On Sun, 13 Nov 2022 18:36:24 -0000 Rob Jarratt via cctalk <[email protected]> wrote:
> Given all the troubles I have had with the H7140 in my PDP 11/24 I am > considering whether to replace it with modern equivalents, installed > inside the H7140 enclosure. I am a bit puzzled by the specs listed in > the PDP 11/24 Maintenance Card, it suggests the PSU outputs +12V and > -12V from the memory inverter/memory regulator, but the specs for the > cards don't mention 12V so I don't know if I need 12V from the PSU. > My memory board is an M8722-BC (MS11-MB). I can't find a manual or > printset for this memory, so I am not sure what voltages it will > need, although I suspect it only needs +5V, +15V and -15V. Is that > right? The MS11-MB printset is here: http://wwcm.synology.me/pdf/MP00742%20MS11-M%20Field%20Maintenance%20Print%20Set.pdf
