User manual

B. Specifications
130
J6 Local Bus Pinout (continued)
Pin# Signal Type Description Pin# Signal Type Description
24 A19 Out CPU Address 74 GND ------ Ground
25 A22 Out CPU Address 75 /BE1 Out Byte Enable
26 A21 Out CPU Address 76 /SLCT In Module Select
27 A24 Out CPU Address 77 /BE2 Out Byte Enable
28 A23 Out CPU Address 78 /PRES In Module Present
29 VCC ------ +5 Volts 79 /BE3 Out Byte Enable
30 A25 Out CPU Address 80 /RDY In Ready
31 A26 Out CPU Address 81 GND ------ Ground
32 A27 Out CPU Address 82 /BRDY In Burst Ready
33 A28 Out CPU Address 83 ADS Out Address Status
34 A29 Out CPU Address 84 /BLAST Out Burst Last
35 A30 Out CPU Address 85 M/I Out Memory/I/O
36 A31 Out CPU Address 86 /LBA In Local Bus Ack.
37 D00 In/Out CPU Data 87 W/R Out Write/Read
38 GND ------ Ground 88 /KEN Out Cache Enable
39 D02 In/Out CPU Data 89 D/C Out Data/Control
40 D01 In/Out CPU Data 90 /VIDEN Out Video Enable
41 D04 In/Out CPU Data 91 RESET Out CPU Reset
42 D03 In/Out CPU Data 92 KBD Out Keyboard Data
43 D06 In/Out CPU Data 93 RSVD ------ Reserved
44 D05 In/Out CPU Data 94 KBC Out
Keyboard
Clock
45 D08 In/Out CPU Data 95 GND ------ Ground
46 D07 In/Out CPU Data 96 GND ------ Ground
47 GND ------ Ground 97 CLK14 Out
14.318 MHz
Clock
48 D09 In/Out CPU Data 98 CLK Out CPU Clock
49 D10 In/Out CPU Data 99 VCC ------ +5 Volts
50 D11 In/Out CPU Data 100 VCC ------ +5 Volts