p796 Probe for HP1650B

The probe for the p796 bus is built by connecting the cables from one HP1650B Pod to an 86-pin socket. The socket is plugged onto the multibus extension plug.

The Pod is wired as shown below:

P796 Probe Diagram

Pod		Multibus		Pod
	 +----------------+
NC 	 1 | | 2		NC
NC	 3 | | 4		NC
NC	 5 | | 6		NC
NC	 7 | | 8		NC
NC	 9 | | 10	NC
NC	11 | | 12	NC
P3-0	13 | BCLK/ INIT/ | 14	P3-1
P3-2	15 | BPRN/ BPRO/ | 16	P3-3
P3-4	17 | BUSY/ BREQ/ | 18	P3-5
P3-6	19 | MRDC/ MWTC/ | 20	P3-7
P3-8	21 | IORC/ IOWC/ | 22	P3-9
P3-10	23 | XACK/ INH1/ | 24	P3-11
P3-12	25 | AACK/ INH2/ | 26	P3-13
NC	27 | | 28	NC
NC	29 | | 30	NC
NC	31 | CCLK/ | 32	NC
NC	33 | | 34	NC
NC	35 | INT6/ INT7/ | 36	NC
NC	37 | INT4/ INT5/ | 38	NC
NC	39 | INT2/ INT3/ | 40	NC
P3-15	41 | INT0/ INT1/ | 42	NC
NC	43 | ARDE/ ADRF/ | 44	NC
NC	45 | ARDC/ ADRD/ | 46	NC
NC	47 | ARDA/ ADRB/ | 48	NC
NC	49 | ARD8/ ADR9/ | 50	NC
NC	51 | ARD6/ ADR7/ | 52	NC
NC	53 | ARD4/ ADR5/ | 54	NC
NC	55 | ARD2/ ADR3/ | 56	NC
NC	57 | ARD0/ ADR1/ | 58	NC
NC	59 | DATE/ DATF/ | 60	NC
NC	61 | DATC/ DATD/ | 62	NC
NC	63 | DATA/ DATB/ | 64	NC
NC	65 | DAT8/ DAT9/ | 66	NC
NC	67 | DAT6/ DAT7/ | 68	NC
NC	69 | DAT4/ DAT5/ | 70	NC
NC	71 | DAT2/ DAT3/ | 72	NC
NC	73 | DAT0/ DAT1/ | 74	NC
NC 	75 | | 76	NC
NC	77 | | 78	NC
NC	79 | | 80	NC
NC	81 | | 82	NC
NC	83 | | 84	NC
NC	85 | | 86	NC
	 +----------------+

Bill

2225 MST 30 August 2012