Except that I don’t have a 12745A memory board, I believe it’s a 12746A which I think I saw was a 16K board.
Thanks. TTFN - Guy > On Aug 12, 2019, at 4:07 PM, Mike Loewen via cctalk <cctalk@classiccmp.org> > wrote: > > > 2102B is the Standard Performance Memory Controller > 12745A is a 64KB (32KW) memory board > 12897B is a DCPC (Dual Channel Port Controller) > 12992B is a 7905/7906/7920/7925 disc loader PROM > 12892B is a Memory Protect board > 12944B is the Power Fail Recovery System > > On Mon, 12 Aug 2019, Guy Sotomayor Jr wrote: > >> Thanks all! >> >> The trick was opening up the front panel (I?m used to keylocks that are only >> electrical and not just physical). >> >> Here?s the HP label with the options: >> CPU 2103 >> MEM BP 1713 >> IO BP 1727 >> Accessories >> 12992B >> 12944B >> 2102B >> 12897B >> 12892B >> 12746A >> >> In opening the panel on the front card cage, I saw that it only had 16K of >> memory. :-( >> >> I?ll see about firing it up and if that goes well (anyone have suggestions >> for this type of mini?) I?ll see if I find more memory and suitable >> peripherals. >> >> Thanks. >> >> TTFN - Guy >> >> >>> On Aug 12, 2019, at 3:29 PM, Mike Loewen via cctalk <cctalk@classiccmp.org> >>> wrote: >>> >>> >>> The original M-Series machines were the 2105A and the 2108A (9-slot), >>> which sound like what you have. The early machines didn't say "M-Series" >>> on the front panel, and had a different lock than the later models: >>> >>> http://q7.neurotica.com/Oldtech/HP/2108A/HP2108A-8L.jpg (my model 2108A) >>> >>> Early models had the power switch on the back panel, while later models >>> had it behind the front panel. >>> >>> It sounds like you might have a later model M. It would be helpful to see >>> a closeup of the read card cage (with readable labels), as well as the >>> front card cage. The front card cage is accessed by unlocking the panel >>> and removing the cover on the right side over the card cage. That's where >>> the memory boards live. >>> >>> On Mon, 12 Aug 2019, Guy Sotomayor Jr via cctalk wrote: >>> >>>> It?s a 9-slot variant that says HP-1000 M-Series on the front panel. From >>>> what I can tell the front panel appears to be the same as any of the other >>>> HP-1000 series. >>>> >>>> What I?m trying to figure out is what the actual CPU configuration is >>>> without disassembly (which I still need to figure out) so that I can >>>> actually examine the boards. >>>> >>>> Thanks. >>>> >>>> TTFN - Guy >>>> >>>>> On Aug 12, 2019, at 2:59 PM, Norman Jaffe via cctalk >>>>> <cctalk@classiccmp.org> wrote: >>>>> >>>>> Can you provide a picture of the front panel? >>>>> 2113 implies a 21MX-E; the nine-slot version is a 2109 while the >>>>> fourteen-slot would be a 2113. >>>>> This might help - https://www.hpmuseum.net/display_item.php?hw=109 . >>>>> >>>>> From: "cctalk" <cctalk@classiccmp.org> >>>>> To: "cctalk" <cctalk@classiccmp.org> >>>>> Sent: Monday, August 12, 2019 2:52:18 PM >>>>> Subject: Identification of an HP minicomputer >>>>> >>>>> Hi, >>>>> >>>>> I have sitting in my pile of stuff an HP minicomputer that I?m trying to >>>>> identify (at least in terms of exactly what it is and what sort of >>>>> configuration it might have). >>>>> >>>>> As far as I can tell, it?s an HP-1000 M-Series minicomputer (that should >>>>> hopefully get us *some* details). The ?asset tag? lists the part number >>>>> as 2113023-108. Looking at the back there?s space for 9 I/O cards (5 are >>>>> occupied). >>>>> >>>>> So my question is which of the several CPUs could this be and how do I >>>>> tell (for example) what the configuration is (e.g. how much memory, etc). >>>>> >>>>> Yes, I have looked on bitsavers, but short of disassembling the box to >>>>> look at the (at least) 2 boards that are below the I/O slots, I can?t >>>>> tell what?s there and I?d like to see if there?s a way to determine what >>>>> this is without resorting to disassembly. >>>>> >>>>> Thanks. >>>>> >>>>> TTFN - Guy >>>> >>>> >>> >>> Mike Loewen mloe...@cpumagic.scol.pa.us >>> Old Technology http://q7.neurotica.com/Oldtech/ >> >> > > Mike Loewen mloe...@cpumagic.scol.pa.us > Old Technology http://q7.neurotica.com/Oldtech/
