Looking for PDP 11/40 Docs for M7856, 7891, or M9312

Looking for PDP 11/40 Docs for M7856, 7891, or M9312 CARD SLOT POSITIONs empty 1 -- (IF PRESENT WOULD BE USED FOR A 7239) empty 2 -- (IF PRESENT WOULD BE USED FOR A 7298) 7232 3 A-F (U WORD) 7231 4 A-F (DATA PATHS) 7233 5 A-F (IR DECODE) 7235 6 A-F (STATUS) 7236 7 A-F (TIMING) 7236 8 A-F (MEMORY MANAGER) 672A 9 D (GRANT CONT.) UNIBUS 9 A-B (RIGHT SIDE OF UNIBUS) UNIBUS 10 A-B (LEFT SIDE OF UNIBUS) M7856 10 F-C (RS232 WITH 19.2 OPTION?) G7273 11 C-D 7891 12 A-F (64k MEMORY) M9312 13 A-B (ROM CARD) 672A 13 D (GRANT CONT.) In short I have an upgraded to 64K system, the memory holds, I am attempting to interface with a terminal and need to confirm baud rate switch settings, etc. The docs on the 11/40 I have are limited to an original 8K core system. thanks. Bill