Mechanical Considerations; Form Factor - Intel CoreTM 2 Duo Processor User Manual

Table 17. Jumper Block Locations (Sheet 3 of 3)
Location Jumper/Header Name
EE PCI SMBUS Segment Header
FF Write Protect Jumper
Board EEPROM SMBUS
GG
Segment
HH No Reboot Jumper
II Wake Event Header
JJ Top Swap Jumper
KK BIOS Destination Jumper
Watch Dog Timer (WDT) Board
LL
Reset
MM Intruder Detect Header
NN 5.0 V Header
OO Enable Video Jumper
3.8

Mechanical Considerations

3.8.1

Form Factor

The CRB is designed to fit into an ATX-form-factor chassis.
mechanical form factor for the CRB. Dimensions are given in inches. The outer
dimensions are 10.75 inches by 12 inches, which means that the CRB is actually about
an inch longer in depth measuring from the back panel across. Location of the I/O
connectors and mounting holes correlate with the ATX specification.
User's Manual
46
Ref Des
SMBUS Access Header
J2G5
1-2: Not Write Protected
J2G1
Open: Write Protected
SMBUS Access Header
J2G4
J4D2
Wake Event Header
J4D1
J3D2
J3D1
1-2: WDT Triggers Board Reset
J3C1
Open: WDT Triggers LED Only
Optional Intruder Switch Header
J3B2 1: MICH_INTRUDER HDR_N
J1A2
Enable on Board Video
J2A1
Description
1: SMB_DATA
2: GND
3: SMB_CLK
1: SMB_DATA
2: GND
3: SMB_CLK
1-2: No Reboot
Open: Normal
1: FP_SLP_HDR_N
2: Ground
1-2: A16 Top Swap
Open: Normal
1-2: Offset
Open: Normal
2: GND
1: Ground
2: 5.0 V
1-2: Enable
Open: Disable
Figure 35
Order Number: 316639-002
Technical Reference
Default
Position
Open
Do not short
Open
Open
Do not short
Open
Open
Do not short
Open
Open
Open
Open
Do not short
Open
Do not short
1-2
illustrates the
June 2007