© 2012 Supermicro Computer Inc. All rights reserved. Reproduction of this document whether in part or in whole is strictly prohibited without Supermicro's written
consent. All Trademarks are property of their respective entities. All information provided is deemed accurate at the time of printing; however, it is not guaranteed.
DIMM4
FAN2
FAN3
FAN1
JI2C1
JI2C2
JWOR
JPL1
J47
JF1
FAN4
JP3
JWD
JLED
Battery
J27
J40
DIMM3
DIMM2
DIMM1
DIMM1A
DIMM2A
DIMM1B
DIMM2B
I-SATA4
I-SATA5
WO
Speaker
COM1
KB/MOUSE
CPU Fan
J28
J30
VGA
J31
JG1
USB
3/4/5/6
J43
USB 1/2
J11
LAN
J46
Fan5
Audio
J41
4-Pin PWR
Processor
Slot7 PCI-E x1
Slot6 PCI-E x16
J7
J1
J8
Slot5 PCI-E x4
PCI4
Slot4 PCI-33MHz (for C2SBA+ and C2SBA+II only)
JP5
PCI3
Slot3 PCI-33MHz
JP2
PCI2
Slot2 PCI-33MHz
J9
Buzzer
SPKR1
Slot1 PCI-33MHz
PCI1
J12
WOL
J3
IDE#2
J10
IDE#1
J48
J44
FP USB 7/8
FP USB 9/10
J45
JS2
JS1
I-SATA0
I-SATA1
JS5
JS6
JL1
LE1
Intel G33
North Bridge
South Bridge
Intel ICH9
24-pin ATX PWR
Audio CTRL
CD-IN
CD1
J13
COM2
Front Audio
W83627DHG
Floppy
S I/O
IDE CTRL
ITE 8212
Audio Enabled
Front-Access USB 11Front-Access USB 12
JS4
JS3
I-SATA2
I-SATA3
JPUSB1
JKB
JPUSB2
GLAN CTRL
JBT1
Parallel Port
BIOS
This motherboard supports up to 8 GB of Unbuffered (UDIMM) DDR2 Non-ECC
800/677 MHz memory in 4 memory slots.
Note: For memory optimization, use only DIMM modules that have been
validated by Supermicro. For the latest memory updates, please refer to our
website at http://www.supermicro.com/products/motherboard.
Item # Jumper Description Default
41 JBT1 CMOS Clear See Chapter 2 in User Manual
36 JKB Keyboard Enabled Pins 1-2 (Enabled)
38 JI2C1, JI2C2 SMB to PCI Slots Open/Open (Disabled)
14 JP2 ITE IDE Enabled
(not available for C2SBE)
Pins 1-2 (Enabled)
30 JP3 TPM Enabled (not available for C2SBE) Pins 1-2 (Enabled)
10 JP5 Audio Enabled Pins 1-2 (Enabled)
40 JPL1 Giga-bit LAN Enable Pins 1-2 (Enabled)
7 JPUSB1 Back Panel USB Wake Up Pins 2-3 (Disabled)
17 JPUSB2 Front Panel USB Wake Up Pins 2-3 (Disabled)
29 JWD Watch Dog Enable Pins 1-2 (Reset)
Item # Connector Description
11 CD1 (CD-In) Audio CD Input (CD In) Header
2, 13 COM1, COM2 COM Port / Serial Port Connectors
34, 33, 27, 26, 9 Fans 1-5 Fan1: CPU Fan, Fans 2-5: System/Chassis Fans
37 GLAN 1 (LAN) LAN Port
20 IDE#1, IDE#2 IDE Hard Drive #1 & #2 (not available for C2SBE)
8 J46 (Audio) Audio Port
12 J12 (Front Audio) Front Panel Audio Connector
31 J27 (Floppy) Floppy Disk Connector
24 JF1 Front Control Panel Header
15 J9 (Speaker) Speaker Header
32 J40 (24-Pin ATX PWR) ATX 24-Pin Power Connector
35 J41 (4-Pin PWR) 12V 4-pin Power Connector (required connection)
22 JL1 Chassis Intrusion Header
28 JLED Onboard Power LED Indicator
1 J28 (KB/Mouse) Keyboard and PS/2 Mouse
3 J30 (Parallel) Parallel Printer Port
25 LE1 Standby Power LED Indicator
42 SATA 0, 1, 4, 5 SATA Headers
43 SATA 2, 3 SATA Headers (for C2SBA+II only)
6, 5 USB 1/2, 3-6 Back Panel USB Ports
18, 23 (FP) USB 7/8, 9/10 Front Panel USB Ports
21, 19 (FP) USB 11, 12 Front Accessible USB Ports
4 VGA Video/Graphics Connector (not available for C2SBE)
16 WOL Wake On LAN Header
39 JWOR Wake On Ring Header
Item # LED Description
25 LE1 Onboard Stby PWR LED
28 JLED Onboard Power LED Indicator
Motherboard Layout and Features
Jumpers, Connectors and LED Indicators
Jumpers
Connectors
LED Indicators
Note: Graphics shown in this quick reference guide are for illustration only. Your components may or may not look exactly the same as drawings shown in this guide.
Front Panel Control (JF1)
Notes:
1. Due to the OS limitations, some operating systems may not show more than 4GB of memory.
2. Both Unbuffered ECC and Non-ECC memory modules can be installed in the memory slots.
However, the functionality of ECC is not supported by the chipset.
Back Panel IO Connectors
Memory Support
Note: Refer to Chapter 2 of the User Manual for detailed information on memory support and CPU/
motherboard installation instructions.
DIMM Installation
Note: Refer to Chapter 1 of the User Manual for detailed information on jumpers, connectors, and LED indicators.
A
B
C
D
E
F
G
H
I
J
DIMM1A
Towards the CPU
Towards the edge of the motherboard
DIMM1B
DIMM2A
DIMM2B
A. Keyboard J. USB Port 1
B. PS/2 Mouse K. USB Port 2
C. COM 1 L. Gigabit LAN 1
D. Parallel M. Side Surround
E. VGA N. Back Surround
F. USB Port 3 O. CEN/LFE
G. USB Port 4 P. Mic In
H. USB Port 5 Q. Front
I. USB Port 6 R. Line In
124567
8
39101112
13
14
15
16
17
18
19
20
21
22
23
29
30
31 32
33
34
35
36
37
38
39
40
41
42
43
24
25
26
27
28
K
L
M
N
O
P
Q
R
Lock
1. Open
socket
cover
2. Insert CPU (Align
Notches)
3. Close and
secure lever.
1. Apply
thermal
grease
2. Set heatsink
on CPU
3. Twist to lock
fasteners
Heatsink Installation
CPU Installation
Possible System Memory Allocation & Availability
System Device Size Physical Memory
Remaining (-Available)
(4 GB Total System
Memory)
BIOS)
1 MB 3.99
Local APIC 4 KB 3.99
Area Reserved for the chipset 2 MB 3.99
I/O APIC (4 Kbytes) 4 KB 3.99
PCI Enumeration Area 1 256 MB 3.76
PCI Express (256 MB) 256 MB 3.51
PCI Enumeration Area 2 (if needed)
-Aligned on 256-MB boundary-
512 MB 3.01
VGA Memory 16 MB 2.85
TSEG 1 MB 2.84
Memory available to OS and other ap-
plications
2.84
Power Button
OH/Fan Fail LED
1
NIC1 LED
Reset Button
2
HDD LED
Power LED
Reset
PWR
LED_Anode+
LED_Anode+
LED_Anode+
LED_Anode+
Ground
Ground
X
X
X
X
not available on C2SBE
