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MNL-1595- QRG

Board Layout

SuperServer 2028R-C1R(T)4+ Quick Reference Guide

Rear View

CPU Installation 

Front View & Interface

Heatsink Installation 

1. Place heatsink on top of installed CPU

2. Line up the four screws to socket

3. Push down heatsink and screw down as shown 

    (cross pattern, in order: A, C, B, D)

4. NOTE: Only use 6-8 lb/f of torque; otherwise, hand-tighten 

    each screw, to avoid damaging the system

Memory

Caution

Align CPU to socket; 

install CPU straight down

         NOTE: 

Do not bend pin inside socket

!

Screw #B

Screw #D

Screw #A

Screw #C

PCI Expansion Slots

UID Button

VGA Port

LAN 1/2/3/4 Ports

1

2

3

4

Description

No.

USB 0/1/2/3 Ports

Dedicated LAN for IPMI

COM Port

Redundant Power Supply Modules

5

6

7

8

          SAFETY INFORMATION

IMPORTANT: See installation instructions and safety warning 

before  connecting system to power supply.

http://www.supermicro.com/about/policies/safety_information.cfm

          WARNING:

 

To reduce risk of electric shock/damage to equipment, 

disconnect power from server by disconnecting all power 

cords from electrical outlets.

If any CPU socket empty, install protective plastic CPU cap

          CAUTION:

 

Always be sure all power supplies for this system have

the same power output. If mixed power supplies are 

installed, the system will not operate.

For more information go to : 

http://www.supermicro.com/support

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T-SGPIO1

T-SGPIO2

JD

1

JS39

LEDS
6

LEDS
5

LEDM1

LE

2

LE1

FANB

FA

NA

FA

N4

FAN3

FAN2

FAN1

FA

N5

FAN6

JBT1

JIPMB1

SP1

JPS7

JPG1

JPLAN1

JPLAN2

JP

JI2C

2

JVRM
1

JPB1

JT

PM

1

JSD2

JSD1

JOH

1

JS

1

JPP0 JPP1

JPWR
2

JPWR
1

J2

4

JPI2C1

SAS 4~7 (3.0

)

SAS 0~3 (3.0)

P1-DIMMD

3

P1-DIMMD

2

P1-DIMMD

1

P1-DIMMC

3

P1-DIMMC

2

P1-DIMMB

3

P1-DIMMB

2

P1-DIMMB

1

P1

-DI

M

M

A3

P1

-DI

M

M

A2

P2-DIMMH

3

P2-DIMMH

2

P2-DIMMH

1

P2-DIMMG

3

P2-DIMMG

2

P2-DIMMF

3

P2-DIMMF

2

P2-DIMMF

1

P2-DIMME

3

P2-DIMME

2

USB 7/8 (3.0

)

USB 0/1

P1-DIMMC

1

P1

-DI

M

M

A1

CPU2 SL

OT6 PCI-E 3.0 X8

CPU2 SL

OT5 PCI-E 3.0 X1

6

CPU2 SL

OT4 PCI-E 2.0 X4 IN X8

JL

1

S-S

ATA

0

CPU1 SL

OT3 PCI-E 3.0 X1

6

S-S

ATA

1

S-S

ATA

2

CPU2 SL

OT2 PCI-E 3.0 X8

S-S

ATA

3

I-SA

TA0

I-SA

TA3

I-S

ATA4

I-SA

TA1

CPU2 SL

OT1 PCI-E 3.0 X8

CO

M2

I-S

ATA5

UID

LAN3/4

LAN1/2

IPMI_LAN

COM1

CPU2

CPU1

P2-DIMME

1

P2-DIMMG

1

I-SA

TA2

JI2C

1

CLOSE 1st

OPEN 1st

CLOSE 1st

OPEN 1st

USB 6 (3.0

)

BIOS

USB2/3

S-SGPIO1

X10DRC/i-LN4+(-T4+)

 

BMC

LAN CTRL

LSI 3108

SAS CTRL

Intel PCH

USB4/5

(3.0)

JBAT1

TPM/POR

T80

JUIDB1

Front CTRL Panel

JF

1

FANC

JVRM
2

JSTBY1

1

LAN CTRL

13

12

Description

No.

CPU2 Slot1 PCI-E 3.0 x8

CPU2 Slot2 PCI-E 3.0 x8

CPU1 Slot3 PCI-E 3.0 x16

CPU2 Slot4 PCI-E 2.0 x4 (in x8)

CPU2 Slot5 PCI-E 3.0 x16

CPU2 Slot6 PCI-E 3.0 x8

DIMME1(Blue)/DIMME2/DIMME3 slot

DIMMF1(Blue)/DIMMF2/DIMMF3 slot 

CPU2

DIMMH1(Blue)/DIMMH2/DIMMH3 slot

DIMMG1(Blue)/DIMMG2/DIMMG3 slot

DIMMA1(Blue)/DIMMA2/DIMMA3 slot

DIMMB1(Blue)/DIMMB2/DIMMB3 slot

CPU1 (Install CP1 first)

DIMMD1(Blue)/DIMMD2/DIMMD3 slot

DIMMC1(Blue)/DIMMC2/DIMMC3 slot

SAS 0~3 & SAS 4~7: SAS 3.0 connections supported by the LSI 3108 controlller

JBT1: Clear CMOS

JSD1: SATA DOM (Device on Module) Power Connectors

(I-)SATA 0~5: SATA 3.0 supported by Intel PCH (I-SATA 0~5)

(S)SATA 0~3: SATA 3.0 supported by Intel SCU (S-SATA 0~3)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

16

15

14

19

17

18

21

1

2

3

4

5

6

7

8

10

11

9

20

Beep Code/LED

Error Message

Description

1 beep

Refresh

Ready to boot

5 short beeps + 1 long beep

Memory error

No memory detected in the system

5 beeps

No Con-In or No Con-

Out devices

Con-In includes USB or PS/2 keyboard, PC or 

Serial Console Redirection, IPMI KVM or SOL.

Con-Out includes Video Controller, PCI or Serial  

Console Redirection, IPMI SOL 

1 beep per device

Refresh

1 beep or each USB device detected

Beep Codes

Hard Drive Signal
Hard Drive Fail
Power Button
Reset Button
Device Activity LED
LAN1 LED
Overheat & Fan Fail LED
Power LED
LAN2 LED
Power Failure LED

1

2

3

4

5

6

7

8

9

10

Description

No.

3

4

5
6

7

2

1

8
9

10

1

3

8

2

4

5

6

7

 HDD0~7

 HDD8~15

Type

Ranks Per 

DIMM and 

Data Width

DIMM Capacity 

(GB)

Speed (MT/s); Voltage (V);

Slot Per Channel (SPC) and DIMM Per Channel (DPC)

1 Slot Per 

Channel

2 Slots Per 

Channel

3 Slots Per 

Channel

1DPC

1DPC

2DPC

1DPC

2DPC

3DPC

4Gb

8Gb

1.2V

1.2V

1.2V

1.2V

1.2V

1.2V

SRx4

8GB

16GB

2133

2133

1866

2133

1866

1600

SRx8

4GB

8GB

2133

2133

1866

2133

1866

1600

DRx8

8GB

16GB

2133

2133

1866

2133

1866

1600

DRx4

16GB 32GB

2133

2133

1866

2133

1866

1600

QRx4

32GB 64GB

2133

2133

2133

2133

2133

1600

8Rx4

64GB 128GB

2133

2133

2133

2133

2133

1600

DIMM Module Population Con

guration

RDIMM
RDIMM
RDIMM
RDIMM
LRDIMM

LRDIMM2DS

DDR4 Memory POR for Haswell-EP

Processor and Memory Module Population for Optimal Performance

Number of

CPUs+DIMMs

(For memory to work properly, please follow the instructions below.)

1 CPU &

2 DIMMs 

CPU1

P1-DIMMA1/P1-DIMMB1

1 CPU &

4 DIMMs 

CPU1

P1-DIMMA1/P1-DIMMB1, P1-DIMMC1/P1-DIMMD1

1 CPU &

5~8 DIMMs 

CPU1

P1-DIMMA1/P1-DIMMB1, P1-DIMMC1/P1- Any memory pairs in P1-

DIMMA2/P1-DIMMB2/P1-DIMMC2/P1-DIMMD2 slots

2 CPUs &

4 DIMMs 

CPU1 + CPU2

P1-DIMMA1/P1-DIMMB1, P2-DIMME1/P2-DIMMF1

2 CPUs &

6 DIMMs 

CPU1 + CPU2

P1-DIMMA1/P1-DIMMB1/P1-DIMMC1/P1-DIMMD1, P2-DIMME1/P2-DIMMF1

2 CPUs &

8 DIMMs 

CPU1 + CPU2

P1-DIMMA1/P1-DIMMB1/P1-DIMMC1/P1-DIMMD1, P2-DIMME1/P2-DIMMF1/P2-DIMMG1/P2-DIMMH1

2 CPUs &

8~16 DIMMs 

CPU1/CPU2

P1-DIMMA1/P1-DIMMB1/P1-DIMMC1/P1-DIMMD1, P2-DIMME1/P2-DIMMF1/P2-DIMMG1/

P2- Any memory pairs in P1, P2 DIMM slots

2 CPUs &

16 DIMMs

CPU1/CPU2

P1-DIMMA1/P1-DIMMB1/P1-DIMMC1/P1-DIMMD1, P2-DIMME1/P2-DIMMF1/P2-DIMMG1/P2-DIMMH1,

P1-DIMMA2/P1-DIMMB2/P1-DIMMC2/P1-DIMMD2, P2-DIMME2/P2-DIMMF2/P2-DIMMG2/P2-DIMMH2

2 CPUs &

16~24 DIMMs

CPU1/CPU2

P1-DIMMA1/P1-DIMMB1/P1-DIMMC1/P1-DIMMD1, P2-DIMME1/P2-DIMMF1/P2-DIMMG1/P2-DIMMH1,

P1-DIMMA2/P1-DIMMB2/P1-DIMMC2/P1-DIMMD2, P2-DIMME2/P2-DIMMF2/P2-DIMMG2/P2-DIMMH2, 

P1-DIMMA3/P1-DIMMB3/P1-DIMMC3/P1-DIMMD3, P2-DIMME3/P2-DIMMF3/P2-DIMMG3/P2-DIMMH3

Processors and their Corresponding Memory Modules

CPU#

Corresponding DIMM Modules

CPU 1
CPU 2

A1

E1

A2

E2

A3

E3

B1

F1

B2

F2

B3

F3

C1

G1

C2

G2

C3

G3

D1

H1

D2

H2

D3

H3

ÌMNL-1595-QRG=Î

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