Lenovo ThinkServer TS450, User Manual And Hardware Maintenance Manual

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18 Front panel connector
Used to connect the front panel board.
19 Front USB 3.0 connector
Used to connect the front USB cable.
20 21 USB 2.0 connectors
Used to connect the signal cable for the RDX tape drive or the SD module.
22 Clear CMOS jumper
Used to clear CMOS and turn the BIOS settings into the factory default settings.
Note: Clearing CMOS does not erase your BIOS passwords.
To clear CMOS, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. Remove the server cover. See “Preparing your server in advance and removing the server cover”
on page 53.
3. Lay the server on its side for easier operation.
4. Locate the Clear CMOS jumper on the system board.
5. Move the Clear CMOS jumper from the default normal position (pin 1 and pin 2) to the short-circuited
position (pin 2 and pin 3).
6. Reconnect the server to an ac power source and turn on the server. Then, wait more than 10 seconds.
7. When you hear beeps, turn off the server. Then, move the Clear CMOS jumper back to the normal
position (pin 1 and pin 2).
8. Reinstall the server cover and connect the power cords. See “Completing the parts replacement” on
page 118.
9. Connect the server to an ac power source and turn on the server. The clearing CMOS process is
completed.
23
HDD LED connector
Used to connect cable from the HDD status LED on the front panel.
24 25 26 27 PCIe slots
Slot
Physical slot size Negotiable link bandwidth
Supported card length
and height
24
PCIe slot 4 x1 x1 Full-length, full height
25
PCIe slot 3 x16 x4, x1 Full-length, full height
26
PCIe slot 2 x1 x1 Full-length, full height
27
PCIe slot 1
x 16 x8, x4, x1
Full-length, full height
32
ThinkServer TS450 User Guide and Hardware Maintenance Manual