cm4 flash issues

first im pretty new to Pi. (have used octoprint/mainsail/kliper) cm4 with emmc and Wifi, the chip came from a scyncobit hnt miner. cm4 was working fine just needed a new image. used https://www.amazon.com/dp/B0BL37N993?psc=1&ref=ppx_yo2ov_dt_b_product_details loaded the new image with pi imager, with rpi boot. on startup act 3s 3l. pi imager ran erase. (rpiboot.exe -d msd -v -l) now rpiboot gives only: Device located successfully Loading: msd/bootcode4.bin Initialised device correctly Found serial number 3 Sending bootcode.bin libusb_bulk_transfer sent 24 bytes; returned 0 Writing 106008 bytes libusb_bulk_transfer sent 106008 bytes; returned 0 Successful read 4 bytes Waiting for BCM2835/6/7/2711... act light act 4long 5short tried different pc, on mint Linux , different cables. same result. Compute Module 4 IO Board ordered

Let rpiboot.exe running and then you have the emmc loaded in to windows to install a new image

If rpiboot finished you can start installing like a normal pi