Supermicro CSE-747TQ-R1400B Bedienungsanleitung PDF herunterladen (Seite 72)

C-4

SC747 Chassis Manual

C-6 Front Connector and Pin Denitions

4. MG9072 Chip

The MG9072 is an enclosure management

chip that supports the SES-2 controller and

SES-2 protocols.

2. I

2

C Connectors

The I

2

C connectors, designated JP37 and

JP95, are used to monitor HDD activity and

status. See the table on the right for pin de-

nitions.

I

2

C Connector

Pin Denitions

Pin# Denition

1 Data

2 Ground

3 Clock

4 No Connection

1. Upgrade Connector

The upgrade connector, designated JP69, is

used for manufacturer's diagnostic purposes

only.

3. Sideband Headers

The sideband headers are designated JP66

and JP68. For SES-2 to work properly, you

must connect an 8-pin sideband cable. See the

table to the right for pin denitions.

NOTE: SGPIO is the default setting for this

backplane.

Sideband Headers

Pin # Denition Pin # Denition

2 SGPIO:

SDIN

I

2

C:

Backplane

Addressing

(SB5)

1 Controller ID

(SB6)

4 SGPIO:

SDOUT

I

2

C: Reset

(SB4)

3 GND (SB2)

6 GND (SB3) 5 SGPIO:

SLOAD

I

2

C:SDA (SB1)

8 Backplane

ID (SB7)

7 SGPIO:

SCLOCK

I

2

C:SCL (SB0)

10 No Connec-

tion

9 No Connection

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 78 79 80

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