user manual

Connectors
http://www.motorola.com/computer/literature 5-37
5
9 DD4 Drive data
line
10 DD11 Drive data
line
11 DD3 Drive data
line
12 DD12 Drive data
line
13 DD2 Drive data
line
14 DD13 Drive data
line
15 DD1 Drive data
line
16 DD14 Drive data
line
17 DD0 Drive data
line
18 DD15 Drive data
line
19 GND Ground 20 - -
21 DMARQ Drive DMA
request
22 GND Ground
23 IOW Drive I/O
write
24 GND Ground
25 IOR Drive I/O
read
26 GND Ground
27 IORDY Drive is ready
for I/O cycles
28 CSEL Cable select
29 DMACK Drive DMA
acknowledge
30 GND Ground
31 INTRQ Drive
interrupt
request
32 IOCS16 16 bit
register is
decoded
Table 5-20. EIDE Header (J5) Pin Assignments
Pin
Signal
Mnemonic
Signal
Description Pin
Signal
Mnemonic
Signal
Description