User Manual
HD631-Q87 
ATX
Block DiagramMechanical Drawing
Features
Q87
Desktop
COM1 PS/2 KB/MS
USB 2.0
LAN2
HDMI
PCI3
Intel Q87
ATX power
DDR3_1
PCIe x16
USB 2.0
DIO
LGA 1150
COM2
LAN1
USB 3.0
DVI-I
Line-in/Surround
Line-out
Mic-in/
Center+Subwoofer
PCI2
PCI1
SATA 3.0
DDR3_3
CPU Fan
PCIe x4
(x1 signal)
12V power
PCIe x4
DDR3/
DDR3L
8 DIO
CHIPSET     
CPU
MEMORY       
EXPANSION   
DISPLAY OUTPUTS  
LAN  
COM           
USB           
STORAGE                       
DIO   
Intel
®
 Q87 
4th Generation Intel
®
 Core™ processors
4 DDR3/DDR3L DIMM up to 32GB 
1 PCIe x16 
2 PCIe x4 (1 x4 and 1 x1 signal) 
3 PCI 
1 HDMI, 1 DVI-I 
2 Gigabit LAN ports 
6 COM 
10 USB: 4 USB 3.0, 6 USB 2.0
6 SATA 3.0
8-bit DIO 
AMT 9.0
SATA 3.0
COM
DDR3_2
DDR3_4
USB 4x
USB3.0
VRD 12.5
Q87
HOST_CLKP/N
DMI
PCIe x16
FDI
SPI Bus
PCIe 
100MHz
Vcore Power
PCIe x16
Channel A
1333/1600MHz
PCIe x1 
GLAN 1
SPI BIOS
USB 10x
USB2.0
SATA3.0
SATA 6x
R.G.B
Channel B
1333/1600MHz
PCIe x4 
PCIe x1 
PCIe x1 
DDR3 DIMM 2x
DDR3 DIMM 2x
Core i7/i5/i3
LEVEL 
SHIFT SKT
TMDS 
Bus
LEVEL 
SHIFT SKT
TMDS 
Bus
HDMI
TMDS 
Bus
DVI-I
TMDS 
Bus
TPM (Opt.)
Super IO
with WDT
LPC Bus
LPC Bus
Digital I/O 8-bit
COM Port 6x
H/W Monitor
PS/2 K/B 
PS/2 Mouse
HD 
HD 
Audio
PCIe x1 
PCIe x1 
PCIe x4 
PCIe x1 
GLAN 2
PCIe to PCI
Bridge
PCI Bus
33MHz
PCI 3x 
PCIe x4 
0.00
10.16
46.94
29.22
154.94
143.93
180.93
164.54
154.94
150.29
75.29
22.86
173.33
184.68
193.46
90.81
165.82
0.00
203.20
209.55
197.48
171.73
135.58
105.13
82.60
63.46
78.74
74.63
54.31
33.99
6.66
26.98
46.89
45.72
78.74
20.32
2.38
26.38
45.72
60.46
203.20
3 Modules for Additional COM/Parallel Ports
(via the LPC connector)
EXT-6C1PR
- 6 COM 
- 1 Parallel
EXT-4C1PR
- 4 COM 
- 1 Parallel
EXT-2C1PR
- 2 COM 
- 1 Parallel
NOTE:
To support the additional COM/Parallel ports, please contact your sales 
representative for the LPC module and its BIOS.
COM4 COM3
COM5
COM6
LPC


