New Boot Blocks = Missing Memory

[Joshua Krage <jkrage_(_at_)_buser_(_dot_)_net>]

Howdy.

I've been tracking -current on a system, and I finally got around to
upgrading the boot blocks on the system.  The BIOS is recognized again,
but reports only 64M out of 256M for system RAM.  (I was wondering
why things seemed sluggish!)

Under the original (2.5-release) bootblocks, the full 256 Mb was
utilized.  Like others, when the kernel was newer than the bootblocks
the BIOS wasn't configured, but the memory issue wasn't present.

How can I convince biosboot to give me all my RAM back? :)

Bootloader provides the line:
  Probing: pc0 com0 com1 apm mem[634K 63M 191M a20=on]

  boot> machine memory
  ...
  Total free memory: 261746KB

Dmesg of the bootup text:
  BIOS mem  = 653312 conventional, 67099648 extended
  real mem  = 67756032
  avail mem = 60383232
  using 852 buffers containing 3489792 bytes of memory

I re-installed the bootblocks again and checked just before sending
this message.  So I should be up-to-date.

So, where did my other 192 Mb go?  Any thoughts?

Thanks.