perm filename HARD.502[CMS,LCS]1 blob sn#180060 filedate 1975-10-05 generic text, type C, neo UTF8
COMMENT ⊗   VALID 00005 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002			MPU PINS
C00003 00003			CPU BOARD
C00004 00004			MEM BOARD
C00005 00005			PARTS LIST
C00009 ENDMK
C⊗;
		MPU PINS
PIN#	PIN NAME	TO

1	VSS		BP 2

2	RDY		BP 4 ∧∨ DMA LOG

3	01		BP 11
	___		___
4	IRQ		IRQ DECODE

5	NC		NC
	___		       ___
6	NMI		BP 5 ∨ NMI DECODE

7	SYNC		BP 10

8	VCC		BP 1

9-25	AB0 - AB15	BPS 22 - 37

26-33	DB7 - BD0	BPS 21 - 14

34	R/W		BP 13

35-36	NC		NC

37	0O		CLK LOG

38	S.O.		BP 9

39	02		BP 12 ∧ 
	___
40	RES		POW SUPL

		CPU BOARD
PIN#	BUS NAME	TO

1	+5V		VCC PINS
2	GND		VSS PINS
	___
3	RST		PIA1 ∧ SW1 ∧ POW SUPL

4	RDY/HLT	?	RDY PIN ∧ (SW2 ∨ DMA)
	___		       ___
5	NMI ?		SW3 ∧ (NMI PIN ∨ PILOG)

6	PI0 ?		| ___		       ___
7	PI1 ?		| IRQ DECODE ∧ ORED TO IRQ PIN
8	PI2 ?		|

9	S.O. ?		S.O. PIN ∧ SW3

10	SYNC ?		SYNC PIN

11	01   ?		01 PIN
12	02   ?		02 PIN

13	R/W		R/W PIN

14-21	DB0 - DB7	DB0 - DB7 PINS

22-37	AB0 - AB15	AB0 - AB15 PINS

		MEM BOARD
PIN#	BUS		TO

1	+5V		VCC PINS
2	GND		VSS PINS
	___
3	RST		NC

4	RDY/HLT	?	?
	___
5	NMI ?		NC

6	PI0 ?		NC
7	PI1 ?		NC
8	PI2 ?		NC

9	S.O. ?		NC

10	SYNC ?		?

11	01   ?		?
12	02   ?		?

13	R/W		R/W PINS

14-21	DB0 - DB7	DB0 - DB7 PINS

22-31	AB0 - AB9	AB0 - AB9 PINS
32-37	AB10 - AB15	ADDR DECODE

		PARTS LIST
 QTY	NAME		COMMENT			PRICE

MEMORY
  2?	3604		4K PROMS (512 X 8)		PMF
  1?	1702A		2K EPROM (256 X 8)	$14.	SSM

I/O
  6∨9?	7 SEG LCD∨LED	STATUS DISPLAY			RSK
  25?	LEDS		STATUS DISPLAY			CLB,RSK

IC'S ETC.
  ?	.01-.05 mPF	CAPASS 				CLB,SSM,ELM
  ?	100 PF		CAPASS 				 "   "   "
  ?			RESISTORS			 "   "   "
  ?			ABUS DRIVERS			CLB,SSM
  2	8T26 ?		TRI DBUS DRVS RCV		 "   "
  2?	SN74148 ?	PRIORITY ENCODER		 "   "

  1?			PAR GEN/CKER			 "   "
  1?			ONE OF EIGHT			 "   "
  1?			QUAD 2 IN DATA SEL		 "   "

HARDWARE
  2	40 PINS		SOCKETS (W.W.?)		$3.0?	?
  2?	24 PINS		SOCKETS (W.W.?)		$ 0.?	?

PANEL
  4?	SW'S					$ 0. ?	CMS,CLB ?