T2000 (No longer manufactured) General Information Model number: PA1021U 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 Number of keys: 86 Keyboard type: 101-key keyboard compatible Drives: One 1.44MB 3.5" floppy disk drive One 40MB hard disk drive Features: AutoResume, HardRAM, Auto display and hard drive shutdown, CPU sleep mode, Intelligent power supply with battery "gas gauge" Operating system: 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 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 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 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 PC-PA2403E Battery pack - 1700 mAh PC1-PA8726U Battery pack recharger with AC adapter PC-PA2400U Universal AC adapter PC-PA750L 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' (0) 32 VGA BIOS ROM '0C7FFF' ---------------------------------------------------------------- '0C8000' (128) 96 EMS window '0DFFFF' ---------------------------------------------------------------- '0E0000' 32 HardRAM window '0E7FFF' ---------------------------------------------------------------- '0E8000' 32 Backup RAM '0EFFFF' ---------------------------------------------------------------- '0F0000' 64 System BIOS ROM '0FFFFF' ---------------------------------------------------------------- '100000' 384 System working '15FFFF' memory ---------------------------------------------------------------- '160000' 8,192 Optional memory '95FFFF' cards ---------------------------------------------------------------- '960000' 6,720 Memory expansion in '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 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)