Re: DECstation 2100: power trouble?

["Maciej W. Rozycki" <macro%orcam.me.uk@localhost>]

On Wed, 15 Apr 2026, Mouse wrote:

> I've found a little more about my machine.  Not sure how much use it'll
> be, but here it is.
> 
> >> printenv
> baud2=1200
> baud3=9600
> bootpath=
> bootmode=*
> console=0
> kbd=00
> scsiid0=6
> systype=0x82012001
> bitmap=0xa000fcc0
> bitmaplen=0xc0
> inetaddr=0
> osconsole=8
> >> 
> 
> Nothing there surprises me, though I do wonder what the "bitmap" is.

 It's an address and length of a bit array indicating memory presence for 
OS use.

> >> test -c
> MEM: 24Mbytes
> VIDEO: NO
> ETHERNET STA ADDR: 08-00-2b-14-8c-7e
> SCSI DEVS:
> U[7]
> U[6]KN01--SII
> U[5]
> U[4]
> U[3]
> U[2]
> U[1]
> U[0]
> >> 
> 
> So, despite the 0x00000000, it does at some level realize it's got 24M
> of RAM.  I speculate that maybe this is related to my using ^C to abort
> the selftest.

 Yep, definitely.

  Maciej