T6400 Series (T6400SX, T6400SXC, T6400DX, or T6400DXC,
T6400, T6400C, T6400MM)
General Information
Model number: T6400SX - PA1560U
T6400SXC - PA1560UX
T6400DX - PA1601U
T6400DXC - PA1601UX
T6400 - PA1604U
T6400C - PA1604UX
T6400MM - PA1604U-X5A
Dimensions: Color (DXC, SXC) 15.4"W x 10.5"D
x4.1"H
Gas Plasma (DX, SX) 15.4"W x 10.5"D
x3.3"H
Weight: Color (SXC, DXC) 12.9 lbs
Gas Plasma (SX, DX) 11.7 lbs
Power: 115VAC, 2.0A/220 - 240VAC, 1.0A auto
sensing
Frequency: 50 - 60Hz auto sensing
CPU: 80486DX-33 or 80486SX-25 (8KB cache
in CPU)
RAM memory: 4MB standard (640KB conventional;
3328KB extended,
128KB shadow BIOS ROM) Expandable up
to 20MB with optional 2MB, 4MB, or 8MB
memory cards (two credit card style
memory slots)
Keyboard: Full 101-key movable keyboard with
dedicated numeric keypad
Keyboard type: 101-key keyboard compatible
Drives: One 1.44MB 3.5" floppy disk drive
T6400/C/DXC/DX/MM 200MB hard drive
T6400SXC/SX 120MB hard drive
Features: Simultaneous display, movable keyboard,
password protection, two power cords
(T6400MM includes Altec Lansing ACS200
stereo speakers, portable trackball
pointing device, Samsonite carry-all case
with wheels, HSC Interactive multimedia
software, UltraFont, VideOle, and Novell
network drivers)
Software: Toshiba MS-DOS 5.0, Hypertext documentation
(T6400MM only has pre-installed software:
Toshiba MS-DOS 5.0, Windows 3.1, HSC Interactive
multimedia software, Ultrafont, VideOLE, and
Novell network drivers.)
Software Compatibility:
Compatible with software written for the IBM PC/XT/AT
using VGA, EGA,or CGA resolution graphics modes
Interfaces:
Super VGA color monitor port (640 x 480 x 256)
RS-232-C serial port
Parallel printer/external 5.25" diskette or tape
drive port
External Toshiba proprietary 3.5" diskette drive port
Built-in modem slot - "E" form factor ("D" form factor
compatible)
1 full length IBM PC/XT low profile 16 bit ISA expansion
slot (T6400MM has MediaShare Mambo DVI/EthernetTM board
pre-installed in slot)
150 pin expansion interface connector
PS/2 mouse port
PS/2 keyboard port
2 credit card style memory slots
Display:
Display type: TFT-LCD Color Active Matrix Display
(T6400SXC/DXC/C/MM)
Display area: 8.3"W x 6.2"H; 10.4" diagonal
Resolution: 640 x 480
Dot pitch: 0.33mmW x 0.33mmH
Aspect ratio: 1 : 1
Contrast: 50 : 1
Colors TFT-LCD: 256 colors out of a palette of 185,193
in 640 x 480 mode.
Simultaneous display: Simultaneous display on TFT-LCD
and external monitor
- or -
Display type: Gas Plasma Display (T6400/SX/DX)
Display area: 8.3"W x 6.2"H; 10.4" diagonal
Resolution: 640 x 480
Dot pitch: 0.33mmW x 0.33mmH
Aspect ratio: 1 : 1
Contrast: 100 : 1
Gray scales: 16
Simultaneous display: Simultaneous display on plasma
display and external monitor
2.5" 120MB Hard Disk Drive
Conner Peripherals HDD: CP-30104
Interface: IDE
Average access time: 19ms
Recording method: 2-7 RLL
3.5" 200MB Hard Disk Drive
Conner Peripherals HDD: CP-30204
Interface: IDE
Average access time: 12ms
Recording method: 2-7 RLL
IBM Compatible Expansion Slots
1 full length low profile ISA 16-bit slot
Power for slot: + 5V 2.2 A
+ 12V 0.5 A
- 5V 0.15A
- 12V 0.15A
Maximum card sizes:
16-bit long slot 333.502mmL +/- .5mm x 106.68mmW
99.06mmW +/- 0.3mm w/o connector
Hardware Switches and Controls:
1) Power on/off
Located on back of computer
Options and Extra Accessories:
PC-PA2003U 2MB memory card (no longer manufactured)
PC-PA2004U 4MB memory card
PC-PA2005U 8 MB memory card (no longer manufactured)
NW2005U 8 MB memory card
NW2010U 16MB memory card
NW2011U 32MB memory card
PC-T24D 2400 bps Hayes compatible dedicated
built-in modem (Bell or CCITT)
(no longer manufactured)
PC-T24D/X Dedicated 2400 bps Hayes compatible
modem w/enhanced protocol (MNP5,
V.42 bis) (no longer manufactured)
PC-PA7225U 5.25" 360KB external FDD with 18VDC adapter
(no longer manufactured)
PC-PA722L TD80 external tape backup drive (no longer
manufactured)
PC-PA2200L Fabric carrying case (no longerr mfg.)
PC-PA2201L Leather carrying case (no longer mfg.)
PA231L Leather carrying case
PR-PA2750U ExpressWriter 201 portable printer
PC-SW013 Toshiba MS-DOS 5.0 (includes diskettes
and manuals) (no longer mfg.)
PC-SW004 Toshiba BASIC 3.30 (includes diskette
and manual) (no longer mfg.)
PC-SW012 Toshiba MS OS/2 operating system 1.21
(no longer mfg.)
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' 160 (Reserved)
'000EFFFF'
-------------------------------------------------------
'000F0000' 64 System BIOS ROM
'000FFFFF'
-------------------------------------------------------
'00100000' 3,456 System working
'003FFFFF' memory
-------------------------------------------------------
'00430000' 16,384 Optional memory
'013FFFFF' cards
-------------------------------------------------------
'01430000' Memory expansion
'FFFEFFFF' in expansion port
-------------------------------------------------------
'FFFF0000' 64 System BIOS ROM
'FFFFFFFF' (Duplicated)
-------------------------------------------------------
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)
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' 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' NDP
'100' / '1EF' VGA
'1F0' / '1FF' HDC
'200' / '207' (Not Used)
'208' / '20F' (Not Used)
'210' / '217' (Not Used)
'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' (Not Used)
'280' / '2A7' (Not Used)
'2A8' / '2AF' (Not Used)
'2B0' / '2B7' (Not Used)
'2B8' / '2BF' (Not Used)
'2C0' / '2DF' (Not Used)
'2E0' / '2E7' (Not Used)
'2E8' / '2EF' (Not Used)
'2F0' / '2F7' (Not Used)
'2F8' / '2FF' Serial Port 2 (COM 2)
'300' / '31F' (Not Used)
'320' / '32F' (Not Used)
'330' / '337' (Not Used)
'338' / '33F' (Not Used)
'340' / '377' (Not Used)
'378' / '37F' Parallel PRT 1
'380' / '38F' (Not Used)
'390' / '39F' (Not Used)
'3A0' / '3AF' (Not Used)
'3B0' / '3BF' MDA, PRT
'3C0' / '3DF' CGA, EGA, VGA
'3E0' / '3E7' (Not Used)
'3E8' / '3FF' (Not Used)
'3F0' / '3F7' FDC
'3F8' / '3FF' Serial Port 1 (COM1)
'400' / '47F' (Not Used)
'0480'/ '049F' DMA Hi-Page Register