8080 Probe for HP1650B

The probe for the 8080 processor is built by connecting the cables from two HP1650B Pods to a 40-pin Chip-Clip. I had to solder 0.025 inch SIP pins onto the clip, as its pins were a bit large.

The two Pods are wired as shown below:

8080 Probe Diagram

Pod		   8085			Pod
	   +----------------+
P2-10	 1 | A10        A11 | 40	P2-11
NC	 2 | GND        A14 | 39	P2-14
P1-4	 3 | D4         A13 | 38	P2-13
P1-5	 4 | D5         A12 | 37	P2-12
P1-6	 5 | D6         A15 | 36	P2-15
P1-7	 6 | D7          A9 | 35	P2-9	
P1-3	 7 | D3          A8 | 34	P2-8
P1-2	 8 | D2          A7 | 33	P2-7
P1-1	 9 | D1          A6 | 32	P2-6
P1-0	10 | D0          A5 | 31	P2-5
NC	11 | Vbb         A4 | 30	P2-4
P1-15	12 | RST         A3 | 29	P2-3
P1-9	13 | HOLD       Vdd | 28	NC
NC	14 | INT         A2 | 27	P2-2
NC	15 | 02          A1 | 26	P2-1
NC	16 |             A0 | 25	P2-0
P1-12	17 | DBIN      WAIT | 24	P1-11
P1-13	18 | *WR        RDY | 23	P1-10
P1-14	19 | SYNC        01 | 22	P1-CLK
NC	20 | Vcc       HDLA | 21	P1-8
	   +----------------+

Bill

1845 MST 12 April 2013