CPU: KDF11B LSI-11/23-PLUS M8189 (Digital_Microcomputer_Products_Handbook_1985, 4.1- (p.63-) CPU in E75, MMU in E74 Manufacturer Test Jumpers are default: J6-J7 J8-J9 J20-J21 J35-J34 J33 J25 J26 - J27 J10-J11 : sets line clock interrupt enable FF and allows Q-bus BEVENT for prog interrupts. J12 open : SLU2 is at 776500 J13 open : SLU2 enabled J14 open : SLU1 (console) enabled J15 open : boot/diag registers, ROMs and line clock reg. enabled J16 open : Halt/Trap J17 open : J18-J19 : Bootstrap E114/S2-1 to S2-4 set to 9600 Baud for SLU1/Console (S2-4-1: off-off-on-on) J42-J43 installed internal Baud Rate generator J41 open SLU1/Console: J39 open : 8-bit characters J37-J38 : one stop bit J36 open : Parity check disabled J40 open : Even Parity (not meaningful with J36 open) J3 open : J4-J5 : Break/Halt disabled E114/S2-5 to S2-8 set to 9600 Baud for SLU2 (S2-8-5: off-off-on-on) SLU2: J31 open : 8-bit characters J29-J30 : one stop bit J28 open : Parity check disabled J32 open : Even Parity (not meaningful with J28 open) E102/S1- to S1-4 Diagnostics/Bootstrap switches S1-1 on : CPU diagnostics executed at powerup S1-2 on : memory diagnostics executed at powerup S1-3 off: DECnet boot disabled S1-4 on : Console test and dialogue S1-5 to S1-8 DECnet and Turnkey boot options set to (S1-5-8: off-off-on-on) TU58 boot J22-J23 : Boot & diagnostics EPROM option (EPROMs are installed) J24 open : Boot & diagnostics ROM option Backplane jumpers W1 & W2 installed ==================================== Tested with two different memory cards: M8067 MSV11-PL 9 * 8 NEC4164: 256 kWord (Digital_Microcomputer_Products_Handbook_1985, 14.1- (p.201-) J6-J7 : installed J8 open : J21 open : J22-J23 : inhibit J44-J45 : installed J43 open : J1, J2, JY, JX, JW, JV open : Starting Address Jumpers - 0-248 K JU, JT, JS, JR, JP, JN, JM, JL open : Starting Address Jumpers - 0 K JA, JB, JC, JD, JE open : CSR Address Jumpers - 0o772104 JF, JH open : Misc, always open W1 installed (bus Grant Continuity) W2 installed (bus Grant Continuity) W4 installed (always) W5 installed (always) W9 installed (only non-battery backup) W12 open (battery backup) W13 installed (only non-battery backup) W14 open (battery backup) W15 installed (only non-battery backup) ==================================== M7551 MSV11-QB 18 * 4 KM41256AP: 2048 kWord (Digital_Microcomputer_Products_Handbook_1985, 15.10- (p.220-) J1-J2 : test jumper J3 open : J12-J13 : test jumper J14 open : J15 open : J16-J17 : test jumper J4-J5 : CSR register selection (off) card is second memory board. J6-J7 : CSR register selection (on) J8-J9 : CSR register selection (on) J10-J11 : CSR register selection (on) SW2 Starting address (@512Kbytes - SW2-1-6: on-on-off-off-off-off. @0Kbytes - on-on-on-on-on-on-on) SW1 Ending address (@2048kbytes - SW1-1-5: on-on-on-on-off-off) W1 : Battery backup jumper. W30 : Battery backup jumper.