Lenovo 70B4, User Manual And Hardware Maintenance Manual

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24 Internal USB Type A connector
Used to connect a device that uses a USB Type A connector. For example, in some situations, you might
want to connect a USB key directly to the system board. In this case, you can connect it to an internal
USB Type A connector.
25 TMM Premium connector
Used to connect a server option named ThinkServer Management Module Premium (TMM Premium) to
enable advanced remote management functions on your server. See “Installing or removing the ThinkServer
Management Module Premium” on page 121.
26 TPM connector
Used to connect a ThinkServer Trusted Platform Module (TPM), which is a security chip, to enhance server
security. See “Installing or removing the ThinkServer Trusted Platform Module” on page 124.
27 Intelligent Diagnostics Module connector
Used to connect the cable of the Intelligent Diagnostics Module.
28 Front panel connector
Used to connect the front panel cable.
29 Internal USB connector 5-6
30
Internal USB connector 7-8
Used to connect the front panel USB cables.
31 System board battery
Your server has a special type of memory that maintains the date, time, and configuration information for
built-in features. The system board battery keeps the information active when you turn off the server.
33 PCI card slot (PCI slot 1)
Used to install a standard 32-bit 33 MHz PCI card with 167 mm (6.57 inches) in length.
34 PCI Express x8 card slot (PCI-E slot 2)
This PCI card slot supports a PCI Express x8 card (negotiable link width x4) with 167 mm (6.57 inches) in
length, such as an Ethernet card.
35 PCI Express x8 card slot (PCI-E slot 3)
This PCI card slot supports a PCI Express x8 card with 167 mm (6.57 inches) in length, such as an Ethernet
card.
Chapter 3
.
Product overview
51