User`s manual

Motorola Host Computer Card and Command Converter Support Information 4-1
Chapter 4
Host Computer Card and Command
Converter Support Information
This chapter provides the host computer connector signal descriptions, part lists and
schematics for hardware that is required to run with the ADS software. This list includes
the host interface cards, host interface cable, and the command converter card.
4.1 Host Interface Card Bus Signal Description
Each host interface card is designed for a unique host computer bus architecture. This
section describes the card edge connector signals used by each host computer’s expansion
bus. This information is for reference only.
Table 4-1. PC Interface Card J2 (ISA-16 Bus) Connector
Pin # Mnemonic Signal Name and Description
A1 I/O CH CK
No Connect
A2–A9 D7–D0 PC Bus data bits 7 to 0.
A10 I/O CH RDY
No Connect
A11 AEN PC BUS Address Enable output
A12–A21 A19–A10 No Connect
A22–A31 A9–A0 PC Bus address bits 9 to 0.
B1 GND PC ground
B2 RESET PC reset signal,(positive true).
B3 +5v PC +5 V
B4-B8 No Connect
B9 PC +12 V
B10 GND PC ground
B11–B12 MEMW
/MEMR No Connect
B13 IOW
I/O write command,(negative true).
B14 IOR
I/O read command,(negative true).
B15–B20 No Connect
B21 IRQ7 PC Interrupt request 7,(Printer), NOT USED.
B22–B23 No Connect
B24 IRQ4 PC Interrupt request 4,(COM1), NOT USED