What is the Burroughs part number / printed on the chip? The 1449 1112 RAM chips are Burroughs' part number for the intel 2102 RAM Bill
On Sat, Jan 21, 2023, 3:51 PM Brent Hilpert via cctalk < cctalk@classiccmp.org> wrote: > On 2023-Jan-21, at 11:25 AM, Mike Stein via cctalk wrote: > > > Finally, some Burroughs memory boards containing what I think are 2102s, > > but I'd have to investigate. > > Soldered or socketed? > > I'm on the lookout for 16 (or more to have some spares) 2102s to populate > an EconoRAM S100 memory board to go in an Altair. Proviso being they have > to be 'fast enough' (<=450nS, not sure whether 650 would be OK or not). > > ... > > Speaking of gold-plated chips, I'm finally scrapping the last remnants > of a > > Redactron mag card word processor; the main board has some house numbered > > white ceramic chips with the usual gold pins and lids (24, 40, 16 pins). > > (Could probably figure out many of them with some rev-eng'ing to get their > pinout.) > >