ABC-bus (ABC 800)

Available at Luxor ABC 802.

Pinout

   +-+
 a | +-+ b
 1 |o o| 1
 2 |o o| 2
 3 |o o| 3
 4 |o o| 4
 5 |o o| 5
 6 |o o| 6
 7 |o o| 7
 8 |o o| 8
 9 |o o| 9
10 |o o| 10
11 |o o| 11
12 |o o| 12
13 |o o| 13
14 |o o| 14
15 |o o| 15
16 |o o| 16
17 |o o| 17
18 |o o| 18
19 |o o| 19
20 |o o| 20
21 |o o| 21
22 |o o| 22
23 |o o| 23
24 |o o| 24
25 |o o| 25
26 |o o| 26
27 |o o| 27
28 |o o| 28
29 |o o| 29
30 |o o| 30
31 |o o| 31
32 |o o| 32
   + +-+   (at computer)
   +-+

Pin	Dir	Name	Note
a1		-12V	Max 100mA (incl b1)
a2		0V
a3		/RESIN
a4		GND
a5		/INT
a6		D7	Data bit 7
a7		D6	Data bit 6
a8		D5	Data bit 5
a9		D4	Data bit 4
a10		D3	Data bit 3
a11		D2	Data bit 2
a12		D1	Data bit 1
a13		D0	Data bit 0
a14		n/c
a15		/RST	Reset
a16		IN0	Input 0 (for Databoard 4680)
a17		IN1	Input 1 (for Databoard 4680)
a18		/OUT5	Output 5 (for Databoard 4680)
a19		/OUT4	Output 4 (for Databoard 4680)
a20		/OUT3	Output 3 (for Databoard 4680)
a21		/OUT2	Output 2 (for Databoard 4680)
a22		/OUT0	Output 0 (for Databoard 4680)
a23		/OUT1	Output 1 (for Databoard 4680)
a24		/NM1
a25		/INP2
a26		/XINPSTB
a27		/XOUTPSTB
a28		/XM
a29		/RFSH	Refresh
a30		RDY	Ready
a31		+5V	Max 250mA (incl b31)
a32		+12V	Max 100mA (incl b32)
b1		-12V	Max 100mA (incl a1)
b2		0V
b3		/XMEMWR
b4		/XMEMFL
b5		Ø
b6		GND
b7		GND
b8		GND
b9		GND
b10		GND
b11		GND
b12		GND
b13		GND
b14		A15	Address bit 15
b15		A14	Address bit 14
b16		A13	Address bit 13
b17		A12	Address bit 12
b18		A11	Address bit 11
b19		A10	Address bit 10
b20		A9	Address bit 9
b21		A8	Address bit 8
b22		A7	Address bit 7
b23		A6	Address bit 6
b24		A5	Address bit 5
b25		A4	Address bit 4
b26		A3	Address bit 3
b27		A2	Address bit 2
b28		A1	Address bit 1
b29		A0	Address bit 0
b30		/MEMRQ	Memory Request
b31		+5V	Max 250mA (incl a31)
b32		+12V	Max 100mA (incl a32)

Note: Direction is computer relative devices.

Contributors

• Joakim Ögren

Sources

• Luxor ABC 802 servicemanual