Supermicro Blade SBI-621E-1NE38 handleiding

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Chapter 3: Motherboard Connections Chapter 3: Motherboard Connections

JBT1 contact pads

CMOS Clear Contacts

JBT1 is used to clear CMOS. Instead of pins, this jumper consists of contact pads. See the

CMOS Clear section for more information.

3.2 Jumpers

Explanation of Jumpers

To modify the operation of the motherboard, jumpers are used to choose between optional

settings. Jumpers create shorts between two pins to change the function associated with it.

Pin 1 is identied with a square solder pad on the printed circuit board. See the motherboard

layout page for jumper locations.

Note: On a two-pin jumper, "Closed" means the jumper is on both pins and "Open" indicates

the jumper is either on only one pin or has been completely removed.

Connector

Pins

Jumper

Setting

3 2 1

Watch Dog

JWD1 controls the Watch Dog function. Watch Dog is a monitor that can reboot the system

when a software application hangs. Jumping pins 1-2 will cause Watch Dog to reset the

system if an application hangs. Jumping pins 2-3 will generate a non-maskable interrupt

signal for the application that hangs. Watch Dog must also be enabled in BIOS. The default

setting is Reset. Note: When Watch Dog is enabled, the user must write their own application

software to disable it.

Watch Dog

Jumper Settings

Jumper Setting Denition

Pins 1-2 Reset

Pins 2-3 NMI

Open Disabled

RAID Key Header

An Intel VROC RAID Key header is located at JRK1. It supports VMD used in creating optional

advanced NVMe RAID congurations.

RAID Key Header

Pin Denitions

Pin# Denition

1 Ground

2 RAID_KEY_PU

3 Ground

4 PCH_RAID_KEY

VROC Key

Header (JRK1)

Note: This drawing is

for illustration only. Your

motherboard may look

di󰀨erent.

M.2 Slot

The motherboard has one PCIe 5.0 M.2 slot, which is located at JM2-1. It is only usable with

a third party converter. It supports PCIe 5.0 x4 M.2 NVMe SSDs in the 2280 form factor.

KVM Support

A KVM support connector is located at JKVM1. This connector provides keyboard, video

display, and mouse connections.

MCIO Connectors

Four PCIe 5.0 x8 Mini Cool Edge IO (MCIO) connectors 5/6/7/8 are located at JMCIO5 –

JMCIO8. These connectors can be used for GPU/AIOM (Advanced IO Module) riser cards.

Universal Serial Bus (USB) 3.0 Header

A USB connector that supports two USB 3.0 ports (Port 3/Port 4) is located at JUSB1. These

USB headers require optional cables.

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