Lenovo Flex System x240 M5 Руководство по эксплуатации - Страница 21
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Internal tape drives
The server does not support an internal tape drive. However, it can be attached to external tape drives by using
Fibre Channel connectivity.
Optical drives
The server does not support an internal optical drive option, however, you can connect an external USB optical
drive. See
http://support.lenovo.com/en/documents/pd011281
for information about available external optical
drives from Lenovo. Alternatively, use the remote media feature of the IMMv2 and the Chassis Management
Module.
Note: The USB port on the compute nodes supplies up to 0.5 A at 5 V. For devices that require more power,
another power source is required.
I/O expansion options
The x240 M5 has two I/O expansion connectors for attaching I/O adapter cards. There is a third expansion
connector that is designed to connect an expansion node, such as the Storage Expansion Node. The I/O
expansion connectors use a high-density, 216-pin PCIe connection. Installing I/O adapter cards allows the
server to connect with switch modules in the chassis. Each slot has a PCI Express 3.0 x16 host interface and
both slots support the same form-factor adapters.
The following figure shows the location of the I/O expansion connectors.
Figure 7. Location of the I/O adapter slots in the Flex System x240 M5 Compute Node
All I/O adapters are the same shape and can be used in any available slot.. A compatible switch or pass-through
module must be installed in the corresponding I/O bays in the chassis, as indicated in the following table.
Installing two switches means that all ports of the adapter are enabled, which improves performance and
network availability.
Table 17. Adapter to I/O bay correspondence
Lenovo Flex System x240 M5 (E5-2600 v4)
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