Jumper Block Locations - Intel CoreTM 2 Duo Processor User Manual

Table 17. Jumper Block Locations (Sheet 1 of 3)
Location Jumper/Header Name
A 3.3 V Header
B 5.0 V Standby Header
C 1.5 V Header
D CMOS Clear Jumper
®
Intel 3100 Chipset internal
E
1.5 VR enable
®
Intel 3100 Chipset BSEL
F
Jumper
G Test Mode Jumper
Software Configuration Port
H
Address Jumper
®
Intel 3100 Chipset DDR V
I
Header (validation Only)
DDR DIMM Vref Header
J
(validation Only)
®
Intel 3100 Chipset Thermal
K
Diode Header
Processor Thermal Diode
L
Header
M Processor Fan Override Jumper
N1 CPU0 VID Override Jumper
CPU0 VID Jumper
N2
Short = 0; Open = 1
User's Manual
44
Ref Des
J1A1
J3A1
J4C2
J4C3
1-2: Disable Intel
J4C5
Open: Enable Intel
J7C4
J7B1
J7B2
REF
J7C1
J7C2
Access to Intel
J7G3
J7G4
J8H1
J8J1
J8J4
Description
1: Ground
2: 3.3 V
1: Ground
2: 5.0 V Standby
1: 1.5 V
2: Ground
Clears CMOS
1-2: Normal
2-3: Clear
®
3100 Chipset 1.5 V VR
®
3100 Chipset 1.5 V VR
1-2: 133 MHz
Open: 167 MHz
1-2: Test Mode
Open: Normal
1-2: 0x2E / 0x2F
Open: 0x4E / 0x4F
Access to DDR V
REF
1: DDR_MICH_VREF
2: Ground
Access to DDR_DIMM_VREF
1: DDR_DIMM_VREF
2: Ground
®
3100 Chipset Thermal Diode
1: MICH_THRM_DC
2: MICH_THRM_DA
3: Ground
Access to CPU Thermal Diode
1: CPU_THRM_DC
2: CPU_THRM_DA
3: Ground
1-2: Full Speed
Open: Heceta* Controlled
Manual VID Select
1-2: Manual Select
Open: CPU Select
VID[0] = 1-2
VID[1] = 3-4
VID[2] = 5-6
VID[3] = 7-8
VID[4] = 9-10
VID[5] = 11-12
VID[6] = 13-14
Technical Reference
Default
Position
Open
Do not short
Open
Do not short
Open
Do not short
1-2
Open
1-2
Open
Open
Open
Do not short
Open
Do not short
Open
Do not short
Open
Do not short
1-2
Open
Open
June 2007
Order Number: 316639-002