IMB-A1003
IMB-A1003
IMB-A1003
IMB-A1003

IMB-A1003 Mini-ITX Motherboard

  • AMD EPYC™ 4005/4004 and AMD Ryzen™ 9000/8000/7000 Series Processors with B650 Chipset
  • 2 x 262-pin ECC/non-ECC SO-DIMM DDR5 5200 MHz, up to 96GB (48GB per DIMM)
  • 1 x PCIe x16 (Gen5), 4 x USB 3.2 Gen2, 2 x USB 3.2 Gen1, 4 x USB 2.0, 1 x M.2 Key M, 1 x M.2 Key E, 2 x COM, 2 x SATA3
  • 2 x Realtek Gigabit LAN
  • Supports Quad display, 4 x DP 1.2++
  • TPM 2.0 onboard IC
  • 12~28V DC-In (Lockable DC Jack)
Datasheet
Specification

Processor System

CPU Supports AMD EPYC™ 4005/4004 and AMD Ryzen™ 9000/8000/7000 Series Desktop Processors*, up to 65W
*The availability of expansion slots may vary by CPU. Please refer to PCIe Bandwidth Table for details.
https://download.asrock.com/IPC/Others/AM5_PCIe_Bandwidth_Table.pdf

Chipset AMD B650
Socket AM5
BIOS AMI SPI 256 Mbit

Form Factor

Dimensions Mini-ITX (6.7-in x 6.7-in x 1.5-in, 17.0 cm x 17.0 cm x 3.7 cm)

Memory

Technology Dual Channel ECC/non-ECC DDR5 5200 MHz
*ECC support may vary by CPU
Capacity 96GB (48GB per DIMM)
Socket 2 x 262-pin SO-DIMM

Graphics

Controller AMD RDNA™ 2 Architecture
DisplayPort DisplayPort 1.2, DP++
Max resolution up to 4096x2160@60Hz
MultiDisplay Quad Display

Expansion Slot

PCIe 1 x PCIe x16 (Gen5)
M.2 1 x M.2 (Key E, 2230) with PCIe Gen 4 x1, USB 2.0 for Wireless

Audio

Interface Realtek ALC897, High Definition Audio. Mic-in, Line-out

Ethernet

Controller/ Speed LAN1: Realtek RTL8111H with 10/100/1000 Mbps
LAN2: Realtek RTL8111H with 10/100/1000 Mbps
Connector 2 x RJ-45

Rear I/O

DisplayPort 4 x DP 1.2++
Ethernet 2 x 1 Gigabit LAN
USB 4 x USB 3.2 Gen 2
2 x USB 2.0
Audio 2 (Mic-in, Line-out)

Internal Connector

USB 2 x USB 3.2 Gen1
2 x USB 2.0 (1 x 2.54 pitch header)
COM COM1, COM2
(RS-232/422/485/TTL 5V/ccTalk, switch by Jumper setting)

Security

TPM TPM 2.0 onboard IC

Storage

M.2 1 x M.2 Key M (2242/2280) with PCIe Gen4 x4, and USB 2.0
SATA 2 x SATA3 (6Gb/s)

Watchdog Timer

Output From Super I/O to drag RESETCON#
Interval 256 Segments, 0, 1, 2, ...255sec

Power Requirements

Input PWR 12~28V DC-In with 4-pin wafer PWR cable or DC Jack(Screw type)
Power On AT/ATX Supported
- AT : Directly PWR on as power input ready
- ATX : Press button to PWR on after power input ready

Environment

Operating Temp -20ºC ~ 70ºC
Storage Temp -40° C ~ 85° C
Operating Humidity 5% ~ 90%
Storage Humidity 5% ~ 90%

Accessories

Gift Package 2 x COM Cable (14G000000310AK)
2 x SATA Cable (14G00010107DAK)
1 x SATA Power Cable (14G000100410AK)
1 x I/O Shield (13G02P101000AK)
2 x SCREW M3*2.5 (13G02P072010AK)
1 x 3.35mm M3 NUT (13G02P059010AK)
Bulk Package 1 x I/O Shield (13G02P101000AK)
2 x SCREW M3*2.5 (13G02P072010AK)
1 x 3.35mm M3 NUT (13G02P059010AK)

The specification is subject to change without notice in advance. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed.

Support

OS:

Description Information OS Date Download
Description COM Port driver ver: 1.8.1.24.0902 Information

Size: 1795Kib
Version: 1.8.1.24.0902
SHA256: 3d92e9dd2d83903c8cc17aa482d33c697a308342d6bd27622586d5932c2ab572
Filename: COM(v1.8.1.24.0902).zip
Release Note

OS Win 11 x 64 Date 2025-05-06 Download
Description VGA driver ver: 24.8.1 Information

Size: 728Mib
Version: 24.8.1
SHA256: e542f6e2f82107d5f02a07f5fb75713978b9ca0ec8fc114f5769c056462ef1e0
Filename: AMD_VGA(24.8.1).zip
Release Note

OS Win 11 x 64 Date 2025-05-06 Download
Description Realtek Lan driver ver: 10.060.0615.2022 Information

Size: 10Mib
Version: 10.060.0615.2022
SHA256: 16992b0be5d7cd9ba0bd81adde1d8e6ae04c3336238cb28d0856cc8a8236fa2e
Filename:Realtek_LAN(v10.060.0615.2022).zip
Release Notee

OS Win 11 x 64 Date 2024-07-19 Download
Description Realtek high definition audio driver ver:9618.1_UAD_WHQL Information

Size: 47Mib
Version: 9618.1_UAD_WHQL
SHA256: 2719b6c6b0e382328dbfef1c7c2e9370f363956abe8c0c644b929bcf3915405b
Filename:Realtek_Audio(v9618.1_UAD_WHQL).zip
Release Note

OS Win 11 x 64 Date 2024-07-19 Download
Description AMD RAIDXpert2 utility ver:9.3.2.00255 Information

Size: 128Mib
Version: 9.3.2.00255

SHA256: 8453060e3c5a41c27f8fdda7c40bb31337cea62f9ce3491a549df3f984198387
Filename: Raid_driver(9.3.2.00255).zip
Release Note

OS Win 11 x 64 Date 2025-05-06 Download
Version Update BIOS Under / How to Update Description Information Date Download
Version 1.00 Update BIOS Under / How to Update BIOS Description First release Information

Size: 11 MiB    

SHA1: F7EFE6E9ECF273C704E357B0645A339F298D7086

Date 2026-02-12 Download
Version 1.00 Update BIOS Under / How to Update Windows Description First release Information

Size: 12 MiB    

SHA1: 4B542C91DE629EA593C723809B17EDF69B2B6998

Date 2026-02-12 Download

The format of our documents are in PDF files. If you have not installed Adobe Acrobat Reader, please get it from Adobe.

Description Language Date Download
Description User Manual Language English Date 2026-03-18 Download
Description Jumpers and Headers Setting Guide Language English Date 2026-03-18 Download
Description Date Download
Download CPU Support List Date 2026-04-10 Download
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