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Intel Xeon User Manual

Page 23

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Intel

®

Xeon™ Processor, Intel

®

E7520 Chipset, Intel

®

6300ESB ICH Development Kit User’s Manual

23

Jumpers and Headers

FSB Clock Frequency

Override

(Host Clock Jumpers)

BSEL1: J4H4

BSEL0: J4J3

BSEL0

BSEL1

SPEED

BSEL0: 1-2

BSEL1: 1-2

1-2

1-2

Normal

2-3

2-3

RSVD

2-3

Open

133 MHz

Open

Open

167 MHz

Open

1-2

200 MHz

SMI Inject

J4H5

Inject SMI Signal

Do Not Install Jumper

Open

FORCEPR0 inject

J4H6

Inject FORCEPR0 Signal

Do Not Install Jumper

Open

STPCLK Inject

J4J1

Inject STPCLK Signal

Do Not Install Jumper

Open

FORCEPR1 inject

J4J2

Inject FORCEPR1 Signal

Do Not Install Jumper

Open

CPU1 Present Override

J4J5

Override VRM disable if CPU1 is not present

1-2: Override

Open: Normal

Open

BSEL Match Override

J4J7

Override VRM disable if BSELs do not match

1-2: Override

Open: Normal

Open

CPU1 VID

J4K1

1-2: VID[5]

3-4: VID[4]

5-6: VID[3]

7-8: VID[2]

9-10: VID[1]

11-12: VID[0]

As

Required

CPU1 VID Override

J4K2

Manual VID select

1-2: Manual select

Open: CPU select

Open

MCH SMBus Header

J5D3

Access to MCH SMbus

Do not install Jumper

1: MCH _SMBDAT

2. Ground

3. MCH_SMBCLK

Open

PLLS0

J5E112

See MCH Documentation for alternative Gear
Ratios for MCH FSB/Memory

Short

Intel

®

6300ESB I/O

Controller Top Swap (FWH

Memory Swap)

J5F1

Intel 6300ESB I/O Controller Top Swap

1-2: Top Swap

Open: Normal

Open

PLLS1

J5F113

See MCH Documentation for alternative Gear
Ratios for MCH FSB/Memory

Short

Table 4.

Jumper Settings (Sheet 2 of 3)

Jumper Name

Ref Des

Description/Settings

Default

Position

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