Parts list for CS/A KEY board, version 1.0
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IC	1		74LS688
	2		6821		PIA
	3		6551		ACIA
	4		74LS145
	5		MAX232		RS232 level driver
	6		74LS04

P	1		CS/A bus connector
	2		20 pin single line male	(C64 keyboard connector)
	3		D-sub 25pin female (PET 8*** keyboard connector)
	4		D-sub 9pin male (RS232)

R	1-8		10k
	9		3.3k

C	1-6		60-100nF	decoupling C between Vcc and GND
	7-10		47uF