Conventional Memories

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Index

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T1000

(No longer manufactured) (1000)

General Information

Model number: PA7027U (FCC ID# CJ69XAE250)
Dimensions: 12.2"W x 2.05"H x 11.0"D
Weight: 6.4 lbs.
Voltage: Computer DC input - 9VDC 1.1A (+ = core; - = shell)

AC adapter - 120VAC (108 - 132V), 60Hz, 15W
Battery: Rechargeable internal NiCD battery pack (1300 mAh)
CPU: 80C88, 4.77 MHz
RAM memory: 512KB standard (conventional)
  Memory expandable to 1.2MB when optional 768KB LIM-EMS 3.2/HardRAM card added
Video RAM: 16KB
Number of keys: 82
Keyboard type: Selectable between PC or 101-key keyboard compatible
Drives: One 720KB 3.5" floppy disk drive
Operating system included: Toshiba MS-DOS 2.11 in 256K ROM

Software Compatibility

Compatible with software written for the IBM PC/XT using a color graphics adapter (CGA) display

Interfaces

RGB (CGA) color video port

Composite b&w monochrome video port

RS-232-C serial port

Parallel printer port

Numeric keypad port

External diskette drive port

Toshiba proprietary memory slot

Toshiba proprietary modem slot - "B" form factor

Reflective Supertwist LCD Display

Display area: 9.6" W x 3"H; 10" diagonal
Resolution: 640W x 200H
Viewing angle: -15 to 40 degrees
Contrast: 3.5 : 1
Aspect ratio: 1 : 1

Battery Life (Time until low battery LED)

Tests w/ 10% FDD access, temperature 25 degrees C

SYSTEM FDD MODEM 768K CARD Running Time
On Off NI NI 5 Hours
On Off NI I 4 Hours
On On Off NI 3.6 Hours
On On Off I 3.4 Hours
On On On NI 2.6 Hours
On On On I 2.4 Hours

"I" means installed

"NI" means not Installed

T1000 (continued)

Switches

1) Character font

Fn + Right arrow Toggles display font

2) Display select

Fn + End External display
Fn + Home LCD display

3) Keypad overlay

Fn + NumLock Toggles keypad overlay

4) Fn key

Fn + F1 F11
Fn + F2 F12
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 back of computer

2) LCD contrast dial

Located on left side of computer

3) External FDD A/B Switch

Located on left side of computer

With switch set to "A", External FDD is accessed as drive A; Internal 3.5" FDD as drive B.

With switch set to "B", External FDD is accessed as drive B; Internal 3.5" FDD as drive A.

Computer must be re-booted for switch change to take effect.

Environmental Specifications

1) Operating condition

Ambient temperature: 41 to 95 degrees F. 5 to 35 degrees C.
Relative Humidity: 20% to 80% non-condensing

2) Non-Operating condition

Ambient temperature: -4 to 131 degrees F. -20 to 55 degrees C.
Relative Humidity: 5% to 95% non-condensing

3) Acclimation

Needs no more than 60 min. warm up

Options and Extra Accessories

PC-PA7225U 5.25" 360KB external FDD with 18VDC adapter
PC-PA7354E 17-key numeric keypad
PC-PA7367E Floppy Link to 5.25" desktop diskette drive (no longer manufactured)
PC-PA8701U 9VDC Universal AC adapter (replaces PC-PA7482U)
PC-PA7482U 9VDC AC adapter (no longer manufactured)
PC-PA7483U 9VDC automobile power adapter (no longer manufactured)
PC-PA801L Statpower Prowatt 125 auto adapter
PC4-PA7134U 768KB LIM-EMS (3.2) memory/HardRAM card (no longer manufactured)
PC4-PA7437E 300/1200 bps Hayes compatible built-in modem (no longer manufactured)
PC4-T24B 2400 bps Hayes compatible built-in modem (no longer manufactured)
PC4-PA7592E Fabric carrying case (no longer manufactured)
PC15-PA8020U Fabric carrying case (no longer manufactured)
PR-PA2750U ExpressWriter 201 portable printer (no longer manufactured)
PC-SW008 Toshiba MS-DOS 3.30 (no longer manufactured)
PC-SW007 Toshiba MS-DOS 4.01 (no longer manufactured)
PC-SW004 Toshiba BASIC 3.30 (no longer manufactured)

T1000 (continued)

System Memory Map

Start Address Space    
Decimal Hex (Kilobytes) Used For:
0 00000    
64K 10000    
128K 20000    
192K 30000    
256K 40000 512 System Working
320K 50000   Memory
384K 60000    
448K 70000    
512K 80000 128 Expanded Memory
576K 90000   Specification
640K A0000 64 DOS ROM
704K B0000 32 (Reserved)
736K B8000 16 Video RAM
752K BC000 32 (Reserved)
768K C0000    
784K C4000   Expanded Memory
832K D0000 176 Specification
896K E0000    
960K F0000 32 (Reserved)
992K F8000 32 System (BIOS) ROM

Interrupts

Level Assigned To:
NMI None
0 Timer
1 Keyboard
2 (Reserved)
3 Secondary Communications
4 Primary Communications
5 (Reserved)
6 FDD
7 Parallel Printer

I/O Port Assignment

Port Address  
From / To Device / Function
'000' / '01F' 82C37 : DMAC Device
'020' / '03F' 82C59 : PIC Device
'040' / '05F' 82C53 : PIT Device
'060' / '07F' 82C55 : PPI Port
'080' / '09F' DMA Page Register
'0A0' / '0BF' NMI Mask Register
'0C0' / '0CF' DOS ROM Register
'0D0' / '0EF' Special Register
'208' / '20F' Expanded Memory Unit I/O - 1
'218' / '21F' Expanded Memory Unit I/O - 2
'258' / '25F' Expanded Memory Unit I/O - 3
'268' / '26F' Expanded Memory Unit I/O - 4
'2A8' / '2AF' Expanded Memory Unit I/O - 5
'2B8' / '2BF' Expanded Memory Unit I/O - 6
'2C0' / '2DF' Real Time Clock
'2E8' / '2EF' Expanded Memory Unit I/O - 7
'2F8' / '2FF' Secondary Communications (COM2)
'378' / '37F' Parallel Printer
'380' / '3AF' Binary Synchronous Communications
'3D0' / '3DF' Display
'3F0' / '3F7' Floppy Disk Controller
'3F8' / '3FF' Primary communications (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.