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22 Intel
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Xeon™ Processor, Intel
®
E7520 Chipset, Intel
®
6300ESB ICH Development Kit User’s Manual
Jumpers and Headers
Table 4. Jumper Settings (Sheet 1 of 3)
Jumper Name Ref Des Description/Settings
Default
Position
3.3V Aux Enable J1A1
Enables 3.3 V AUX
1-2: Enable 3.3 V AUX for wake events
Open: 3.3 V Operation Only
1-2
Enable PXH J2G2
Enable PXH
1-2: Enable
Open: Disable
1-2
No Reboot J2G3
Prevents the system from rebooting following
a reset from Intel 6300ESB I/O Controller
1-2: No Reboot
Open: Normal
Open
Enable Super I/O Chip J2J1
Enable on SIO
1-2: Enable
Open: Disable
1-2
5V Aux Enable J3A1
Enables 5 V AUX
1-2: Enable 5 V VAUX for wake events
Open: 3.3 V Operation Only
1-2
CPU0 Present Override J2H114
Override VRM disable if no CPU0 installed
1-2 Override
Open : Normal
Open
Enable Video J4A1
Enable on Board video
1-2: Enable
Open: Disable
1-2
(not
populated)
ICH WDT Output
J3J1
LED Control
1-2 : Illuminate LED CR4J1 when EDT expires
1-2
J3J2
Reset Control
1-2 : Reset board when WDT Expires
1-2
ICH VSWING Header J4G5
Access to ICH VSWING pin
Do not Install Jumper
Open
ICH VREF Header J4G6
Access to ICH VREF pin
Do not Install Jumper
Open
PCI SMBus Header J4H1
Access to PCI SMbus
Do not install Jumper
1: PCI _SMBDAT
2. Ground
3. PCI_SMBCLK
Open
DDR SMBus Header J4H3
Access to DDR SMbus
Do not install Jumper
1: DIMM _SMBDAT
2. Ground
3. DIMM_SMBCLK
Open