SVBUS.DOC

SVBUS.DOC - Diskserver bus documentation

;030504 Extended from print. L
;xx1002 Modified. L
;161002 Created from signal tracing. L

Diskserver bus

The B pins are not used.

	A		C
1	
2	+5V		+5V
3	+5V		+5V
4	+12V		+12V
5	-12V		-12V
6	GND		GND
7	4Mhz	
8	
9	MREQ-		IORQ-
10	M1-		RFSG-
11	RD-		WR-
12	RESET-		
13	*RAMOFF-	*BUFDIR-
14	*SERVE-		*WAIT-
15	*INT1-		*INT2-
16	
17	...		...
18	...		...
19	...		...
20	A15		A14
21	A13		A12
22	A11		A10
23	A9		A8
24	A7		A6
25	A5		A4
26	A3		A2
27	A1		A0
28	D7		D6
29	D5		D4
30	D3		D2
31	D1		D0
32	GND		GND