IMB-A1302 Micro-ATX Motherboard

Processor System

CPU	AMD EPYC™ 4005/4004 and AMD Ryzen™ 9000/8000/7000 Series Desktop Processors*, up to 170W *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	Micro-ATX (9.6-in x 9.6-in x 1.81-in, 24.4 cm x 24.4 cm x 4.61 cm)

Memory

Technology	Dual Channel ECC/non-ECC DDR5 5600 MHz *ECC support may vary by CPU
Capacity	256GB (64GB per DIMM)
Socket	4 x 288-pin Long-DIMM

Graphics

Controller	AMD RDNA™ 2 Architecture
DisplayPort	DisplayPort 1.2, DP++ Max resolution up to 4096x2160@60Hz
eDP	eDP 1.4b Max resolution up to 4096x 2160@60Hz
MultiDisplay	Quad Display

Expansion Slot

PCIe	1 x PCIe x16 (Gen5, Support riser card x8/x8) 2 x PCIe x4 (Gen4)
M.2	1 x M.2 (Key E, 2230) with PCIe Gen4 x1 and USB 2.0 for Wireless

Audio

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

Ethernet

Controller/ Speed	LAN1: Intel® I226V with 10/100/1000/2500 Mbps LAN2: Intel® I226V with 10/100/1000/2500 Mbps LAN3: Intel® I226V with 10/100/1000/2500 Mbps LAN4: Intel® I226V with 10/100/1000/2500 Mbps LAN5: Realtek RTL8111FP with 10/100/1000 Mbps
Connector	5 x RJ-45

Rear I/O

HDMI	2 x HDMI 2.0
COM	COM1 (RS-232/422/485)
VGA	1
Ethernet	1 x 1 Gigabit LAN 4 x 2.5 Gigabit LAN
USB	6 x USB 3.2 Gen2
Audio	3 (Mic-in, Line-in, Line-out)

Internal Connector

USB	1 x USB 3.2 Gen1 (Type-C Header) 6 x USB 2.0 (3 x 2.54 pitch header, 1 x USB 2.0 Type-A vertical con)
COM	COM2 (RS-232/TTL5V/ ccTALK)
LVDS	1 (Connector with LVDS/eDP signal, switch by BIOS) (BOM option)

Security

TPM	TPM 2.0 onboard IC

Storage

M.2	1 x M.2 (Key M, 2230/2280/3042) with PCIe Gen4 x4, SATA3 and USB 2.0 for SSD
SATA	2 x SATA3 (6Gb/s) (1 x shared with Key M)

Watchdog Timer

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

Power Requirements

Input PWR	ATX PWR (24+4-pin)
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 ~ 60ºC
Storage Temp	-40° C ~ 85° C
Operating Humidity	5% ~ 90%
Storage Humidity	5% ~ 90%

Accessories

Bulk Package	2 x SCREW M3*2.5 (13G02P072010AK) 1 x I/O Shield (13G02P129000AK )
Gift Package	2 x SATA Cable (14G00010107DAK) 1 x I/O Shield (13G02P129000AK ) 3 x SCREW M3*2.5 (13G02P072010AK)

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.

• Drivers
• BIOS
• Manual