Dell PowerConnect 6224 Command Line Interface Manual page 183

This is the output from the update boot code option:
Do you wish to update Boot Code? (y/n) y
Validating image2....OK
Extracting boot code from image...CRC valid
Erasing Boot Flash.....^^^^Done.
Wrote 0x10000 bytes.
Wrote 0x20000 bytes.
Wrote 0x30000 bytes.
Wrote 0x40000 bytes.
Wrote 0x50000 bytes.
Wrote 0x60000 bytes.
Wrote 0x70000 bytes.
Wrote 0x80000 bytes.
Wrote 0x90000 bytes.
Wrote 0xa0000 bytes.
Wrote 0xb0000 bytes.
Wrote 0xc0000 bytes.
Wrote 0xd0000 bytes.
Wrote 0xe0000 bytes.
Wrote 0xf0000 bytes.
Wrote 0x100000 bytes.
Validating Flash.....Passed
Flash update completed.
183
Using the CLI