Laptop User Manual

Dual-Core Intel
®
Xeon
®
processor LV with Intel
®
E7520 Chipset and Intel
®
6300ESB ICH
April 2007 User’s Manual
Order Number: 311274-009 51
Dual-Core Intel Xeon processor LV / E7520 Chipset / 6300ESB ICH
6.4 Jumpers
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 V
AUX
enable / 1-2
J4B1 3.3 V
AUX
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