IEI Technology IMBA-Q471 User manual

ATX Motherboard Supports 10th/11th Gen. LGA1200 Intel® Core™
i9/i7/i5/i3, Celeron® and Pentium® Processors, DDR4, Triple
Independent Displays, Triple 2.5GbE, M.2, USB 3.2, SATA 6Gb/s,
HD Audio and RoHS
IMBA-Q471
Quick Installation Guide
Version 1.0
January 21, 2022
Package List
IMBA-Q471 package includes the following items:
1 x IMBA-Q471 single board computer
2 x SATA cable
1 x I/O shielding
1 x QIG
© 2022 Copyright by IEI Integration Corp.
All rights reserved.

2
Specifications
CPU:
10th/11th Generation LGA1200 Intel® Core™ i9/i7/i5/i3, Celeron®
and Pentium® processors
Chipset:
Intel® Q470
Memory:
Four 288-pin 2933 MHz dual-channel unbuffered DDR4 SDRAM
DIMM slots supporting up to 128 GB memory
BIOS:
AMI UEFI BIOS
Graphics Engine:
Up to Intel® UHD Graphics 630; Intel® HD Graphics Gen 9
Engines with 16 low-power execution units, supporting DX2015,
OpenGL 5.x, OpenCL2.x and ES 2.0
Display Output:
Triple independent display
1 x VGA (up to 1920 x 1080 @ 60 Hz)
1 x DP (up to 4096 x 2304 @ 60 Hz)
1 x HDMI (up to 4096 x 2304 @ 30 Hz)
Ethernet:
LAN1: Intel® I225V 2.5GbE controller
LAN2: Intel® I225V 2.5GbE controller
LAN3: Intel® I225V 2.5GbE controller
External I/O Interface:
1 x RS-232 DB-9
2 x USB 2.0 (Type-A)
2 x USB 3.2 Gen 1 (5Gb/s) (Type-A)
2 x USB 3.2 Gen 2 (10Gb/s) (Type-A)
Internal I/O Interface:
6 x USB 2.0 (2x4 pin, p=2.54)
2 x USB 3.2 Gen1 (2x10 pin, p=2.0)
2 x RS-232 (2x5 pin, p=2.54)

3
1 x RS-422/485 (1x4 pin, p=2.0)
5 x SATA 6Gb/s (RAID 0/1/5/10 supported)
Audio:
Realtek ALC888S HD Audio codec supports 7.1-channel
3 x Audio jack (line-in, line-out, mic-in) on rear I/O
1 x Front audio (2x5 pin, p=2.54)
Front Panel:
1 x Front panel (2x7 pin, p=2.54; power LED, HDD LED, speaker,
power button, reset button)
LAN LED:
2 x LAN LED (1x2 pin, p=2.0)
Expansions:
2 x PCIe x16 slot (x8 signal)
3 x PCIe x4 slot
2 x PCIe x1 slot
1 x M.2 M-key 2242/2280 (PCIe x2, SATA)
Digital I/O:
1 x 12-bit digital I/O (2x7 pin, p=2.0)
SMBus:
1 x SMBus (1x4 pin, p=1.25)
I2C:
1 x I2C (1x4 pin, p=1.25)
Fan Connector:
1 x CPU fan connector (1x4 pin)
2 x System fan connector (1x3 pin)
Power Supply:
ATX/AT power supply
Support AT/ATX mode
ErP/EuP compliant
Power Consumption:
[email protected], [email protected], [email protected], [email protected]
(Intel® Core™ i5-10500TE CPU with four 8 GB 2933 MHz DDR4
DIMMs)

4
Watchdog Timer:
Software programmable support 1–255 sec. system reset
Operation Temperature: -20°C –60°C
Storage Temperature: -30°C –70°C
Operation Humidity: 5% –95%, non-condensing
Dimensions: 244 mm x 305 mm
Weight: GW:1200 g / NW:700 g
Safety: CE/FCC compliant
All the drivers and utility for the IMBA-
Q471 are available on IEI Resource
Download Center. Type IMBA-Q471
and press Enter to find all the relevant
software, utilities, and documentation.
To install software from the
downloaded ISO file, mount the file as
a virtual drive to view its content.
IEI Resource Download Center
https://download.ieiworld.com

5
Ordering Information
IMBA-Q471-R10:
ATX Motherboard Supports 10th/11th Gen. LGA1200 Intel® Core™
i9/i7/i5/i3, Celeron® and Pentium® Processors, DDR4, Triple
Independent Display, Triple 2.5GbE, M.2, USB 3.2, SATA 6Gb/s,
HD Audio and RoHS
19800-003100-100-RS:
Dual port USB cable with bracket, 30mm, p=2.54
19800-010500-200-RS:
USB 3.0 /USB 3.2 cable, 450mm with bracket, p=2.0
32102-000100-200-RS:
SATA power cable, MOLEX 8981-4M to SATA15P, 150mm
32205-000702-200-RS:
RS-232 cable, 230mm, p=2.54
CF-115XA-R10:
High performance LGA1155/1156 cooler kit, 1U chassis compatible,
73W
CF-1156C-R20:
LGA1155/LGA1156 cooler kit, 1U chassis compatible, 45W
CF-1156D-R30:
LGA1155/LGA1156 cooler kit, 1U chassis compatible, 65W
CF-115XE-R10:
High-performance LGA1155/1156 cooler kit, 95W

6
Jumpers Setting and Connectors
LABEL
FUNCTION
J_ATX_AT1
AT/ATX power mode setting
ME_RTC2
Clear CMOS jumper
ME_RTC1
Clear ME jumper
J_FLASH1
Flash descriptor security override jumper
AUDIO1
Internal audio connector
ATX1
ATX power connector
CPU12V1
ATX CPU 12V power connector
DBG_PORT1
Debug connector
DIO1
Digital I/O connector
DEBUG_SPI1
EC debug connector
EC_UART1
EC UART debug connector
CPU_FAN1, SYS_FAN1,
SYS_FAN2
Fan connectors
F_PANEL1
Front panel connector
I2C1
I2C connector
LED_LAN1
LAN1 link LED connector
LED_LAN2
LAN2 link LED connector
LED_LAN3
LAN3 link LED connector
COM2
RS-422/485 serial port connector
COM3, COM4
RS-232 serial port connectors
S_ATA1, S_ATA2,
S_ATA3, S_ATA4, S_ATA5
SATA 6Gb/s connectors
SMB1
SMBus connector
JSPI1
Flash SPI ROM connector
JEC1
Flash EC ROM connector
ATXPWR2
PCIe power connector
JUSB4, JUSB5, JUSB6
Internal USB 2.0 connectors
JUSB3-1
Internal USB 3.2 Gen 1 connector
M2_M1
M.2 M-key slot
PCIE1, PCIE2
PCIe x1 slots
PCIEX4_1, PCIEX4_2,
PCIEX4_3
PCIe x4 slots
PCIEX8_1, PCIEX8_2
PCIe x16 slots (x8 signal)

7
PWR_SW1
Onboard power button
AUDIO_CV1
External HD Audio jack
JP1
External dual 2.5GbE RJ-45 connector
CON1_USB1
External dual USB 3.2 Gen 1 and
dual USB 3.2 Gen 2 connector
LAN3_USB2
External 2.5GbE RJ-45 and dual USB 2.0
combo connector
COM1/VGA1
External RS-232 and VGA combo connector
HDMI_DP1
External HDMI and DP++ combo connector
J_ATX_AT1: AT/ATX Power Mode Setting
PIN NO.
DESCRIPTION
Short 1 - 2
ATX Power Mode (default)
Short 2 - 3
AT Power Mode
ME_RTC2: Clear CMOS Jumper
PIN NO.
DESCRIPTION
Open (default)
Keep CMOS Setup
(Normal Operation)
Short
Clear CMOS Setup
ME_RTC1: Clear ME Jumper
PIN NO.
DESCRIPTION
Open
Keep RTC (default)
Short
Clear RTC
J_FLASH1: Flash Descriptor Security Override Jumper
PIN NO.
DESCRIPTION
Short 1-2
Disabled (default)
Short 2-3
Enabled

8
USB Power SW: USB Power Setting
USB Power SW
DESCRIPTION
+5V DUAL
Power is provided in S3/S4 sleep
state (default)
+5V
Power is not provided in S3/S4
sleep state
Use the USB Power SW1 and USB Power SW2 BIOS options to configure
whether to provide power to the corresponding USB connector(s) when the
system is in S3/S4 sleep state. This option is valid only when the above Power
Saving Function (ERP) BIOS option is disabled.
- USB Power SW1 for CON1_USB1 and LAN3_USB2 connectors
- USB Power SW2 for JUSB4, JUSB5, JUSB6 and JUSB3-1 connectors
AUDIO1 : Internal Audio Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
LMIC2-L
2
AUD_GND
3
LMIC2-R
4
PRESENCE#
5
LLINE2-R
6
MIC2-JD
7
FRONT-IO
8
NC
9
LLINE2-L
10
LINE2-JD
ATX1: ATX Power Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
+3.3V
13
+3.3V
2
+3.3V
14
-12V
3
GND
15
GND
4
+5V
16
PS_ON
5
GND
17
GND
6
+5V
18
GND
7
GND
19
GND
8
Power good
20
-5V
9
5VSB
21
+5V
10
+12V
22
+5V
11
+12V
23
+5V
12
+3.3V
24
GND

9
CPU12V1: ATX CPU 12V Power Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
GND
5
+12V
2
GND
6
+12V
3
GND
7
+12V
4
GND
8
+12V
DBG_PORT1: Debug Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
+5V
2
SMCLK1_EC
3
NC
4
SMDAT1_EC
5
GND
6
PLTRST_N
DIO1 : Digital Input/Output Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
GND
2
VCC
3
Output 5
4
Output 4
5
Output 3
6
Output 2
7
Output 1
8
Output 0
9
Input 5
10
Input 4
11
Input 3
12
Input 2
13
Input 1
14
Input 0
DEBUG_SPI1: EC Debug Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
GND
2
EDICS
3
EDICLK
4
EDIDI
5
EDIDO
EC_UART1: EC UART Debug Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
UART_TX
2
VCC3.3
3
UART_RX
4
GND

10
CPU_FAN1: CPU Fan Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
GND
2
+12V
3
FANIO
4
PWM
SYS_FAN1: System Fan Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
FANIO
2
PWM
3
GND
SYS_FAN2: System Fan Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
NC
2
+12V
3
GND
F_PANEL1: Front Panel Connector
PIN
DESCRIPTION
PIN
DESCRIPTION
PWR
LED
1
PWR_LED+
2
BEEP_PWR
SPKR
3
NC
4
NC
5
PWR_LED-
6
NC
PWR
BTN
7
PWR_BTN+
8
PC_BEEP
9
PWR_BTN-
10
NC
HDD
LED
11
HDD_LED+
12
Reset+
RESET
13
HDD_LED-
14
Reset-
I2C1: I2C Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
GND
3
I2C_CLK
2
I2C_DATA
4
+5V

11
LED_LAN1: LAN1 Link LED Connector
PIN
DESCRIPTION
PIN
DESCRIPTION
1
+3.3V
2
LAN1_LED_LNK#_ACT
LED_LAN2: LAN2 Link LED Connector
PIN
DESCRIPTION
PIN
DESCRIPTION
1
+3.3V
2
LAN2_LED_LNK#_ACT
LED_LAN3: LAN3 Link LED Connector
PIN
DESCRIPTION
PIN
DESCRIPTION
1
+3.3V
2
LAN3_LED_LNK#_ACT
COM3, COM4: RS-232 Serial Port Connectors
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
DCD
2
DSR
3
RXD
4
RST
5
TXD
6
CTS
7
DTR
8
RI
9
GND
10
GND
COM2: RS-422/485 Serial Port Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
RXD422-
2
TXD422+/TXD485+
3
RXD422+
4
TXD422-/TXD485-

12
S_ATA1, S_ATA2, S_ATA3, S_ATA4, S_ATA5:
SATA 6Gb/s Connectors
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
GND
5
SATA_RX‐
2
SATA_TX+
6
SATA RX+
3
SATA_TX‐
7
GND
4
GND
8
N/C
SMB1: SMBus Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
GND
3
SMB_CLK
2
SMB_DATA
4
+5V
ATXPWR2: PCIe Power Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
+12V
3
GND
2
GND
4
+5V
JSPI1: Flash SPI ROM Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
+3.3V
4
SPI_CLK
2
SPI_CS#
5
SPI_SI
3
SPI_SO
6
GND
JEC1: Flash EC ROM Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
+3.3V
2
SPI_CS#
3
SPI_SO
4
NC
5
EC_DET_FLASH
6
SPI_CLK
7
GND
8
SPI_SI

13
JUSB4, JUSB5, JUSB6: Internal USB 2.0 Connectors
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
VCC
2
GND
3
USB_DATA-
4
USB_DATA+
5
USB_DATA+
6
USB_DATA-
7
GND
8
VCC
JUSB3-1: Internal USB 3.2 Gen 1 Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
VCC
11
USB_DATA+
2
USB_RX-
12
USB_ DATA-
3
USB_RX+
13
GND
4
GND
14
USB3_TX+
5
USB3_TX-
15
USB3_ TX-
6
USB3_TX+
16
GND
7
GND
17
USB3_RX+
8
USB3_DATA-
18
USB3_RX-
9
USB3_DATA+
19
VCC
10
NC
M2_M1: M.2 M-key Slot
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
GND
2
+3.3V
3
GND
4
+3.3V
5
PERN0
6
NC
7
PERP0
8
NC
9
GND
10
DAS/DSS#
11
PETN0
12
+3.3V
13
PETP0
14
+3.3V
15
GND
16
+3.3V
17
PERN1
18
+3.3V
19
PERP1
20
NC
21
GND
22
NC
23
PETN1
24
NC

14
25
PETP1
26
NC
27
GND
28
NC
29
PERN2
30
NC
31
PERP2
32
NC
33
GND
34
NC
35
PETN2
36
NC
37
PETP2
38
DEVSLP
39
GND
40
NC
41
PERN3
42
NC
43
PERP3
44
NC
45
GND
46
NC
47
PETN3
48
NC
49
PETP3
50
PERST#
51
GND
52
CLKREQ
53
PCIECLKN
54
PEWAKE
55
PCIECLKP
56
NC
57
GND
58
NC
59
Module Key
60
Module Key
61
Module Key
62
Module Key
63
Module Key
64
Module Key
65
Module Key
66
Module Key
67
NC
68
NC
69
PEDET
70
+3.3V
71
GND
72
+3.3V
73
GND
74
+3.3V
75
GND
AUDIO_CV1: External Audio Jacks
Jack Color
DESCRIPTION
Blue
Line-in: CD/DVD or other audio source input port
Green
Line-out: connect this port to headphone or speaker
Pink
Microphone: connect this port to microphone

15
JP1: External 2.5GbE RJ-45 Connectors
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
A1
LAN1_MDI0P
B1
LAN1_MDI0P
A2
LAN1_MDI0N
B2
LAN1_MDI0N
A3
LAN1_MDI1P
B3
LAN1_MDI1P
A4
LAN1_MDI1N
B4
LAN1_MDI1N
A5
LAN1_MDI2P
B5
LAN1_MDI2P
A6
LAN1_MDI2N
B6
LAN1_MDI2N
A7
LAN1_MDI3P
B7
LAN1_MDI3P
A8
LAN1_MDI3N
B8
LAN1_MDI3N
A9
Connect 0.1uf
B9
Connect 0.1uf
A10
GND
B10
GND
AL1
2.5G_LED
BL1
2.5G_LED
AL2
1G_LED
BL2
1G_LED
AL3
ACT_LED
BL3
ACT_LED
AL4
+3.3V
BL4
+3.3V

16
HDMI_DP1
External DP Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
LANE0P
11
GND
2
GND
12
LANE3N
3
LANE0N
13
AUX_CTRL_DET_C
4
LANE1P
14
GND
5
LANE1N
15
AUXP
6
GND
16
GND
7
LANE2P
17
AUXN
8
GND
18
HPD
9
LANE2N
19
GND
10
LANE3P
20
+5V
External HDMI Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
21
HDMI_DATA2
31
GND
22
GND
32
HDMI_CLK#
23
HDMI_DATA2#
33
N/C
24
HDMI_DATA1
34
N/C
25
GND
35
HDMI_SCL
26
HDMI_DATA1#
36
HDMI_SDA
27
HDMI_DATA0
37
GND
28
GND
38
+5V
29
HDMI_DATA0#
39
HDMI_HPD
30
HDMI_CLK

17
COM1/VGA1
External RS-232 Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
DCD1
6
DSR1
2
RXD1
7
RTS1
3
TXD1
8
CTS1
4
DTR1
9
RI1
5
GND1
External VGA Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
V1
RED
V2
GREEN
V3
BLUE
V4
NC
V5
GND
V6
Hot plug detect
V7
GND
V8
GND
V9
VCC
V10
GND
V11
NC
V12
DDCDA
V13
HSYNC
V14
VSYNC
V15
DDCCLK
LAN3_USB2
External 2.5GbE Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
LAN3_I225_MDI0_P
5
LAN3_I225_MDI2_P
2
LAN3_I225_MDI0_N
6
LAN3_I225_MDI2_N
3
LAN3_I225_MDI1_P
7
LAN3_I225_MDI3_P
4
LAN3_I225_MDI1_N
8
LAN3_I225_MDI3_N
External USB 2.0 Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
VCC
5
VCC
2
USB_DATA-
6
USB_DATA-
3
USB_DATA+
7
USB_ DATA+
4
GND
8
GND

18
CON1_USB1: External USB 3.2 Gen 1 & Gen 2 Connectors
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
A1
VCC
C1
VCC
A2
USB_DATA-
C2
USB_DATA-
A3
USB_DATA+
C3
USB_ DATA+
A4
GND
C4
GND
A5
USB3_RX-
C5
USB3_RX-
A6
USB3_RX+
C6
USB3_ RX+
A7
GND
C7
GND
A8
USB3_TX-
C8
USB3_TX-
A9
USB3_TX+
C9
USB3_TX+
B1
VCC
D1
VCC
B2
USB_DATA-
D2
USB_DATA-
B3
USB_DATA+
D3
USB_ DATA+
B4
GND
D4
GND
B5
USB3_RX-
D5
USB3_RX-
B6
USB3_RX+
D6
USB3_ RX+
B7
GND
D7
GND
B8
USB3_TX-
D8
USB3_TX-
B9
USB3_TX+
D9
USB3_TX+

19
Board Layout: Jumper and Connector Locations
(Unit: mm)