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