General Information

Model number:	
T6400SX - PA1560U  (FCC ID# CJ6UN335)
T6400SXC - PA1560UX  (FCC ID# CJ6UN037)
T6400DX - PA1601U  (FCC ID# CJ6UN335)
T6400DXC - PA1601UX  (FCC ID# CJ6UN037)
T6400 - PA1604U  (FCC ID# CJ6UN335)
T6400C - PA1604UX  (FCC ID# CJ6UN037)
T6400MM - PA1604U-X5A  (FCC ID# CJ6UN037)
Dimensions:	
T6400, T6400SX, T6400DX -  15.4"W x 10.5"D x 3.3"H.  
T6400C, T6400SXC, T6400DXC -  15.4"W x 10.5"D x 4.1"H
Weight:	
T6400, T6400SX, T6400DX - 11.7 lbs
T6400C, T6400SXC, T6400DXC - 12.9 lbs
T6400MM - 13.2 lbs including Mambo board; 34 lbs. with all accessories and rolling case
Power:	115VAC, 2.0A/220 - 240VAC, 1.0A auto sensing
Frequency:	50 - 60Hz auto sensing
CPU:	
T6400SX, T6400SXC - i486SX-25 (8KB cache in CPU)
T6400DX, T6400DXC - i486DX-33 (8KB cache in CPU)
T6400, T6400C, T6400MM - i486DX2-50 (8KB cache in CPU)
RAM memory:	4MB standard (640KB conventional; 3328KB extended, 128KB shadow BIOS ROM) Expandable up to 36MB with optional 2MB, 4MB, 8MB, or 16MB memory cards(two credit card style memory slots)
Video RAM:	512KB
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
T6400SX, T6400SXC - 120MB hard drive
T6400, T6400C, T6400DX, T6400DXC, T6400MM -  200MB hard drive
Standard features:
Simultaneous display
Movable keyboard
Power on password security
Two power cords
U.S. and International limited warranty
Toshiba Exceptional Care (requires enrollment)
Operating system included:	Toshiba MS-DOS 5.0
T6400MM Multimedia bundle:	
A T6400DXC computer preinstalled with the following: 
Mediashare Mambo DVI Ethernet card with HSC Interactive mulitmedia software,UltraFont, Video Ole, and Novell network drivers. (card uses full size slot)
2 Altech Lansing ACS 200 stereo speakers
Logitech portable trackball
Toshiba MS-DOS 5.0
Windows 3.1
Samsonite carry-all case with wheels
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
150 pin expansion bus connector
PS/2 mouse port
PS/2 keyboard port
2 credit card style memory slots
Optional Mambo board has 10BaseT Ethernet connector (standard in T6400MM)

TFT-LCD Color Active Matrix Display (T6400, T6400SXC, T6400DXC,T6400MM)

Display area:	8.3"W x 6.2"H; 10.4" diagonal
Resolution:	640 x 480
Dot pitch:	.33mmW x .33mmH 
Aspect ratio:	1 : 1
Contrast:	60 : 1
Colors TFT-LCD:	256 colors out of a palette of 185,193 in 640 x 480 mode.Simultaneous display to external monitor
Gas Plasma Display (T6400, T6400SX/DX)

Display area:	8.3"W x 6.2"H; 10.4" diagonal
Resolution:	640 x 480
Dot pitch:	.33mmW x .33mmH 
Aspect ratio:	1 : 1
Contrast:	100 : 1
Gray scales:	16 Simultaneous display to external monitor
2.5" 120MB Hard Disk Drive (T6400SX, T6400SXC)

Conner Peripherals HDD:	CP-30104
Interface:	IDE
Average access time:	19ms
Recording method:	2-7 RLL
3.5" 200MB Hard Disk Drive (T6400, T6400C, T6400DX, T6400DXC, T6400MM)

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:		+ 5 V 	2.2A
			+12 V 	0.5A
			 - 5 V	0.15A
			 - 12V	0.15A

Maximum card sizes:
16-bit long slot		333.502mmL +/- .5mm x 106.68mmW
			99.06mmW +/- .3mm w/o connector

Hardware Switches and Controls
1) Power on/off

Located on back of computer

Environmental Specifications
1) Operating condition

Ambient temperature:	41 to 95 degrees F.     5 to 35 degrees C.
Relative Humidity:	20% to 80% non-condensing
Altitude (from sea level):	-200 to 10,000 ft. (-60 to 3,000 meters)
2) Non-Operating condition

Ambient temperature:	-4 to 140 degrees F.     -20 to 60 degrees C.
Relative Humidity:	8% to 80% non-condensing
Altitude (from sea level):	30,000 ft. (10,000 meters) max.
3) Wet bulb temperature condition

Ambient temperature:	79 degrees F.  (26 degrees C.) maximum
Options and Extra Accessories

PC-PA2003U	2MB memory card (no longer manufactured) 
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) (no longer manufactured)
PC-T24D/F	2400bps data/9600bps send/receive FAX built-in modem
PC-T144D/F	14400 bps send/receive FAX built-in modem (no longer manufactured)
PC-T24D/X orPC-T24D/X2	Dedicated 2400 bps Hayes compatible modem w/enhanced protocol (MNP5, V.42 bis) (both no longer manufactured)
PC-TCL24A	Audiovox Axsys cellular connection for use with T24D/X modem (no longer manufactured)
PC-TCL24M	Motorola Axsys cellular connection for use with T24D/X modem (no longer manufactured)
PC-TCL24N	NEC Axsys cellular connection for use with T24D/X modem (no longer manufactured)
PC-TCL24U	Uniden Axsys cellular connection for use with T24D/X modem (no longer manufactured)
PC-PA2800U	DX2/50MHz processor upgrade (no longer manufactured)
PC-ASP44DX	Intel 486DX upgrade kit for i486<M^>TM<D>SX models (no longer manufactured)
PC-PA7225U	5.25" 360KB external FDD with 18VDC adapter
PC16-PA8380U	3.5" external FDD
PC-PA525L	3.5" CD-ROM upgrade (replaces the internal 3.5" FDD)
PC-PA722L	TD80 external tape backup drive (no longer manufactured)
PC-PA3310L	PC Guardian computer lock (no longer manufactured)
PC-PA2113	Toshiba 150 pin SCSI adapter
PC-PA270L	Axonix Cablemate Port Replicator
PC-PA510L	Mediashare Mambo DVI board (T6400 series color display units only)(no longer manufactured)
PC-PA801L	Statpower Prowatt 125 auto adapter 
PC-PA2200L	Fabric carrying case (no longer manufactured)
PC-PA2201L	Leather carrying case (no longer manufactured)
PR-PA2750U	ExpressWriter 201 portable printer (no longer manufactured)
PC-SW013	Toshiba MS-DOS 5.0 (no longer manufactured)
PC-SW015	Toshiba MS-DOS 5.0 (no longer manufactured)
PC-SW004	Toshiba BASIC 3.30 (no longer manufactured)
System Memory Map

Address range	Space (Kilobytes)	Used For:
'00000000''0009FFFF'	640	System working memory
'000A0000''000BFFFF'	128	Video RAM
'000C0000''000C7FFF'	32	VGA BIOS ROM
'000C8000''000EFFFF'	160	(Reserved)
'000F0000''000FFFFF'	64	System BIOS ROM
'00100000''003FFFFF'	3,072	System working memory
'00400000''023FFFFF'	32,768	Optiional memory cards
'02400000''FFFEFFFF'		Memory expansion in expansion port
'FFFF0000''FFFFFFFF'	64	System BIOS ROM (Duplicated)
Interrupts

Interrupts	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 AddressFrom / 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