Tektronix TLA715 Series, Service Manual

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Operating Information
TLA715 Dual Monitor Portable Mainframe Service Manual
2- 7
The LPT port is a parallel printer port. This parallel printer port supports
standard Centronics mode, Enhanced Parallel Port (EPP), or Microsoft high-
speed mode (ECP) and uses a 36-pin high density Centronics-compliant
connector. See Table 2--6 for pin assignments.
Table 2- 6: LPT (parallel interface) pin assignments
Pin number Pin function Pin number Pin function
1 BUSY 19 GND
2 SLCT 20 GND
3 ACK* 21 GND
4 ERR* 22 GND
5 PE 23 GND
6 D0 24 GND
7 D1 25 GND
8 D2 26 GND
9 D3 27 GND
10 D4 28 GND
11 D5 29 GND
12 D6 30 GND
13 D7 31 GND
14 INIT* 32 GND
15 STB* 33 GND
16 SLIN* 34 GND
17 AFD* 35 GND
18 HI 36 GND
See IEEE specification P1284-C for pin connection definitions for other modes
Operating System and Application Interface
The TLA715 Portable Mainframe comes with the Microsoft Windows 2000
Professional operating system factory-installed. Operations and capabilities when
running on the mainframe are the same as with Microsoft Windows running on a
high-performance personal computer. Windows Help is available from the Start
menu of the Windows Task Bar.
LPT Port