Jumper Block Locations - Intel Xeon LV User Manual

Technical Reference
Table 17. Jumper Block Locations (Sheet 1 of 3)
Location Jumper/Header Name
D CMOS Clear Jumper
FSB Clock Frequency Override
X
(Host Clock Jumper)
®
Intel 3100 Chipset PLLSEL0
F
Jumper
OO Enable Video Jumper
M Processor Fan Override Jumper
®
Intel 3100 Chipset Fan
T
Override Jumper
FWH VPP Jumper (validation
CC
Only)
N CPU0 VID Override Jumper
CPU0 VID Jumper
N
Short = 0; Open = 1
®
Intel 3100 Chipset internal
E
1.5 VR enable
Software Configuration Port
H
Address Jumper
G Test Mode Jumper
JJ Top Swap Jumper
KK BIOS Destination Jumper
DD Top Block Lock Jumper
Watch Dog Timer (WDT) Board
LL
Reset
HH No Reboot Jumper
S V Voltage Select Jumper
CCA
January 2007
Order Number: 315879-002
Ref Des
J4C3
J4G2 Open
1-2
J7A3
Open
Enable on Board Video
J2A1
J8H1
Open: Heceta* Controlled
J7G2
Open: Heceta* Controlled
J2H2
J8J1
VID[5] VID[4]
J8J2
1-2 3-4
1-2: Disable Intel
J4C5
Open: Enable Intel
J7B2
J7B1
J3D2
J3D1
1-2: FWH Top Block Lock
J1G1
1-2: WDT Triggers Board Reset
J3C1
Open: WDT Triggers LED Only
J4D2
1-2: CPU_VCCA = 1.5 V
J7G3
2: CPU_VCCA = 1.8 V
Dual-Core Intel® Xeon® Processor LV and Intel
Description
Clears CMOS
1-2: Normal
2-3: Clear
166 MHz
133 MHz
100 MHz
1-2: Enable
Open: Disable
1-2: Full Speed
1-2: Full Speed
1-2: Normal
Open: N/A
Manual VID Select
1-2: Manual Select
Open: CPU Select
VID[3] VID[2] VID[1]
5-6 7-8 9-10
®
3100 Chipset 1.5 V VR
®
3100 Chipset 1.5 V VR
1-2: 0x2E / 0x2F
Open: 0x4E / 0x4F
1-2: Test Mode
Open: Normal
1-2: A16 Top Swap
Open: Normal
1-2: Offset
Open: Normal
Open: Normal
1-2: No Reboot
Open: Normal
Default
Position
1-2
2-3
Open
1-2
1-2
1-2
1-2
Open
VID[0]
Open
11-12
Open
Open
Open
Open
Open
Open
Open
Open
Open
®
3100 Chipset
User's Manual
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