Dual-Core Intel Xeon processor LV / E7520 Chipset / 6300ESB ICH

6.4Jumpers

The evaluation board has a number of jumpers that control various functions of the system.

Table 16 presents the descriptions of the jumpers and their settings.

Figure 22 illustrates the locations of the jumpers on the board.

Table 16.

Jumpers and Jumper Functions

 

 

 

 

 

 

 

 

Jumper

Function / Default Setting

 

Comments

 

 

 

 

 

 

J9E2

ITP Mode / 1-2 and 3-4

2-4

= UP

 

1-2 and 3-4 = DP

 

 

 

 

 

 

 

 

 

J7K2

CPU 0 Fan Override / 1-2

 

 

 

 

 

 

 

 

J6K1

CPU 1 Fan Override / 1-2

 

 

 

 

 

 

 

 

J4G1

Clear CMOS / 1-2

1-2

= Normal use

 

2-3

= Clear CMOS

 

 

 

 

 

 

 

 

 

J3K1

CPU1 VIDs / 1.325 V (one jumper on position 5)

 

 

 

 

 

 

 

 

J4A1

5 VAUX enable / 1-2

 

 

 

J4B1

3.3 VAUX Enable / 1-2

 

 

 

J8E1

S3 Enable / 1-2

 

 

 

 

 

 

 

J4F6

Memory PLL0 / 1-2

Valid for both FSB speeds

 

 

 

 

 

J3J1

CPU BSEL 0 / Open

Open = 667 MT/s

 

2-3

= 533 MT/s

 

 

 

 

 

 

 

 

 

Dual-Core Intel® Xeon® processor LV with Intel® E7520 Chipset and Intel® 6300ESB ICH

April 2007

User’s Manual

Order Number: 311274-009

51

Page 51
Image 51
Intel E7520 user manual Jumpers and Jumper Functions