User manual

B. Specifications
129
J6 (Local Bus)
J6 is a 100-pin (dual 50-pin) vertical receptacle with 0.05 inch contact spacing. This
connector includes the signals needed for a local bus interface. This interface is used by
optional piggyback adapters, such as the Ziatech zVID video adapters. The pin
assignments are given in the “J6 Local Bus Video Pinout” table below. The mating
connector is an AMP 1-104655-1 (0.250 inch mated height), 1-10456-0 (0.320 inch
mated height), or 1-104693-0 (0.0390 inch mated height).
J6 Local Bus Pinout
Pin# Signal Type Description Pin# Signal Type Description
1 VCC ------ +5 Volts 51 D12 In/Out CPU Data
2 VCC ------ +5 Volts 52 D13 In/Out CPU Data
3 A02 Out CPU Address 53 D14 In/Out CPU Data
4 GND ------ Ground 54 D15 In/Out CPU Data
5 A04 Out CPU Address 55 D16 In/Out CPU Data
6 A03 Out CPU Address 56 D17 In/Out CPU Data
7 A06 Out CPU Address 57 D18 In/Out CPU Data
8 A05 Out CPU Address 58 VCC ------ +5 Volts
9 A08 Out CPU Address 59 D20 In/Out CPU Data
10 A07 Out CPU Address 60 D19 In/Out CPU Data
11 GND ------ Ground 61 D22 In/Out CPU Data
12 A09 Out CPU Address 62 D21 In/Out CPU Data
13 A10 Out CPU Address 63 D24 In/Out CPU Data
14 A11 Out CPU Address 64 D23 In/Out CPU Data
15 A12 Out CPU Address 65 GND ------ Ground
16 A13 Out CPU Address 66 D25 In/Out CPU Data
17 A14 Out CPU Address 67 D26 In/Out CPU Data
18 A15 Out CPU Address 68 D27 In/Out CPU Data
19 A16 Out CPU Address 69 D28 In/Out CPU Data
20 A17 Out CPU Address 70 D29 In/Out CPU Data
21 A18 Out CPU Address 71 D30 In/Out CPU Data
22 GND ------ Ground 72 D31 In/Out CPU Data
23 A20 Out CPU Address 73 /BE0 Out Byte Enable