Page 3
WARNING THIS PRODUCT CONTAINS A BUTTON BATTERY If swallowed, a button battery can cause serious injury or death. Please keep batteries out of sight or reach of children. CALIFORNIA, USA ONLY The Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance controlled in Perchlorate Best Management Practices (BMP) regulations passed by the California Legislature.
Page 4
*15G062470000AK* P/N: 15G062470000AK V1.0 Button Battery Safety Notice Button Battery Safety Notice WARNING • INGESTION HAZARD: This product contains a button cell or coin battery. • DEATH or serious injury can occur if ingested. • A swallowed button cell or coin battery can cause Internal Chemical Burns in as little as 2 hours.
If you require technical support related to this motherboard, please visit our website for specific information about the model you are using. https://www.asrockind.com/technical-support 1.1 Package Contents ASRockInd IMB-1235 Motherboard (Mini-ITX (6.7-in x 6.7-in x 1.5-in, 17.0 cm x 17.0 cm x 3.8 cm)) ASRockInd IMB-1235 Jumper Setting Instruction Gift Package:...
1.2 Specifications Mini-ITX (6.7-in x 6.7-in x 1.5-in, 17.0 cm x 17.0 cm Form Factor Dimensions x 3.8 cm) Intel® 13th Gen (Raptor Lake-P) Core™ Processors IMB-1235P (i7-1365UE, 2P+8E) Processor IMB-1235M (i5-1335UE, 2P+8E) System IMB-1235V (i3-1315UE, 2P+4E) Chipset BIOS AMI SPI 256 Mbit Technology Dual Channel DDR4 3200 MHz Memory...
Page 9
IMB-1235 HDMI 2 x HDMI 2.0b Ethernet 2 x 2.5 Gigabit LAN 2 x USB 2.0 2 x USB 3.2 Gen2 2 x USB4/Thunderbolt™4 (5V/3A, supports DP Rear I/O 1.4a display output) * For Thunderbolt support, please refer to support list.
IMB-1235 1.4 I/O Panel DC Jack (DC_JACK1) RJ45 LAN Port (LAN2) Thunderbolt Type-C Port (TC_T1) USB 2.0 Port (USB2_3) Thunderbolt Type-C Port (TC_T0) Audio Jack: Green - Line Out HDMI Port (HDMI1) 10 Audio Jack: Pink - Mic In USB 3.2 Gen2 Port (USB3_1) 11 USB 2.0 Port (USB2_4)
IMB-1235 Chapter 2 Installation This is a Mini-ITX (6.7-in x 6.7-in x 1.5-in, 17.0 cm x 17.0 cm x 3.8 cm) form factor mother- board. Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it.
2.3 Installation of Memory Modules IMB-1235 provides two 260-pin DDR4 (Double Data Rate 4) SO-DIMM slots, and supports Dual Channel Memory Technology. Step 1. Align a SO-DIMM on the slot such that the notch on the SO-DIMM matches the break on the slot.
IMB-1235 2.4 Expansion Slots There are 3 M.2 sockets and 1 SIM socket on this motherboard. M.2 sockets: 1 x M.2 (Key B, 3042/3052) with PCIe Gen3 x1, USB 3.2, USB 2.0 and SIM for 4G/5G 1 x M.2 (Key E, 2230) with PCIe Gen3 x1, USB 2.0 and CNVi for Wireless 1 x M.2 (Key M, 2242/2260/2280) with PCIe Gen4 x4 for SSD...
2.5 Jumpers Setup The illustration shows how jumpers are setup. When the jumper cap is placed on pins, the jumper is “Short.” If no jumper cap is placed on pins, the jumper is “Open. ” The illustration shows a 3-pin jumper whose pin1 and pin2 are “Short”...
Page 19
IMB-1235 Clear CMOS Jumpers Setting Description Auto Clear CMOS (Default) (3-pin CLRMOS1) Clear CMOS (see p. 5, No. 14) NOTE: CLRMOS1 allows you to clear the data in CMOS. To clear and reset the system param- eters to default setup, please turn off the computer and unplug the power cord from the power supply.
Page 20
Chassis Intrusion Jumpers (CI1, CI2) CI1 : (2-pin CI1, CI2) Setting Description Open Normal (Default) (see p. 5, No. 25) Short Active Case Open CI2 : Setting Description Open Active Case Open Short Normal (Default)
IMB-1235 2.6 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause per- manent damage to the motherboard! 4-pin ATX PWR Connector...
Page 22
SATA3 Connectors Signal Name (SATA3_0, SATA3_1) SATA-A+ (see p. 5, No. 4) SATA-A- SATA-B- SATA-B+ These two Serial ATA3 (SATA3) connectors support SATA data cables for internal storage devices. The current SATA3 interface allows up to 6.0 Gb/s data transfer rate. SATA3_0 is shared with M2_M1.
Page 23
IMB-1235 Backlight Volume Control Signal Name GPIO_VOL_UP (7-pin BLT_VOL1) GPIO_VOL_DW (see p. 5, No. 9) PWRDN BLT_UP BLT_DW Inverter Power Control Wafer Signal Name (6-pin BLT_PWR1) (see p. 5, No. 10) CON_LBKLT_CTL CON_LBKLT_EN LCD_BLT_VCC LCD_BLT_VCC eDP Inverter Power Control Wafer...
Page 24
System Panel Header Signal Name Signal Name HDLED+ PLED+ (9-pin PANEL1) HDLED- PLED- PWRBTN# (see p. 5, No. 16) RESET# This header accommodates several system front panel functions. Connect the power switch, reset switch and system status indicator on the chassis to this header according to the pin assignments below.
Page 25
IMB-1235 Digital Input/Output Pin Header Signal Name Signal Name SIO_GP71 GPP_D4 (10-pin JGPIO1) SIO_GP72 GPP_E1 SIO_GP73 GPP_E2 (see p. 5, No. 20) SIO_GP74 GPP_E13 JGPIOPWR PCIE_ISOLATION1 Signal Name PSON# (2-pin PCIE_ISOLATION1) (see p. 5 , No. 23) Connect to PCIE_ISOLATION_1 header on VGA-PWR card.
Page 26
Front Panel Audio Header Signal Name Signal Name MIC1_L (8-pin HD_AUDIO1) MIC1_R OUT2_R MIC_RET (see p. 5, No. 31) J_SENSE OUT2_L OUT_RET This is an interface for front panel audio cable that allows convenient connection and control of audio devices. 3W Audio AMP Output Wafer Signal Name OUTLN...
Chapter 3 UEFI SETUP UTILITY 3.1 Introduction ASRock Industrial UEFI (Unified Extensible Firmware Interface) is a BIOS utility which offers tweak-friendly options in an advanced viewing interface. The UEFI system works with a USB mouse and offers users a faster, sleeker experience.
3.1.2 UEFI Menu Bar The top of the screen has a menu bar with the following selections: Main For setting system time/date information For advanced system configurations Advanced H/W Monitor Displays current hardware status Security For security settings Boot For configuring boot settings and boot priority Exit Exit the current screen or the UEFI Setup Utility Because the UEFI software is constantly being updated, the following UEFI setup...
IMB-1235 3.1.3 Navigation Keys Use < > key or < > key to choose among the selections on the menu bar, and use < > key or < > key to move the cursor up or down to select items, then press <Enter>...
3.2 Main Screen When you enter the UEFI Setup Utility, the Main screen will appear and display the system overview. Because the UEFI software is constantly being updated, the following UEFI setup screens and descriptions are for reference purpose only, and they may not exactly match what you see on your screen.
IMB-1235 3.3 Advanced Screen I n t h i s s ec t ion, you may s et t he con f ig u r at ions for t he fol low i ng items: CPU Configuration, Chipset Configuration, Storage Configuration, Super IO Configuration,...
3.3.1 CPU Configuration Intel Hyper Threading Technology Intel Hyper Threading Technology allows multiple threads to run on each core, so that the overall performance on threaded software is improved. Configuration options: [Enabled] [Disabled] Active Processor P-Cores This allows you to select the number of cores to enable in each processor package. Active Processor E-Cores This allows you to select the number of E-Cores to enable in each processor package.
Page 33
IMB-1235 Enhanced Halt State (C1E) The option allows you to enable Enhanced Halt State (C1E) for lower power consumption. Configuration options: [Enabled] [Disabled] Package C State Support The option allows you to enable CPU, PCIe, Memory, Graphics C State Support forpower saving.
Page 34
CPU Thermal Throttling CPU Thermal Throttling allows you to enable CPU internal thermal control mechanisms to keep the CPU from overheating. Configuration options: [Enabled] [Disabled]...
IMB-1235 3.3.2 Chipset Configuration VT-d Intel® Virtualization Technology for Directed I/O helps your virtual machine monitor better utilize hardware by improving application compatibility and reliability, and providing additional levels of manageability, security, isolation, and I/O performance. Configuration options: [Enabled] [Disabled]...
Page 36
Active LVDS Use this option to enable or disable the LVDS. The default value is [Disabled]. Set the item to [Enabled]. Then press <F10> to save the setting and restart the system. Now the default value of Active LVDS is changed to ENABLED (F9 load default is also set to ENABLED). Change the setting from [Enabled] to [Disabled], and then press <F10>...
IMB-1235 3.3.3 Storage Configuration VMD Configuration This item allows you to enable or disable the Intel VMD support function. SATA Controller(s) The option allows you to enable or disable the SATA controllers. Configuration options: [Enabled] [Disabled] SATA Mode Selection AHCI supports new features that improve performance.
Page 38
Hard Disk S.M.A.R.T. S.M.A.R.T stands for Self-Monitoring, Analysis, and Reporting Technology. It is a monitoring system for computer hard disk drives to detect and report on various indicators of reliability. Configuration options: [Enabled] [Disabled]...
IMB-1235 3.3.4 Super IO Configuration COM1 Configuration Use this to set parameters of COM1. Type Select Use this to select COM1 port type: [RS232], [RS422] or [RS485]. COM2 Configuration Use this to set parameters of COM2. Type Select Use this to select COM2 port type: [RS232], [RS422] or [RS485].
Page 40
COM6 Configuration Use this to set parameters of COM6. WDT Timeout Reset Use this to set the Watch Dog Timer.
IMB-1235 3.3.6 ACPI Configuration Suspend to RAM Suspend to R A M a l lows you to select [Disabled] for ACPI suspend t y pe S1. It is recommended to select [Auto] for ACPI S3 power saving. Configuration options: [Auto] [Disabled]...
3.3.7 USB Configuration USB Power Control Use this option to control USB power. M.2 Key_B USB Function The item enables or disables M.2 Key_B USB function.
IMB-1235 3.3.8 Trusted Computing NOTE: Options vary depending on the version of your connected TPM module. Security Device Support Security Device Support allows you to enable or disable BIOS support for security device. O.S. will not show Security Device. TCG EFI protocol and INT1A interface will not be available.
Page 44
Platform Hierarchy This item allows you to enable or disable Platform Hierarchy. Configuration options: [Enabled] [Disabled] Storage Hierarchy This item allows you to enable or disable Storage Hierarchy. Configuration options: [Enabled] [Disabled] Endorsement Hierarchy This item allows you to enable or disable Endorsement Hierarchy.
IMB-1235 3.4 Hardware Health Event Monitoring Screen This section allows you to monitor the status of the hardware on your system, including the parameters of the CPU temperature, motherboard temperature, CPU fan speed, and the critical voltage. NOTE: Options vary depending on the features of your motherboard.
3.5 Security Screen In this section you may set or change the supervisor/user password for the system. You may also clear the user password. Supervisor Password Set or change the password for the administrator account. Only the administrator has the authority to change the settings in the UEFI Setup Utility.
IMB-1235 3.6 Boot Screen This section displays the available devices on your system for you to configure the boot settings and the boot priority. Boot Option #1 The item allows you to set the system boot order. Boot From Onboard LAN The item allows the system to be waked up by the onboard LAN.
3.7 Exit Screen Save Changes and Exit When you select this option, the following message “Save configuration changes and exit setup?” will pop out. Select [Yes] to save the changes and exit the UEFI SETUP UTILITY. Discard Changes and Exit When you select this option, the following message “Discard changes and exit setup?”...
Need help?
Do you have a question about the IMB-1235 and is the answer not in the manual?
Questions and answers