[SPARCbook] Reviving a Dead SparcBook 3GS - stuck booting

[Barry A. Dobyns]

Okay, so I cracked it open - unscrewed the base, pulled off the display, disconnected the display cables, took off the keyboard, and
pulled off the CPU card.

As long as I'm inside, does anyone have any experience "overclocking" a sparcbook?

Anyhoo, I'm still trying to revive the dead 3GS, and still operating on the "dead NVRAM/PROM conjecture":

Inside there's a (suprise!) a bunch of stuff, but the only thing that's socketed anywhere is a M4T28-BR12SH1 "Timekeeper" NVRAM
lithium battery.  And when I pull it off, it looks like just a battery that snaps on the top of the clock chip/NVRAM, which is an
M48T18.  Look up the parts at http://www.st.com, http://us.st.com/stonline/prodpres/memory/selector/mpge_a40.htm

The PROMs are __soldered down__ on the main board. And they're the tiny little surface mount SMT types - there's no chance I'll
replace them myself.

-b

----- Original Message -----
From: <krakxl at fcmail.com>
To: <sparcbook at sunhelp.org>
Sent: Wednesday, December 15, 1999 12:41 PM
Subject: Re: Re: Re: [SPARCbook] Reviving a Dead SparcBook 3GS - stuck booting


> Sorry to piss you off, just trying to help. I do feel your
> pain though, a sparc book is an expensive piece of hardware,
> and even I S*** a brick when my (slow assed, POS, balack and
> ******* white) Cheap old IPC Goes AWOL. I was going to ask
> if A sparc5 PROM would do the trick, but the answer is obviously
> NO.
>
>
> /*You are not expected to understand this*/
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