Intel Desktop Board DZ77GA-70K Technical Product Specification
16
Table 3. Components Shown in Figure 1
Label Description
A PCI Express x4 bus add-in card connector
B Conventional PCI bus add-in card connector
C PCI Express x16 bus add-in card connector (x8 electrical; x16 compatible)
D S/PDIF out header
E Conventional PCI bus add-in card connector
F PCI Express x1 bus add-in card connector
G PCI Express x16 bus add-in card connector
H Battery
I PCI Express x1 bus add-in card connector
J Rear chassis fan header
K Back panel connectors
L 12 V processor core voltage connector (2 x 4 pin)
M LGA 1155 processor socket
N Voltage Regulator status LEDs
O Processor fan header
P DIMM 3 (Channel A DIMM 0)
Q DIMM 1 (Channel A DIMM 1)
R DIMM 4 (Channel B DIMM 0)
S DIMM 2 (Channel B DIMM 1)
T Front chassis fan header
U Piezoelectric speaker
V Main power connector (2 x 12)
W Onboard power button
X Onboard reset button
Y Power Supervisor LED (Power Fault)
Z Intel Z77 Express Chipset
AA SATA 6.0 Gb/s connectors through the PCH (blue)
BB SATA 3.0 Gb/s connectors through the PCH (black)
CC SATA 6.0 Gb/s connectors through a Marvel 88SE9172 controller (gray)
DD Standby power LED
EE Power On Self Test (POST) code LED display
FF Consumer IR receiver (input) header
GG Front panel header
HH Alternate front panel power LED header
II Front panel USB 2.0 headers (black)
JJ Consumer IR transmitter (output) header
KK Front panel USB 2.0 connector (orange high current charging)
LL BIOS configuration jumper block
continued
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