Trying to install NetBSD 7.0.1 on ThinkPad x201

[Alex Dumitru <alex_dumitru%telus.net@localhost>]

Hi all,

Sorry if this is a dumb question, but I was trying to bring up NetBSD on an x201 with a brand new 500GB SSD
and got this message during installation:

installboot: Old BPB too big, use -f (may invalidate file system)

I selected to use the whole drive for NetBSD, update the boot blocks, and did manual partitioning
on the drive using up all the space (until NetBSD disk partitioning tool reported 0 Mb free space).

Is this because there are no bootblocks on the drive to begin with and I allocated all disk space to NetBSD partitions?

Should I drop into a shell and:

dd if=/dev/zero of=/dev/<my_drive> bs=1024k count=1

and then leave some free space (1Mb) on the drive (not allocate all space to partitions)?

thanks in advance for any pointers...

cheers
alex

p.s I did drop into the shell and issued the command with -f, completed the installation,
but at reboot it just told me no bootable OS exists.