Texas Instruments 660 - Manual (Page 34)

2-8 Installation
2.4.2 Installing an External Parallel Printer
The Notebook is equipped with an external, bidirectional, ECC/EPP compatible, 25-pin
parallel printer port. The connector pinouts and connector location are shown in
Figure 2-5.
Figure 2-5 Parallel Port Pinouts
1 2 3 4 5 6 7 8 9 10 11 12 13
14 15 16 17 18 19 20 21 22 23 24 25
PARALLEL PORT PINOUTS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
SIGNAL SPP MODE
STB*
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
ACK*
BUSY
PE
SLCT
AFD*
ERR*
Ground
INIT*
SLIN*
Note: * Denotes
Active Low
LPT18
VCC
PLP121
PLP122
PLP120
FDD 5V
LP125
Busy
PLP120
PLP121
PLP122
Ground
FDD 5V
LP125
Paper Out
Auto Line Feed*
Select
Error*
Initialize Printer*
Select In*
LPT 18
VCC
Strobe*
Data Bit 0
Data Bit 1
Data Bit 2
Data Bit 3
Data Bit 4
Data Bit 5
Data Bit 6
Data Bit 7
Acknowledge*
PIN