install problems

[chuck miller]

probing for pnp devices on ppbus0
ppbus0: <hewlett-packard deskjet 820c> scp,vlink
plip0: <plip network interface> on ppbus0
ad0: dma limited to udma33,non-ata66 cable or device
ad0: read command timeout tag=0 serv=0 -resetting
ata0: resetting devices..

this is where it locks up!
  ----- Original Message ----- 
  From: Lowell Gilbert 
  To: chuck miller 
  Cc: freebsd-questions at FreeBSD.org 
  Sent: Saturday, October 18, 2003 12:24 PM
  Subject: Re: install problems


  "chuck miller" <chuckepl at core.com> writes:

  > Hi, I'm having problems trying to install freebsd 4.8 on my sony
  > vaio pcv-rx850.............Everything is factory except I added a
  > 2gig hard drive..The problem I have is my computer locks up trying
  > to install and never gets to the menu. However if the hard drives
  > are disconnected I can get to the menu but can get no further.  Can
  > you help or at least guide me in the right direction????

  What is the last message before it locks up?