IMB-1715
®
The terms HDMI
and HDMI High-Definition
Multimedia Interface, and the HDMI logo are
trademarks or registered trademarks of HDMI
Licensing LLC in the United States and other
countries.
Revision History
Date
Description
Augsut 21, 2024
First Release
September 6, 2024
Second Release
October 30, 2024
Third Release
December 16, 2024
Fourth Release
January 7, 2025
Fifth Release
March 5, 2025
Sixth Release
COM Port PWR Setting Jumpers
1 : PWR_COM1 (For COM Port1)
PWR_COM2 (For COM Port2)
11 : PWR_COM5 (For COM Port5)
PWR_COM6 (For COM Port6)
25 : PWR_COM4 (For COM Port4)
29 : PWR_COM3 (For COM Port3)
Open : +0V
1-2 : +5V (Default)
2-3 : +12V
2 : LAN LED Headers
LAN1_LED1 (For LAN1 Port)
LAN2_LED1 (For LAN2 Port)
LAN3_LED1 (For LAN3 Port)
Pin
Signal Name
1
LILEDP
2
LED_LNK#_ACT
3
LED_1000#
4
LED_2500#
3 : 8-pin ATX 12V Power Connectors
(ATX12V1, ATX12V2)
Pin
Signal Name
Signal Name
Pin
1
GND
ATX12V
2
3
GND
ATX12V
4
5
GND
ATX12V
6
7
GND
ATX12V
8
4 : PCIe Power Connector (PCIE_PWR1)
Pin
Signal Name
1
NA
2
GND
3
GND
4
+12V
• The connector provides additional power for PCIe slot devices.
Chassis FAN Connectors (+12V)
5 : CHA_FAN1
7 : CHA_FAN2
12 : CHA_FAN3
Pin
Signal Name
1
GND
2
+12V
3
CHA_FAN_SPEED
4
FAN_SPEED_CONTROL
6 : CPU FAN Connectors (+12V) (CPU_FAN1)
Pin
Signal Name
1
GND
2
+12V
3
CPU_FAN_SPEED
4
FAN_SPEED_CONTROL
8 : PWR LOSS Header (PWR_LOSS1)
Open : No Power Loss
Short : Power Loss (Default)
Jumpers and Headers Setting Guide
1 2
3
51
HDMI2
ATX12V1
1
ATX12V2
50
Bottom:
Top:
HDMI
1
DP1
1
1
49
1
Bottom:
1
Top:
1
COM2
COM1
PWR_COM1
PWR_COM2
LAN1_LED1
LAN2_LED1
LAN3_LED1
USB 3.2 Gen2
48
Top:
Middle: USB3_3
LAN1
Bottom: USB3_4
47
Bottom:
Middle:
Top:
Thunderbolt
USB 3.2 Gen2
Type-C
USB3_10
LAN2
TB_1
46
USB 3.2 Gen2
Top:
Middle: USB3_1
LAN3
Bottom: USB3_2
PCIE_PWR1
1
45
Bottom:
Middle:
Top:
A1
A12
Mic-in
Line-out
Line-in
TB_F1
B12
B1
44
PCIE1
43
42
PCIE2
PCIE3
41
40
1
1
1
BUZZ2
BUZZ1
CLRMOS1
CLRMOS2
39
PCIE4
PCIE5
38
1
PWR_BAT1
PCIE6
37
1
SPDIF1
PCIE7
JGPIO_SET1
36
1
1
1
JGPIO_PWR1
PSU_SMB1
HD_AUDIO1
35
34 33
9 : 24-pin ATX Power Input Connector
(ATXPWR1)
1
3
PWR_COM1, 2, 4
Pin
Signal Name
1
+3V
1
2
+3V
3
GND
4
+5V
3
5
GND
PWR_COM5~6
6
+5V
7
GND
8
PWROK_PS
9
ATX+5VSB
3
1
10
+12V
PWR_COM3
11
+12V
12
+3V
COM Port Headers (RS232)
10 : COM5, COM6
26 : COM4
30 : COM3
Pin
Signal Name
1
DDCD#
3
TTXD
5
GND
1
4
7
RRTS#
9
PWR
USB 3.2 Gen1 Headers
13 : USB3_5_6
8
5
31 : USB3_7_8
Pin
Signal Name
4
1
1
DUMMY
3
IntA_PB_D+
5
IntA_PB_D-
7
GND
9
NA
11
NA
13
GND
15
NA
17
NA
4
1
19
Vbus
14 : USB 3.0 Type-A Port (Vertical) (USB3_9)
Pin
Signal Name
1
USB_PWR
2
3
4
1
4
CHA_FAN1
5
6
7
8
9
1
4
15 : SATA3 Connectors (SATA3_0~SATA3_3)
CHA_FAN2
CHA_FAN3
Pin
Signal Name
1
2
3
4
5
6
7
1
4
18 : PSIN#_1
Pin
Signal Name
1
2
1
2
19 : RESET_1
Pin
Signal Name
1
2
4
5
6
1
1
CPU_FAN1
1
M2_M2
1
C
HA
_FAN
1
IMB-1715
M2_M1
1
M2_E1
1
PSIN#_1
HEATER1
CI2
1
1
CI1
1
1
1
1
1
LPT_GPIO1
1
1
COM3
1
1
COM4
1
USB3_7_8
PWR_COM3
SIO_AT1
PWR_COM4
32
31
30
29 2827
26
25
Signal Name
Pin
12
24
+3V
13
-12V
14
GND
15
PSON#
16
GND
17
GND
18
GND
19
NA
20
+5V
21
+5V
22
+5V
23
1
13
GND
24
10
9
2
1
COM5~6
Signal Name
Pin
2
10
RRXD
2
DDTR#
4
DDSR#
6
CCTS#
8
1
9
10
COM3~4
20
19
Signal Name
Pin
2
1
IntA_PA_D+
2
IntA_PA_D-
4
GND
6
USB3_5_6
IntA_PA_SSTX+
8
20
IntA_PA_SSTX-
10
2
GND
12
IntA_PA_SSRX+
14
IntA_PA_SSRX-
16
Vbus
18
1
19
20
USB3_7_8
9
4
USB_D-
USB_D+
1
GND
5
SSRX-
SSRX+
GND
SSTX-
SSTX+
7
GND
SATA-A+
SATA-A-
GND
SATA-B-
1
SATA-B+
GND
1
PSIN#
2
GND
RESET#
GND
1
2
7
1
C
HA
_FAN2
8
1
9
1
10
1
11
1
1
12
1
1
CHA_FAN3
USB3_9
13
1
1
14
15
1
16
M2_B1
BIOS
ROM
1
1
17
18
19
1
1
20
21
DACC1
22
1
1
1
TPM_BIOS_PH1
COM3_CC_TTL_SEL1
24
23
16 : M.2 Key-B Socket
(M2_B1)
Pin
Signal Name
Signal Name
Pin
1
NA
+3.3V
2
3
GND
+3.3V
4
5
GND
FuLL_Card_Power_off
6
7
USB_D+
W_DISABLE
8
9
USB_D-
NA
10
11
GND
NA
20
21
GND
NA
22
23
NA
NA
24
25
NA
NA
26
27
GND
NA
28
29
NA
UIM_RESET
30
31
NA
UIM_CLK
32
33
GND
UIM_DATA
34
35
NA
UIM_PWR
36
37
NA
NA
38
39
GND
NA
40
41
PERn0
NA
42
43
PERp0
NA
44
45
GND
NA
46
47
PETn0
NA
48
49
PETP0
PERST#
50
51
GND
CLKREQ#
52
53
PEFCLKn
NA
54
55
PEFCLKp
NA
56
57
GND
NA
58
59
NA
NA
60
61
NA
NA
62
63
NA
NA
64
65
NA
NA
66
67
NA
NA
68
69
PEDET
+3.3V
70
71
GND
+3.3V
72
73
GND
+3.3V
74
75
NA
20 : System Panel Header (PANEL1)
Pin
Signal Name
Signal Name
1
HDLED+
PLED+
3
HDLED-
PLED-
5
GND
PWRBTN#
7
RESET#
GND
9
GND
21 : HEATER1 Header (HEATER1)
(Preheat function)
Pin
Signal Name
1
Heater PWR (5V/1A)
2
GND
NTC (Negative Temperature Coefficient)
3
thermistors
• The 10k Ohm NTC thermistor is suggested.
• Deep mode is not supported when the preheat function is enabled.
22 : DACC1
Open: no ACC
Short: ACC (Default)
• Auto clear CMOS when system boot improperly.
23 : COM3_CC_TTL_SEL1
Pin
Signal Name
Signal Name
1
+5V
GND
3
NA
5
TTXD_3_TTL
RRXD_3_TTL
7
TTXD_3
RRXD_3
9
TTXD_3_RS232
RRXD_3_RS232
COM_CC_TTL_SEL1:79
COM_CC_TTL_SEL1:80
MINI_JUMPER
MINI_JUMPER
Open: CCTALK function
• Supported by CCTALK Card (optional)
https://www.asrockind.com/UART-CCTALK
5-7 + 6-8 : TTL function
7-9 + 8-10 : COM (RS232)
(Default)
17 : ESPI Header
(ESPI1)
Pin
Signal Name
1
GND
2
ESPI_CLK
3
GND
4
ESPI_CS#
5
ESPI_RESET#
6
GND
7
+3V
8
ESPI_CS#1
9
PLTRST#
10
COM_RST#
11
ESPI_IO0
12
ESPI_IO1
13
ESPI_IO2
14
ESPI_IO3
15
ALERT#1
16
+3VSB
17
Internal Use
18
+5VSB
19
ESPI_ALERT#
20
GND
1
20
Pin
1
2
2
4
6
8
10
9
10
3
1
2
1
2
10
Pin
2
4
6
1
9
8
10
2
10
1
9
2
10
1
9
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