HELP: Upgrade 3.5 to 4.1

[Paul A. Sustman]

> From:    dsinet!marka at quick.com (elroy)
>
> I just decided to bite the figurative bullet and upgrade my 3/50 from 3.5
> to SunOS 4.1.  Problem is, the 4.1 install won't boot off the tape.  I've
> got a 3/50 monochrome with a Toshiba 140mb disk and 60mb tape (standard
> shoebox), and a Parity 4mb memory board.  I drop to the prom and do a:
> 
>     b st()install sd(0,0,1)
> 
> and get back:
> 
>     invalid page bus error:
>     Vaddr: FEFE0038, Paddr: 00000038, Type 0, Read FC5, Size 4

Mark,

You need a PROM upgrade kit:

	The Magical Part Number is FCO kit 809-0022-01.
	Call the 800 number to get the kit.

Good luck waiting six+ weeks.

Paul Sustman.
Cray Research, Inc.

P.S.  Sun SHOULD have known about this problem.