Yes, there are ways. For instance, you could use the COPY CON command and then enter a machine language program using the keyboard (The folks on comp.lang.asm.x86 came up with a nice one using base64) although that is probably not the most time efficient method.

What type of storage device did you boot from? What other software is on there? Is there an RS232 serial port?

On Tue, 23 Jan 2018 23:01:56 -0500, Brian Yglesias <> wrote:

I just attempted to flash a sas controller into IT mode and it failed. Now I don't have the original firmware to revert the change, and if I reboot I will brick
the controller.

Is there any way to add files to freedos once it is booted?

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