Debian installation - mkfs.vfat not present

[sparky mat]

According to the 'Booting from SD' page on wiki, I have to do  a mkfs.vfat
on the kernel partition. However, only mkfs.ext2 and mkfs.ext3 is available.
I tried with ext2 last week and had the kernel repeatedly getting curropted.
Is this because of it not being a vfat partition or does my using a SDHC
card matter?
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