Toshiba T-Series T3300sl Bedienungsanleitung

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Chapter 1

HardwareOverview

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Contents

1.1 T3300SL Features .............................................................................................................1-5

1.2 The System Unit Block Diagram.......................................................................................1-8

1.3 3.5-inch Floppy Disk Drive............................................................................................. 1-11

1.4 2.5-inch Hard Disk Drive ................................................................................................ 1-12

1.5 Keyboard ........................................................................................................................ 1-13

1.6 Sidelit Liquid Crystal Display......................................................................................... 1-14

1.6.1 LCD Module........................................................................................................ 1-14

1.6.2 FL Inverter Board................................................................................................ 1-15

1.7 Power Supply Board........................................................................................................ 1-16

Tables

Table 1-1 3.5-inch FDD specifications ................................................................................... 1-11

Table 1-2 2.5-inch HDD specifications .................................................................................. 1-12

Table 1-3 Sidelit LCD specifications ..................................................................................... 1-14

Table 1-4 FL inverter board specifications............................................................................. 1-15

Table 1-5 Power supply board output rating........................................................................... 1-16

Figures

Figure 1-1 T3300SL personal computer.....................................................................................1-7

Figure 1-2 System unit configuration ........................................................................................1-7

Figure 1-3 Block diagram ..........................................................................................................1-8

Figure 1-4 3.5-inch FDD.......................................................................................................... 1-11

Figure 1-5 2.5-inch HDD ......................................................................................................... 1-12

Figure 1-6 Keyboard................................................................................................................ 1-13

Figure 1-7 Sidelit LCD ............................................................................................................ 1-14

Figure 1-8 Power supply board ................................................................................................ 1-16

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1.1 T3300SLFeatures

The Toshiba T3300SL is one of the lightest and most advanced portable computers available.

Utilizing advanced technology and high speed components, the T3300SL offers excellent display

legibility, battery operation, and IBM PC/AT compatibility.

The T3300SL system unit consists of the following features:

❑An 80386SL-25 32-bit microprocessor, operating at 25MHz, 12.5MHz or 6.25MHz.

❑Standard Random Access Memory (RAM) capacity is 2MB. Optional 2, 4, 6 or 16MB

expansion cards can be installed, thus expanding RAM memory to a maximum of 18MB.

❑An optional 80387SX-25 Numeric Data Processor (NDP) can be installed in the built-in

socket located on the bottom of the T3300SL.

❑A high resolution, fully adjustable Liquid Crystal Display (LCD) is composed of 640

horizontal and 480 vertical pixels and displays 25 lines of standard text 80 characters wide.

The LCD displays 32 levels of gray (at a resolution of 320 x 200) and supports the High

Resolution Graphics Subsystem (HRGS), including VGA functions.

❑The 3.5-inch internal Floppy Disk Drive (FDD) supports both 1.44MB Double-sided, High-

density, Double-track (2HD) and 720KB Double-sided, Double-density, Double-track

(2DD) floppy disk.

❑The integrated 2.5-inch 80 or 120MB Hard Disk Drive (HDD) provides nonvolatile storage

for software and data.

❑An 82/84-key keyboard has full-sized keys, a numeric keypad overlay, cursor, and page

control. The keyboard supports software that uses the industry standard 101/102-key

keyboard.

❑The universal auto-sensing AC adapter supplies power to operate the T3300SL and recharge

its batteries. It can operate from a range of 100 to 240 volts. Optional power cords support

various countries’ AC outlet configurations.

❑A PS/2 mouse connector is located on the right side of the T3300SL.

❑A Personal Computer Memory Card International Association (PCMCIA) standard release

2.0 slot allows you to install a Toshiba card modem or an industry standard card in the

T3300SL.

❑Serial devices can be connected to the T3300SL’s standard 9-pin RS-232-C serial port.

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❑One selectable Centronics-compatible parallel port allows the T3300SL to interface with

optional parallel devices.

❑The Toshiba AutoResume feature stores the T3300SL’s data in backup RAM when the

power is turned off.

❑The Real Time Clock (RTC) IC chip and battery continuously update the date and time and

keep the system configuration even when the T3300SL power is off.

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The T3300SL Personal Computer is shown in Figure 1-1. Its system configuration is shown in

Figure 1-2.

Figure 1-1 T3300SL personal computer

Figure 1-2 System unit configuration

Sub Battery Power Supply

Board Battery Pack

HDD

Keyboard LCD

RTC Battery

FDD

PJ5

PJ10 PJ11

PJ9

LED

PJ2

PJ19

PJ4

AC Adapter

PJ21

PJ13

PJ12

Display

Switch

PJ15

PS/2 Mouse

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1.2 The System Unit Block Diagram

Figure 1-3 is a block diagram of T3300SL system unit.

Figure 1-3 Block diagram

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TheT3300SLsystemboarddiagrammedinFigure1-3 iscomposedofthefollowingmajorcomponents:

❑80386SL-25 CPU

❑Socket for an optional 80387SX-25 Numeric Data Processor (NDP)

❑82360SL ISA peripheral I/O chip contains the following components:

Two Direct Memory Access Controllers (DMACs): 82C37A

Two Programmable Interrupt Controllers (PICs): 82C59A

Two Programmable Interval Timers (PITs): 82C54

(T3300SL uses one PIT)

Two Serial Input/Ouput Controllers (SIOs): 16C450

(T3300SL uses one SIO)

One Real Time Clock (RTC): 146818AF

❑Super Integration (SI), T9920, which stores the following components:

One Floppy Disk Controller (FDC): TC8565

One Variable Frequency Oscillator (VFO): TC8568

❑Keyboard Controller (KBC): M37452M4

❑Power Supply Controller (PSC): U47C660

❑Memory:

Standard RAM: 2MB

BIOS ROM: 128KB (96KB are used)

BIOS ROM contains the Initial Reliability Test (IRT), the system’s

Basic Input/Output System (BIOS), and the video BIOS.

Video RAM: 256KB

Cache memory: 64KB

Optional memory cards can expand the memory to a maximum of 18MB.

❑IC card controller gate array: GA-ICCNT (144-pin)

❑Refresh controller gate array: GA-REFCNT (44-pin)

❑VGA display controller (WD90C21): PVGA1F (132-pin)

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❑The following Oscillators (OSCs):

50.0MHz OSC (X1) and 16.0MHz OSC (X2) are used for the CPU.

14.7456MHz OSC (X3) is used for the COM.

14.31818MHz OSC (X4) is used for the KBC.

24MHz OSC (X5) is used for the FDC and VFO.

32.768KHz OSC (X6) is used for the RTC.

44.9MHz OSC (X7), 28.322MHz OSC (X8), and 25.175MHz OSC (X9) are used for the

video.

See Appendix A for the locations of the oscillators on the system board.

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