T2000SX                   (No longer manufactured)

General Information
  Model number:     T2000SX 20MB - PA8020U
                    T2000SX 40MB - PA8030U
                    T2000SX 60MB - PA8000U
  Dimensions:       12.2"W x 10"D x 1.9"H
  Weight:           6.9 lbs. with battery pack
  Voltage:          Computer DC input  -  18VDC, 1.7A (running)/18VDC, 2.2A
                    (charging)
                    Universal AC adapter -  100-240 VAC 50-60 Hz
  Battery:          Removable rechargeable Nickel Hydride battery pack
  CPU:              80386SX (16/8MHz); 80387SX-16 coprocessor socket
  RAM memory:       1MB standard (640KB conventional: 384KB extended or Hard-RAM)
                    Memory expandable up to 9MB via one credit card style
                    memory slot when optional 1MB, 2MB, 4MB, or 8MB card is
                    added
  Number of keys:   86
  Keyboard type:    101-key keyboard compatible
  Drives:           One 1.44MB 3.5" floppy disk drive
                    One 20MB, 40MB, or 60MB hard disk drive
  Features:         AutoResume, HardRAM, Auto display and hard drive
                    shutdown, CPU sleep mode, Intelligent power supply with
                    battery "gas gauge"
  Operating system: Originally shipped with Toshiba MS-DOS 4.0
                    Currently shipping with Toshiba MS-DOS 5.0.

Software Compatibility
  Compatible with software written for the IBM PC/XT/AT using VGA, EGA,
  or CGA resolution graphics modes

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

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


2.5" 20MB Hard Disk Drive
  Conner Peripherals HDD: CP2024
  Interface:    IDE
  Average Access Time:  25ms
  Recording Method: 2-7 RLL

2.5" 40MB Hard Disk Drive
  Conner Peripherals HDD: CP2044
  Interface:    IDE
  Average access Time:  19ms
  Recording Method: 2-7 RLL

2.5" 60MB Hard Disk Drive
  Conner Peripherals HDD: CP2064
  Interface:    IDE
  Average access time:  19ms
  Recording Method: 2-7 RLL


Soft Switches
  1) Change CPU speed
     Fn + PgUp   16MHz CPU Speed
     Fn + PgDn   8MHz 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


Options and Extra Accessories
     PC18-PA8316U   1MB memory card
     PC18-PA8317U   2MB memory card (no longer manufactured)
     PC-PA2000U     2MB memory card (replaces PC18-PA8317U)
     PC-PA2001U     4MB memory card
     PC-PA2002U     8MB memory card
     PC-T24D        2400 bps Hayes compatible dedicated built-in modem
                    (Bell or CCITT)
     PC-T24D/X      2400 bps Hayes compatible dedicated built-in modem w/
                    enhanced protocol (MNP5 V.42 bis)
     PC-PA7225U     5.25" 360KB external FDD with 18VDC adapter
     PC18-PA8725U   Battery pack - 2200 mAh
     PC18-PA8726U   Battery pack recharger with AC adapter
     PC18-PA8727U   Universal AC adapter
     PC18-PA749L    Auto adapter - 12 VAC
     PC-PA7354E     17-key numeric keypad
     PC-PA8718U     101-key keyboard adapter with external power supply
     PC-PA722L      TD80 external tape backup drive
     PC-PA8600U     Desk Station ll
     PC18-PA875L    Fabric carrying case
     PC-PA1000L     Leather carrying case
     PC13-PA874L    Executive leather portfolio
     PR-PA2750U     ExpressWriter 201 portable printer
     PC-SW013       Toshiba MS-DOS 5.0 (includes diskettes and manuals)
     PC-SW007       Toshiba MS-DOS 4.01 (includes diskettes and manuals)
     PC-SW008       Toshiba MS-DOS 3.30 (includes diskettes and manual)
     PC-SW004       Toshiba BASIC 3.30 (includes diskette and manual)
     PC-SW012       Toshiba MS OS/2 v1.21 operating system


System Memory Map
                  Space
  Address range  (Kilobytes) Used For:
  ------------------------------------------
  '000000'       640         System working
  '09FFFF'                   memory
  ------------------------------------------
  '0A0000'       128         Video RAM
  '0BFFFF'
  -----------------------------------------
  '0C0000'       32          VGA BIOS ROM
  '0C7FFF'
  -----------------------------------------
  '0C8000'       32          (Reserved)
  '0CFFFF'
  -----------------------------------------
  'D00000'       64          (Reserved)
  'DFFFFF'
  -----------------------------------------
  '0E0000'       32          HardRAM window
  '0E7FFF'
  -----------------------------------------
  '0E8000'       32          Backup RAM
  '0EFFFF'
  -----------------------------------------
  '0F0000'       64          System BIOS ROM
  '0FFFFF'
  -----------------------------------------
  '100000'       8.192       Optional memory cards
  '8FFFFF'
  -----------------------------------------
  '900000'       7,104       Memory expansion
  'FEFFFF'                   in expansion port
  -----------------------------------------
  'FF0000'       64          System BIOS ROM
  'FFFFFF'                   (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       80387SX
              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 Mask Register
  '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'   80387SX : NDP
  '100' / '1EF'   VGA
  '1F0' / '1FF'   HDC
  '200' / '207'   Game I/O
  '208' / '20F'   (Not Used)
  '210' / 217'    Expansion Unit
  '218' / '21F'  (Not Used)
  '220' / '257'  (Not Used)
  '258' / '25F'  (Not Used)
  '260' / '267'  (Not Used)
  '268' / '26F'  (Not Used)
  '270' / '277'  (Not Used)
  '278' / '27F'   Parallel PRT 2
  '280' / '2A7'  (Not Used)
  '2A8' / '2AF'   Reserved for EMS
  '2B0' / '2B7' (Not Used)
  '2B8' / '2BF'    Reserved for EMS
  '2C0' / '2DF'  (Not Used)
  '2E0' / '2E7'  (Not Used)
  '2E8' / '2EF'   Reserved for 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'   Serial Port 3 (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'   Serial Port 3 (COM3)
  '3F0' / '3F7'   FDC
  '3F8' / '3FF'   Serial Port 1 (COM1)

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