> -----Original Message----- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Robert > Jarratt > Sent: 23 April 2016 00:17 > To: 'General Discussion: On-Topic and Off-Topic Posts' > <cctalk@classiccmp.org> > Subject: RE: AlphaStation 200 NVRAM Problem > > > > > > > Someone mentioned there is a battery. It could be held by that, or a > module > > from ST Microelectronics or Dallas Semiconductor. The latter two tend > > to > be > > plastic packages that are ~28 pins or so and taller than normal chips. > > The Dallas and ST modules have RAM/real time clock and a battery in > > one package. > > > > In the case of some arcade games (Silent Scope from Konami is a big > > one), once the NVRAM looses it's contents the machine wont load past > > it in the bootup process. On the Sun Workstations when the modules go > > bad it will boot but but the MAC address is blank. It's possible to > > reprogram the contents back on the Sun workstations. > > > > If the case of the AlphaStation is that it can't get past post without > > the contents of the NVRAM, and the NVRAM is in a Dallas or STM module > > then the easy solution is to get a dump of a working system, perhaps > > hex edit > the > > contents to correct the MAC address, then plug it in (hopefully > > socketed.) > > > > If the NVRam is held by a CR3202 battery and a SMD SRAM chip or > > something, there would have to be a way around it being blank I'd imagine. > > > > In my case there is just a CR2032, and no Dallas module. I will try replacing the > CR2032 again. >
Just tried replacing the CR2032 again, but I get the same error :-( Regards Rob
