1

 

 

2

 

 

3

3

 

 

2

 

 

1

 

 

1

 

 

2

 

 

3

1

1

 

2

2

 

3

3

 

Figure 9. Jumper blocks on the system board

Table 5. Jumper block settings

 

 

Jumper

 

 

 

 

 

block

Pin position

Description

 

 

 

 

 

 

 

 

 

J8B5:

Pins 1-2

These pins should have a jumper in place for normal system operation (default).

 

1

 

 

ME Force

 

 

 

Pins 2-3

ME force update model.

 

Update

 

 

 

 

 

 

 

 

 

J8C1:

Pins 1-2

BMC Firmware Force Update Mode – Disabled (default)

 

2

 

 

BMC force

 

 

 

Pins 2-3

BMC Firmware Force Update Mode – Enabled

 

update

 

 

 

 

 

 

 

 

 

J1A1:

Pins 1-2

These pins should have a jumper in place for normal system operation (default).

 

3

 

 

BIOS

 

 

 

Pins 2-3

The main system BIOS will not boot with these pins jumpered. The system will boot

 

recovery

 

 

from a bootable recovery media with a recovery BIOS image.

 

 

 

 

 

 

 

 

 

 

 

J2D2:

Pins 1-2

These pins should have a jumper in place for normal system operation (default).

 

4

 

 

CMOS clear

 

 

 

Pins 2-3

If these pins are jumpered, the CMOS settings will be cleared on the next reset.

 

 

 

 

 

 

 

 

 

These pins should not be jumpered for normal operation.

 

 

 

 

 

 

J2D1:

Pins 1-2

These pins should have a jumper in place for normal system operation (default).

 

5

 

 

 

Password

 

 

 

 

 

Pins 2-3

If these pins are jumpered, administrator and user passwords will be cleared on the

 

clear

 

 

next reset. These pins should not be jumpered for normal operation.

 

 

 

 

 

 

 

 

 

 

 

36ThinkServer TD230 Hardware Maintenance Manual

Page 42
Image 42
Lenovo TD230 manual Jumper Block Pin position Description