User`s guide

26 • Jumpers and Connectors
2.3.7 Parallel Port Connector (on RTM)
Signal Name Pin # Pin # Signal Name
Line printer strobe 1 14 AutoFeed
PD0, parallel data 0 2 15 Error
PD1, parallel data 1 3 16 Initialize
PD2, parallel data 2 4 17 Select
PD3, parallel data 3 5 18 Ground
PD4, parallel data 4 6 19 Ground
PD5, parallel data 5 7 20 Ground
PD6, parallel data 6 8 21 Ground
PD7, parallel data 7 9 22 Ground
ACK, acknowledge 10 23 Ground
Busy 11 24 Ground
Paper empty 12 25 Ground
Select 13 N/A N/A
Table 17: Parallel Port Pin Assignment
2.3.8 Floppy Connector (on RTM)
Pin Function Pin Function
1 Ground 2 Extended Density
3 Ground 4 No Connect
5 - 6 Data Rate
7 Ground 8 Index
9 Ground 10 Motor A Select
11 Ground 12 Drive B Select
13 Ground 14 Drive A Select
15 Ground 16 Motor B Select
17 Ground 18 Step Direction
19 Ground 20 Step Pulse
21 Ground 22 Write Data
23 Ground 24 Write Gate
25 Ground 26 Track 0
27 Ground 28 Write Protect
29 Ground 30 Read Data
31 Ground 32 Side 1
33 Ground 34 Disk Change
Table 18: Floppy Connector Pin Definition
1
14
13