User's Manual

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Table Of Contents

Maintenance Manual
Copyright
Preface
Contents
Notebook Schematic Diagrams
MPB Schematic Diagrams
POST BIOS

2-10 Installation

Figure 2-7 Parallel Port Pinouts

2.4.4 Installing an External Serial Port Device

The notebook contains an external RS-232 serial port with a 9-pin, male DB-9 connector

as shown in Figure 2-10 (25-pin cables require the use of an adapter for use with the

9-pin port). The serial ports are used to interconnect such devices as:

♦ External Modem

♦ Serial Mouse

♦ Serial Printer

SIGNAL

SPP Mode

STB*

PD0

PD1

PD2

PD3

PD4

PD5

PD6

PD7

AC K*

BUSY

SLCT

AFD*

ERR*

Ground

INIT*

SLIN*

Note:

* Denotes

Active Low

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*

Paper Out

Busy

Auto Line Feed*

Select

Error*

Initialize Printer*

Select In*

LPT 18

LPT18

VCC

PLP120

PLP121

PLP122

Ground

PLP121

PLP122

PLP120

FDD 5V

LP125

PARALLEL PORT PINOUTS