Lenovo Storage N3310 (English) User Guide and Hardware Maintenance Manual - Le - Page 39

System board jumpers, Backplane power connector, System fan connector, Memory slots

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14 15 Backplane power connector Used to connect to the 10-pin power connector on the backplane. 16 18 20 23 24 26 System fan connector Used to connect a system fan. 17 21 22 27 Memory slots There are 16 memory slots on the system board. For detailed information, see "Memory module installation rules" on page 48. 19 Microprocessor 2 socket 25 Microprocessor 1 socket If the storage product has two microprocessors, each of the microprocessor is secured in the microprocessor socket on the system board and a heat sink is installed above the microprocessor to provide cooling. If the storage product has only one microprocessor, the microprocessor socket 2 is protected by a microprocessor socket cover. System board jumpers The following illustration shows the jumpers on the system board of your storage product. Figure 10. System board jumpers 1 Jumper cap storage 3 BIOS default settings jumper 2 BIOS recovery jumper 4 Clear password jumper Attention: To set the jumpers, remove the storage product cover and gain access to the system board first. Do not open your storage product or attempt any repair before reading and understanding "Safety information" on page iii and "Guidelines" on page 41. Chapter 3. Product overview 25

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14
15
Backplane power connector
Used to connect to the 10-pin power connector on the backplane.
16
18
20
23
24
26
System fan connector
Used to connect a system fan.
17
21
22
27
Memory slots
Thereare16memoryslotsonthesystemboard.Fordetailedinformation,see“Memorymoduleinstallation
rules” on page 48.
19
Microprocessor 2 socket
25
Microprocessor 1 socket
Ifthestorageproducthastwomicroprocessors,eachofthemicroprocessorissecuredinthemicroprocessor
socketonthesystemboardandaheatsinkisinstalledabovethemicroprocessortoprovidecooling.Ifthe
storageproducthasonlyonemicroprocessor,themicroprocessorsocket2isprotectedbyamicroprocessor
socket cover.
System board jumpers
Thefollowingillustrationshowsthejumpersonthesystemboardofyourstorageproduct.
Figure10.Systemboardjumpers
1
Jumper cap storage
2
BIOS recovery jumper
3
BIOS default settings jumper
4
Clear password jumper
Attention:
To set the jumpers, remove the storage product cover and gain access to the system board
first. Do not open your storage product or attempt any repair before reading and understanding “Safety
information” on page iii and “Guidelines” on page 41.
Chapter 3
.
Product overview
25