Drive status LED
Drive activity LED
LCD diagnostics panel Diagnostics panel
Power button with power
status LED
Network activity LED (for
OCP 3.0 Ethernet
adapter)
System ID button with
system ID LED
System error LED
USB 2.0 connector with
XClarity Controller
manangement
USB 3.1 Gen 1 connector
Rack latch (right)
External diagnostics
connector
Pull-out information tab VGA connector (optional)
Drive bays Rack latch (left)
Rear view:
Figure 6. Rear view with one PCIe slot and two 2.5-inch rear drive
bays
Figure 7. Rear view with two PCIe slots and two 7mm rear drive bays
Figure 8. Rear view with two PCIe slots
Figure 9. Rear view with three PCIe slots
PCIe slots
Rear drive bays
Power supplies NMI button
VGA connector USB 3.1 Gen 1 connectors
System error LED
XClarity Controller network
connector
System ID LED
Ethernet connectors on
OCP 3.0 Ethernet adapter
(optional)

First Edition (June 2020)
© Copyright Lenovo 2020.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software
is delivered pursuant to a General Services Administration (GSA)
contract, use, reproduction, or disclosure is subject to restrictions set
forth in Contract No. GS‐35F‐05925.
Setting up the system
1. Install the required server components.
2. Install the server into the rack.
3. Connect the server to power.
4. Connect the server to the network.
5. Turn on the server.
6. Configure the server.
For detailed information about installing hardware options and
configuring the server, see the following Web site:
http://thinksystem.lenovofiles.com/help/topic/7d2x/introduction.html
Technical specifications
Dimensions and weight
Height: 43.0 mm (1.7 inches)
Width:
With rack latches: 481.7 mm (19.0 inches)
Without rack latches: 445.0 mm (17.5 inches)
Depth: 771.8 mm (30.4 inches)
Note: The depth is measured with rack latches installed, but
without the security bezel installed.
Weight: up to 20.2 kg (44.6 lb)
Processor
Supports (depending on the model):
Two AMD®EPYCTM processors
Designed for Land Grid Array (LGA) 4094 (SP3) socket
Scalable up to 64 cores
For a list of supported processors, see the Lenovo ServerProven
Web site:
https://static.lenovo.com/us/en/serverproven/index.shtml
Memory
Slots: 32 DIMM slots
Minimum: 16 GB
Maximum: 4 TB
Type (depending on the model):
TruDDR4 3200, dual-rank, 16 GB RDIMM
TruDDR4 3200, dual-rank, 32 GB RDIMM
TruDDR4 3200, dual-rank, 64 GB RDIMM
TruDDR4 3200, dual-rank, 128 GB 3DS RDIMM
Note: Operating speed and total memory capacity depend on the
processor model and UEFI settings.
Storage
Supports (depending on the model and installed drive backplanes):
Front bays:
Up to 10 x 2.5-inch SAS/SATA/NVMe drives
Up to 4 x 3.5-inch SAS/SATA/NVMe drives
Rear bays:
Up to 2 x 2.5-inch SAS/SATA/NVMe drives
Up to 2 x 7mm drives
Up to two internal M.2 drives
Networking
One XClarity Controller network connector
Ethernet connectors on OCP 3.0 Ethernet adapter
Where to go for support
Link
QR Code
Lenovo Press
(Product guides and white
papers)
https://lenovopress.com/
Lenovo ThinkSystem forum
https://forums.lenovo.com/t5/Data
center-Systems/ct-p/sv_eg
Lenovo Support – SR645
(including drivers and software)
https://datacentersupport.lenovo.
com/us/en/products/servers/think
system/sr645/7d2x
Lenovo Product Security
Advisories
https://support.lenovo.com/us/en/
product_security/home
Lenovo ServerProven
(Compatibility information)
http://www.lenovo.com/us/en/serv
erproven/