342 |Jumpers and Connectors
Direct Backplane Jumper Settings
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came with
the product.
The function of jumpers installed on 3.5" HDD direct backplane and 2.5"
HDD direct backplane is the same. Following is an example using the
jumpers installed on 3.5" HDD direct backplane.
Figure 5-20. Jumper Installed on Direct Backplane
Table 5-3. Jumpers Installed on Direct Backplane
Jumper
Function
Off
On
SW1 (pin1-2)
Reserved
*Disable
Enable
SW2 (pin3-4)
Reserved
*Disable
Enable
SW3 (pin5-6)
SGPIO I2C Select
*Disable
Enable
SW4 (pin7-8)
MFG Test
*Disable
Enable