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- T4400SX
- General Information:
- Model number: T4400SX LCD 80MB - PA1102U
- T4400SX PDP 80MB - PA1102UW
- T4400SX LCD 120MB - PA1103U
- T4400SX PDP 120MB - PA1103UW
-
- Dimensions: 11.7"W x 8.3"D x 2.2"H
- Weight: 7.25 lbs. with battery pack
- Voltage: Computer DC input - 21VDC, 1.9A
- Universal AC adapter - 100-240 VAC 50-60 Hz
- Battery: Removable rechargeable NiCD battery pack
- CPU: 80486SX-25 (8KB internal cache), Upgradeable
- to 80486DX-25 for coprocessor
- RAM memory: 2MB standard (640KB conventional; 1280KB
- extended or HardRAM; 128KB shadow ROM) Memory
- expandable up to 18MB via one credit card
- style memory slot when optional 2MB, 4MB,
- 8MB, or 16MB card is added
- Number of keys: 82
- Keyboard type: 101-key keyboard compatible
- Drives: One 1.44MB 3.5" floppy disk drive
- One 80MB or one 120MB hard disk drive
- Features: AutoResume, HardRAM, Automatic display and
- hard drive shutdown, CPU sleep mode,
- Intelligent power supply with battery "gas
- gauge", password protection
- Operating system: 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 - "E" form factor ("D" form factor compatible)
- 150 pin expansion interface connector
- PS/2 mouse port
- Credit card style memory slot
-
- Display:
- Display type: Fluorescent Sidelit Supertwist LCD
- Display area: 7.7"W x 5.75"H; 9.5" diagonal
- Resolution: 640 x 480
- Dot dimension: 0.24mm x 0.24mm
- Dot pitch: 0.30mm x 0.30mm
- Aspect ratio: 1 : 1
- Contrast: 15 : 1
- Gray scales: 16 gray scales in 640 x 480, 64 in 320 x 200 resolution
-
- - or -
-
- Display type: Gas Plasma Display Panel (PDP)
- Display area: 7.7"W x 5.75"H; 9.5" diagonal
- Resolution: 640 x 480
- Dot dimension: 0.24mm x 0.24mm
- Dot pitch: 0.30mm x 0.30mm
- Aspect ratio: 1 : 1
- Contrast: 100:1
- Gray scales: 16
- Simultaneous display: Gas plasma model only
-
- 2.5" 80MB Hard Disk Drive
- Conner Peripherals HDD: CP-2084
- Interface: IDE
- Average access time: 19ms
- Recording method: RLL 2-7
-
- 2.5" 120MB Hard Disk Drive
- Toshiba HDD: MK-2124FC
- Interface: IDE
- Average access time: 17ms
- Recording method: RLL 2-7
-
- - or -
-
- Conner Peripherals HDD: CP-2124
- Interface: IDE
- Average access time: 17ms
- Recording method: RLL 2-7
-
- Hardware Switches and Controls:
-
- 1) Power on/off
- Located on left side of computer
- 2) Reset
- Located on back of computer
- 3) LCD brightness and contrast dials
- Located on right side of display on LCD models only
-
- Soft Switches:
- 1) Change speed
- Fn + PgUp 25MHz CPU Speed, 8MHz bus speed
- Fn + PgDn 25MHz CPU Speed, 4MHz bus speed
- 2) Pop-up window
- Fn + Esc Toggles pop-up window
- 3) Keypad overlay
- Fn + F10 Toggles keypad overlay
- Fn + F11 Num lock
- Fn + F12 Scroll lock
- 4) FN key
- Fn + Alt Simulate IBM enhanced keyboard Right ALT
- Fn + Ctrl Simulate IBM enhanced keyboard Right CTRL
- Fn + Enter Simulate IBM enhanced keyboard numeric keypad enter
-
- Options and Extra Accessories:
- PC-PA2003U 2MB memory card
- PC-PA2004U 4MB memory card
- PC-PA2005U 8MB memory card
- PC-PA2010U 16MB memory card
- PC-T24D 2400 bps Hayes compatible dedicated built-in modem
- (Bell or CCITT)
- PC-T24D/X 2400 bps Hayes compatible built-in modem w/enhanced
- protocol (MNP5, V.42 bis)
- PC-PA7225U 5.25" 360KB external FDD with 18VDC adapter
- PC-PA2407U Battery pack - 2400 mAh
- PC-PA900L Battery pack recharger with AC adapter
- PC-PA2408U Universal AC adapter 21 VDC
- PC-PA800L 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-PA2700U Desk Station lV
- PC-PA877L 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-SW004 Toshiba BASIC 3.30 (includes diskette and manual)
- PC-SW012 Toshiba MS OS/2 operating system 1.21
-
- System Memory Map:
-
- Space
- Address range (Kilobytes) Used For:
- -------------------------------------------------------
- '00000000' 640 System working
- '0009FFFF' memory
- -------------------------------------------------------
- '000A0000' 128 Video RAM
- '000BFFFF'
- -------------------------------------------------------
- '000C0000' 32 VGA BIOS ROM
- '000C7FFF'
- -------------------------------------------------------
- '000C8000' 96 (Reserved)
- '000DFFFF'
- -------------------------------------------------------
- '000E0000' 32 HardRam window
- '000E7FFF'
- -------------------------------------------------------
- '000E8000' 32 Backup RAM
- '000EFFFF'
- -------------------------------------------------------
- '000F0000' 64 System BIOS ROM
- '000FFFFF'
- -------------------------------------------------------
- '00100000' 1,024 System working
- '001FFFFF' memory
- -------------------------------------------------------
- '00200000' 8,192 Optiional memory cards
- '009FFFFF'
- -------------------------------------------------------
- '00A00000' 384 System memory
- '00A5FFFF'
- -------------------------------------------------------
- '00A60000' 4,183,616 Memory expansion in
- 'FFFEFFFF' expansion port
- -------------------------------------------------------
- 'FFFF0000' 64 System BIOS ROM
- 'FFFFFFFF' (Duplicated)
- -------------------------------------------------------
-
- 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' SKBC
- '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' 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 (COM 2)
- '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, Bisynchronous 2
- '390' / '39F' (Not Used)
- '3A0' / '3AF' Bisynchrounous 1
- '3B0' / '3BF' MDA, PRT
- '3C0' / '3DF' CGA, EGA, VGA
- '3E0' / '3E7' (Not Used)
- '3E8' / '3FF' Serial Port 3 (COM 3)
- '3F0' / '3F7' FDC
- '3F8' / '3FF'' Serial Port 1 (COM1)
- '400' / '47F' (Not Used)
- '480' / '49F' DMA Hi-Page Register
-
- Interrupts:
- Interrupt Level Assigned To:
- --------------------------------------------------------------------
- NMI RAM Parity Error; I/O Channel Error
- 0 Timer
- 1 Keyboard
- 2 PIC 2 for levels 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 PS/2 Mouse
- 13 NDP of 80486DX
- 14 HDC
- 15 (Reserved)
-
-