[rescue] Sparcstation 10 woes during boot

[Malte Dehling]

On Sun, May 23, 2021 at 10:09:14AM -0400, Mouse wrote:
> > I've got an SS10 with a 501-2352 (50MHz) MBUS module, 4x16Mb memory,
> > which fails to boot.  [...]
> 
> > Mapping RAM
> > Mapping ROM
> > 
> > ---- CUT HERE ----
> 
> How long did you wait?  On my SS20s, if the TOD clock is stopped, it
> freezes at one point during POST for long enough that, if I weren't
> accustomed to it, I would think it had wedged.  (I forget how long.
> Thirty seconds?  A minute?)  I don't recall whether the SS10 is the
> same; it's been a while since I used a 10.

The SS10 also hangs a while when booting with a failed nvram.  The
output on mine looks pretty similar:

[...]
Available Memory 0x1f000000
Allocating SRMMU Context Table
Context Table allocated, Available Memory 0x1efc0000
Setting SRMMU Context Register
Context Table allocated, Available Memory 0x1efc0000
Setting SRMMU Context Table Pointer Register
RAMsize allocated, Available Memory 0x1efb0000
Allocating SRMMU Level 1 Table
Level 1 Table allocated, Available Memory 0x1efafc00
Mapping RAM @ 0xffef0000
RAM mapped, Available Memory 0x1efafa00
Mapping ROM @ 0xffd00000
ROM mapped, Available Memory 0x1efaf800
Mapping ROM @ 0x00000000
ROM mapped, Available Memory 0x1efaf000
ttya initialized
Cpu #0 TI,TMS390Z50
Cpu #1 Nothing there
Cpu #2 TI,TMS390Z50
Cpu #3 Nothing there
[...]

> Also, are you familiar enough with the SS10 to recognize a cg14 if
> present?  That could give the machine a framebuffer without it looking
> like it if all you know to look at is the sbus.  (I _think_ the SS10
> supported the cg14.  The 20 does, but I don't have a 10 to check closer
> than my off-site storage unit.  The cg14 takes the form of a so-called
> VSIMM, something like a stick of memory (it occupies a RAM slot with an
> extension that connects to an additional socket in-line with the RAM
> socket).

Most SS10s do not have the builtin CG14, only the (rare) SS10SX does.

Cheers,
Malte

-- 
Malte Dehling
<mdehling at gmail.com>