Intel Desktop Board DG33BU Product Guide 
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Table 2.  Desktop Board DG33BU Components 
Label Description 
A  PCI bus connector 2  
B  Front panel audio header  
C  PCI bus connector 1  
D  PCI Express x1 connector 
E Speaker 
F  PCI Express x16 connector  
G  Back panel connectors  
H  12 V processor core voltage connector (2 x 2 pin)  
I  Rear chassis fan header (3-pin)  
J  Processor socket  
K  Processor fan header (4-pin)  
L  Serial header  
M  Main power connector (2 x 12 pin)  
N  Diskette drive connector 
O  DDR2 DIMM 0 sockets   
P  DDR2 DIMM 1 sockets  
Q Battery  
R  Front chassis fan header (3-pin)  
S Chassis intrusion header 
T  BIOS configuration jumper block 
U  Alternate front panel power LED header  
V  Front panel header  
W  Serial ATA connectors (4) 
X  High-speed USB 2.0 headers (3) 
Y IDE connector 
Z  IEEE 1394a header 
 
Related Links: 
Go to the following links for more information about: 
•  Desktop Board DG33BU 
http://www.intel.com/design/motherbd 
http://support.intel.com/support/motherboards/desktop 
•  Supported processors 
http://www.intel.com/go/findCPU 
•  Audio software and utilities 
http://www.intel.com/design/motherbd 
•  LAN software and drivers 
http://www.intel.com/design/motherbd