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Intel® Server Board SDS2 Jumpers
Revision 1.2
Order Number: A85874-002
89
1 2
CLOSED = CMOS Clear
DEFAULT FUNCTION
OPEN
OPEN
OPEN
OPEN
OPEN
CLOSED = Password Disable
CLOSED = RSV
CLOSED = RSV
CLOSED = BIOS Recovery
5 6
7 8
9 10
21
3 4
11 12 CLOSED SPARE JUMPER
CN42
CN45
CLOSED = RSV
DEFAULT FUNCTION
OPEN
CN49
CLOSED = BMC Force Update
DEFAULT FUNCTION
OPEN
1 2
CN48
CLOSED = FRB3 Timer DisableOPEN
CPU Frequency Select
DEFAULT FUNCTION
OPEN CLOSED = RSV
5 6
7 8
9 10
21
3 4
11 12
OPEN CLOSED = RSV
CN591 2
CN46
OPEN = Protects BIOS boot block
DEFAULT FUNCTION
OPEN
1 2
CN47
OPEN = Protects BMC boot block
DEFAULT FUNCTION
OPEN
1 2
DEFAULT FUNCTION
CN50
CLOSED = Chassis Instrusion Disable
DEFAULT FUNCTION
CABLED
1 2
CPU Frequency Select
CPU Frequency Select
CPU Frequency Select
OPEN
OPEN
OPEN
OPEN
Figure 11. SDS2 Configuration Jumpers
Note: CN59 CPU Frequency Select jumper header pins are not installed on production FAB4
(PBA A58285-402 or –403) and FAB5 (PBA A58285-502)
The following figure details the locations of these jumpers.