Conventional Memories

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Index

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T2000

(No longer manufactured) (2000)

General Information

Model number: PA1021U (FCC ID# CJ6UN760)
Dimensions: 12.2"W x 10"D x 1.9"H
Weight: 6.9 lbs. including battery
Voltage: Computer DC input - 18VDC, 1.1A

Universal AC adapter - 100-240 VAC 50-60 Hz
Battery: Removable rechargeable NiCD battery pack
CPU: 80C286 (12/6MHz); 80C287-12 coprocessor socket
RAM memory: 1MB standard (640KB conventional; 384KB LIM-EMS 4.0, extended, or HardRAM)

Memory expandable up to 9MB via one credit card style memory slot when optional 1MB,

2MB, 4MB, or 8MB card is added
Video RAM: 256KB
Number of keys: 86
Keyboard type: 101-key keyboard compatible
Drives: One 1.44MB 3.5" floppy disk drive

One 40MB hard disk drive
Standard features: AutoResume

HardRAM

Auto display and hard drive shutdown

CPU sleep mode,

Intelligent power supply with battery "gas gauge"
Operating system included: Toshiba MS-DOS 4.01

Software Compatibility

Compatible with software written for the IBM PC/XT/AT using VGA, EGA, CGA, or T3100/AT&T 6300 640 x 400 high resolution graphics mode

Interfaces

VGA color video port

RS-232-C serial port

Parallel printer/external diskette or tape drive port

Numeric keypad/101-key keyboard adapter port

Built-in modem slot - "D" form factor

100 pin expansion interface connector

Credit card style memory slot

Fluorescent Sidelit Supertwist LCD Display

Display area: 6.8"W x 5.1"H; 8.5" diagonal
Resolution: 640 x 480
Aspect ratio: 1 : 1
Contrast ratio: 15 : 1
Gray scales: 16 gray scales

2.5" 40MB Hard Disk Drive

JVC HDD JD-E2850P
Interface: IDE
Average access time: 23ms
Recording method: 2-7 RLL

Soft Switches

1) Change CPU speed

Fn + PgUp 12MHz CPU Speed
Fn + PgDn 6MHz CPU Speed

2) Pop-up window

Fn + Esc Toggles pop-up window

3) Keypad overlay

Fn + NumLock Toggles keypad overlay

4) Fn key

Fn + Ctrl Simulate IBM enhanced keyboard Right Ctrl
Fn + Alt Simulate IBM enhanced keyboard Right Alt
Fn + Enter Simulate IBM enhanced keyboard numeric keypad Enter

Hardware Switches and Controls

1) Power on/off

Located on left side of computer

2) Reset

Located on left side of computer

3) LCD brightness and contrast dials

Located on right side of computer

Environmental Specifications

1) Operating condition

Ambient temperature: 41 to 95 degrees F. 5 to 35 degrees C.
Relative Humidity: 20% to 80% non-condensing
Altitude (from sea level): 0 to 12,000 ft. (0 to 3,657 meters)

2) Non-Operating condition

Ambient temperature: -4 to 140 degrees F. -20 to 60 degrees C.
Relative Humidity: 5% to 90% non-condensing
Altitude (from sea level): 40,000 ft. (12,192 meters) max.

3) Wet bulb temperature condition

Ambient temperature: 79 degrees F. (26 degrees C.) maximum

Options and Extra Accessories

PC18-PA8316U 1MB memory card (no longer manufactured)
PC18-PA8317U 2MB memory card (no longer manufactured)
PC-PA2000U 2MB memory card (no longer manufactured)
PC-PA2001U 4MB memory card (no longer manufactured)
PC-PA2002U 8MB memory card (no longer manufactured)
PC-T24D 2400 bps Hayes compatible dedicated built-in modem (Bell or CCITT) (no longer manufactured)
PC-T24D/F 2400bps data/9600bps send/receive FAX built-in modem
PC-T144D/F 14400 bps send/receive FAX built-in modem (no longer manufactured)
PC-T24D/X or PC-T24D/X2 2400 bps Hayes compatible dedicated built-in modem w/enhanced protocol (MNP5 V.42 bis)

(both no longer manufactured)
PC-TCL24A Audiovox Axsys cellular connection for use with T24D/X modem (no longer manufactured)
PC-TCL24M Motorola Axsys cellular connection for use with T24D/X modem (no longer manufactured)
PC-TCL24N NEC Axsys cellular connection for use with T24D/X modem (no longer manufactured)
PC-TCL24U Uniden Axsys cellular connection for use with T24D/X modem (no longer manufactured)
PC-PA7225U 5.25" 360KB external FDD with 18VDC adapter
PC-PA2403E Battery pack - 1700 mAh
PC18-PA8726U Battery pack recharger with AC adapter
PC-PA2400U Universal AC adapter
PC-PA750L Auto adapter - 12 VAC (no longer manufactured)
PC-PA801L Statpower Prowatt 125 auto adapter
PC-PA7354E 17-key numeric keypad
PC-PA8718U 101-key keyboard adapter with external power supply
PC-PA722L TD80 external tape backup drive (no longer manufactured)
PC-PA8600U Desk Station ll (no longer manufactured)
PC18-PA875L Fabric carrying case (no longer manufactured)
PC-PA1000L Leather carrying case (no longer manufactured)
PC-PA1050L Leather attache case
PC13-PA874L Executive leather portfolio (no longer manufactured)
PR-PA2750U ExpressWriter 201 portable printer (no longer manufactured)
PC-SW015 Toshiba MS-DOS 5.0 (no longer manufactured)
PC-SW007 Toshiba MS-DOS 4.01 (no longer manufactured)
PC-SW008 Toshiba MS-DOS 3.30 (no longer manufactured)
PC-SW004 Toshiba BASIC 3.30 (no longer manufactured)
PC-SW012 Toshiba MS OS/2 v1.21 operating system (no longer manufactured)

System Memory Map

Address range

 Space (Kilobytes)

Used For:
'000000'

09FFFF'

 640 System working memory
'0A0000'

0BFFFF'

 128 Video RAM
'0C0000'

'0C7FFF'

 (0) 32 VGA BIOS ROM
'0C8000'

'0DFFFF'

 (128) 96 EMS window
'0E0000'

'0E7FFF'

 32 HardRAM window
'0E8000'

'0EFFFF'

 32 Backup RAM
'0F0000'

'0FFFFF'

 64 System BIOS ROM
'100000'

'15FFFF'

 384 System working memory
'160000'

'95FFFF'

 8,192 Optional memory cards
'960000'

'FEFFFF'

 6,720 Memory expansion in expansion port
'FF0000'

'FFFFFF'

 64 System BIOS ROM (Duplicated)

Interrupts

Interrupt Level Assigned To:
-- NMI RAM Parity Error, I/O Channel Error
  0 Timer
  1 Keyboard
  2 PIC 2 for level 8 to 15
1 3 Secondary Communications (COM 2)
  4 Primary Communications (COM 1)
  5 PRT 2
  6 FDC
  7 PRT 1
  8 RTC
  9 Software Redirect to INT '0A'
2 10 (Reserved)
  11 (Reserved)
  12 COM 3
  13 80C287
  14 HDC
  15 (Reserved)

I/O Port Assignment

Port Address

From / To

Device / Function
'000' / '01F' 82C37 : DMA Controller 1
'020' / '03F' 82C59 : PIC 1
'040' / '05F' 82C54 : Timer
'060' / '06F' 80C42 : KBC
'070' NMI
'070' / '07F' RTC
'080' / '09F' DMA Page Register
'0A0' / '0BF' 82C59 : PIC 2
'0C0' / '0DF' 82C37 : DMA Controller 2
'0E0' / '0EF' Special Register
'0F0' / '0F7' 80C287 : NPU
'100' / '1EF' VGA
'1F0' / '1FF' HDC
'200' / '207' Game I/O
'208' / '20F' LIM-EMS Set 0
'210' / '217' Expansion Unit
'218' / '21F' LIM-EMS Set 1
'220' / '257' (Not Used)
'258' / '25F' LIM-EMS Set 2
'260' / '267' (Not Used)
'268' / '26F' LIM-EMS Set 3
'270' / '277' (Not Used)
'278' / '27F' Parallel PRT 2
'280' / '2A7' (Not Used)
'2A8' / '2AF' Reserved for LIM-EMS
'2B0' / '2B7' (Not Used)
'2B8' / '2BF' Reserved for LIM-EMS
'2C0' / '2DF' (Not Used)
'2E0' / '2E7' (Not Used)
'2E8' / '2EF' Reserved for LIM-EMS
'2F0' / '2F7' (Not Used)
'2F8' / '2FF' Serial Port 2 (COM2)
'300' / '31F' Prototype card
'320' / '32F' XT type HDC
'330' / '337' (Not Used)
'338' / '33F' (COM 3)
'340' / '377' (Not Used)
'378' / '37F' Parallel PRT 1
'380' / '38F' SDLC, Bisync 2
'390' / '39F' (Not Used)
'3A0' / '3AF' Bisync 1
'3B0' / '3BF' MDA and PRT
'3C0' / '3DF' CGA, EGA, VGA
'3E0' / '3E7' (Not Used)
'3E8' / '3E7' (COM3)
'3F0' / '3F7' FDC
'3F8' / '3FF' Serial Port 1 (COM1)

Toshiba America Information Systems Inc. (" TAIS ") shall not be liable for damages of any kind for use of this information, Which is subject to change without notice. Copyright 1994, 1995 TAIS.