(No longer manufactured)
General Information
Model number: T4400SX LCD 80MB - PA1102U (FCC ID# CJ6UK904)
T4400SX PDP 80MB - PA1102UW (FCC ID# CJ6UK905)
T4400SX LCD 120MB - PA1103U (FCC ID# CJ6UK904)
T4400SX PDP 120MB - PA1103UW (FCC ID# CJ6UK905)
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: I486SX-25 MHz (8KB internal cache), Upgradeable to
I486DX-25 MHz for coprocessor feature
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
Video RAM: 256KB
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
Standard features: AutoResume electronic bookmark
HardRAM
Automatic display and hard drive shutdown CPU sleep mode,
Intelligent power supply with battery "gas gauge"
3.5 hrs. battery life; recharges in 1.5 hrs.
Low battery warning light and audible alarm
Password protection
Product Support
U.S. and International limited warranty
Toshiba exceptional care program (requires enrollment)
Operating system included: 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 area: 7.7"W x 5.75"H; 9.5" diagonal
Resolution: 640 x 480
Dot dimension: .24mm x .24mm
Dot pitch: .30mm x .30mm
Aspect ratio: 1 : 1
Contrast: 15 : 1
Gray scales: 16 gray scales in 640 x 480, 64 in 320 x 200
resolution
Gas Plasma Display Panel Display (T4400SX PDP):
Display area: 7.7"W x 5.75"H; 9.5" diagonal
Resolution: 640 x 480
Dot dimension: .24mm x .24mm
Dot pitch: .30mm x .30mm
Aspect ratio: 1 : 1
Contrast: 100:1
Gray scales: 16
Simultaneous display to external monitor
2.5" 80MB Hard Disk Drive:
Conner Peripherals HDD: CP-2084
Interface: IDE
Average access time: 19ms
Recording method: RLL 2-7 or RLL 1-7
Heads: 4
Cylinders: 1150
Tracks per drive: 4600
Sectors per track: 38 (+1)
Bytes per Sector: 512
Formatted capacity: 85.4 MB
Rotation Speed: 3486 rpm
Data Transfer Rate: 12 Mbps
2.5" 120MB Hard Disk Drive:
Toshiba HDD: MK-2124FC
Interface: IDE
Average access time: 17ms
Recording method: RLL 1-7
Heads: 4
Cylinders: 1155
Tracks per Drive: 4620
Sectors per track: 55 (+1)
Bytes per Sector: 512
Formatted capacity: 130.1 MB
Rotation Speed: 3200 rpm
Data Transfer Rate: 15.3 Mbps
or
Conner Peripherals HDD: CP-2124
Interface: IDE
Average access time: 17ms
Recording method: RLL 2-7 or RLL 1-7
Heads: 4
Cylinders: 1123
Tracks per Drive: 4492
Sectors per Drive: 53 (+1)
Bytes per Sector: 512
Formatted capacity: 121.6 MB
Rotation Speed: 3743 rpm
Data Transfer Rate: 18 Mbps
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
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
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 or
PC-T24D/X2 2400 bps Hayes compatible built-in 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-PA7225U 5.25" 360KB external FDD with 18VDC adapter
PC-PA2407URA Battery pack - 2400 mAh
PC-PA900L Battery pack recharger with AC adapter (no longer
manufactured)
PC24-PA2408U Universal AC adapter 21 VDC
PC24-PA800L Auto adapter - 12 VAC (no longer manufactured)
PC-PA801L Statpower Prowatt 125 auto adapter
PC-PA2113 Toshiba SCSI adapter (replaces PC-PA2112)
PC-PA7354E 17-key numeric keypad
PC-PA8718U 101-key keyboard adapter with external power supply
PC-PA722L TD80 external tape backup drive (no longer manufactured)
PC-PA3305L PC Guardian computer lock (no longer manufactured)
PC-PA2700UXZ Desk Station lV (replaces PC-PA2700UX) (no longer
manufactured)
PC-PA2701U Desk Station IV (replaces PC-PA2700UXZ)
PC-PA270L Axonix Cablemate port replicator
PC-PA877LX Fabric carrying case (no longer manufactured)
PC-PA180B Blue PC Pack carrying case
PC-PA180R Red PC Pack carrying case (no longer manufactured)
PC-PA1000L Leather carrying case (no longer manufactured)
PC-PA1050L Leather attache case
PC13-PA874L Executive leather portfolio (no longer manufactured)
NWCCALB Twin Executive Leather carrying case (black)
NWCCAFB Twin Fabric carrying case
NWCCBLB Leather expanded size carrying case
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-SW007 Toshiba MS-DOS 4.01 (no longer manufactured)
PC-SW004 Toshiba BASIC 3.30 (no longer manufactured)
PC-ASP44DX Intel 486DX upgrade kit for I486SX models (no longer
manufactured)
System Memory Map:
Space
Address range: (Kilobytes): Used For:
-------------- ------------ ----------------------------
'00000000' 640 Conventional memory
'0009FFFF'
'000A0000' 128 Video RAM for VGA
'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 Optional memory
'009FFFFF' cards
'00A00000' 384 The rest of System
'00A5FFFF' Memory
'00A60000' Memory expansion in
'FFFEFFFF' expansion port
'FFFF0000' 64 System BIOS ROM
'FFFFFFFF' (Duplicated)
Interrupts:
Interrupts: Level: Assigned To:
----------- ------ -------------------------------
Toshiba America Information Systems Inc. ("TAIS") shall not be liable for
damages of any kind for use of this information, which is subject to change
without notice. Copyright 1994 TAIS.
Weight: T4400C - 8 lbs. with battery pack
T4400SXC - 7.75 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: T4400C - i486SX-25 MHz (8KB internal cache), upgradeable
to i486DX-25;
or i486DX-25 MHz (8KB internal cache)
T4400SXC - i486SX-25 MHz (8KB internal cache), Upgradeable
to i486DX-25 MHz for coprocessor feature
RAM memory: 4MB standard (640KB conventional; 3328KB extended or
HardRAM; 128KB Shadow ROM) Memory expandable up to
20MB via one credit card style memory slot when
optional 2MB, 4MB, 8MB or 16MB card is added
Video RAM: 512KB
Number of keys: 82
Keyboard type: 101-key keyboard compatible
Drives: One 1.44MB 3.5" floppy disk drive
T4400C (with 486SX)- One 120MB hard disk drive;
(with 486DX) one - 200MB hard disk drive
T4400SXC - One 80MB or one 120MB hard disk drive
Standard features:
Power/Speed, caps lock, overlay, numlock, HDD, FDD,
battery lights
AutoResume electronic bookmark
HardRAM
Automatic display and hard drive shutdown
CPU sleep mode,
Intelligent power supply with battery "gas gauge"
3 hrs. battery life; Recharges in 1.5 hrs.
Low battery warning light and audible alarm
Password protection
Product Support
U.S. and International limited warranty
Toshiba Exceptional Care program (requires
enrollment)
Operating system included: 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:
Super VGA color video port (640 x 480 x 256)
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
TFT-LCD Color Active Matrix Display:
Display area: T4400C - 7.6"W x 5.7"H; 9.5" diagonal
T4400SXC - 6.9"W x 5.1"H; 8.5" diagonal
Resolution: 640 x 480
Dot pitch: T4400C - .30mm x .30mm;
T4400SXC - .27mm x .27mm
Aspect ratio: 1 : 1
Contrast: 60 : 1
Colors: 256 colors out of a palette of 185,193 on
TFT-LCD in 640 x 480 mode
Simultaneous display to external monitor
2.5" 80MB Hard Disk Drive (T4400SXC):
Conner Peripherals HDD: CP-2084
Interface: IDE
Average access time: 19ms
Recording method: RLL 2-7 or RLL 1-7
Heads: 4
Cylinders: 1150
Tracks per Drive: 4600
Sectors per Track: 38 (+1)
Bytes per Sector: 512
Formatted capacity: 85.4 MB
Rotation Speed: 3486 rpm
Data Transfer Rate: 12 Mbps
2.5" 120MB Hard Disk Drive (T4400C, T4400SXC):
Toshiba HDD: MK-2124FC
Interface: IDE
Average access time: 17ms
Recording method: RLL 1-7
Heads: 4
Cylinders: 1155
Tracks per Drive: 4620
Sectors per Track: 55 (+1)
Bytes per Sector: 512
Formatted capacity: 130.1 MB
Rotation Speed: 3200 rpm
Data Transfer Rate: 15.3 Mbps
or
Conner Peripherals HDD: CP-2124
Interface: IDE
Average access time: 17ms
Recording method: RLL 2-7 or RLL 1-7
Heads: 4
Cylinders: 1123
Tracks per Drive: 4492
Sectors per Track: 53 (+1)
Bytes per Sector: 512
Formatted capacity: 121.6 MB
Rotation Speed: 3743 rpm
Data Transfer Rate: 18 Mbps
2.5" 200MB Hard Disk Drive (T4400C):
Toshiba HDD: MK-2224FC
Interface: IDE
Average access time: 12ms
Recording method: RLL 1-7
Heads: 4
Cylinders: 1560
Tracks per Drive: 6240
Bytes per Sector: 512
Formatted capacity: 213.0 MB
Rotation Speed: 4000 rpm
Data Transfer Rate: 18.9 to 31.6 Mbps
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
Hardware Switches and Controls
1) Power on/off
Located on left side of computer
2) Reset
Located on back of computer
3) LCD brightness dial
Located on right side of display on T4400SXC
(none on T4400C)
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 or
PC-T24D/X2 2400 bps Hayes compatible dedicated built-in
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-PA7225U 5.25" 360KB external FDD with 18VDC adapter
PC-PA2407URA Battery pack - 2400 mAh
PC-PA900L Battery pack recharger with AC adapter (no longer
manufactured)
PC24-PA2408U Universal AC adapter 21 VDC
PC24-PA800L 12VAC automobile adapter (no longer manufactured)
PC-PA801L Statpower Prowatt 125 auto adapter
PC-PA2113 Toshiba SCSI adapter (replaces PC-PA2112)
PC-PA7354E 17-key numeric keypad
PC-PA8718U 101-key keyboard adapter with external power supply
PC-PA722L TD80 external tape backup drive (no longer
manufactured)
PC-PA3305L PC Guardian computer lock (no longer manufactured)
PC-PA2700UXZ Desk Station lV (replaces PC-PA2700UX)
PC-PA2701U Desk Station IV (replaces PC-PA2700UXZ)
PC-PA270L Axonix Cablemate port replicator
PC-PA877LX Fabric carrying case (no longer manufactured)
PC-180B Blue PC Pack carrying case
PC-180R Red PC Pack carrying case (no longer manufactured)
PC-PA1000L Leather carrying case (no longer manufactured)
PC-PA1050L Leather attache case
PC13-PA874L Executive leather portfolio (no longer manufactured)
NWCCALB Twin Executive Leather carrying case
NWCCAFB Twin Fabric carrying case
NWCCBLB Leather Expanded size carrying case
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-SW007 Toshiba MS-DOS 4.01 (no longer manufactured)
PC-SW004 Toshiba BASIC 3.30 (no longer manufactured)
PC-ASP44DX Intel 486DX upgrade kit for i486SX models
(no longer manufactured)
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
System Memory Map:
Space
Address range: (Kilobytes): Used For:
-------------- ------------ -------------------------
'00000000' 640 Conventional memory
'0009FFFF'
'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' 3,072 System working
'003FFFFF' memory
'00400000' 16,384 Optional working
'013FFFFF' memory
'014FFFFF' 384 The rest of system
'0145FFFF' working memory
'01460000' Memory expansion in
'FFFEFFFF' expansion port
'FFFF0000' 64 System BIOS ROM
'FFFFFFFF' (Duplicated)
Interrupts:
Interrupts: Level: Assigned To:
----------- ------ -------------------------------
DMAC: Channel: Assigned to:
----- -------- ----------------------------
1 0 Not used
1 Reserved
2 FDD
3 Reserved
2 4 Cascade for DMAC 1
5 Reserved
6 Reserved
7 Not used
Toshiba America Information Systems Inc. ("TAIS") shall not be
liable for damages of any kind for use of this information, which
is subject to change without notice. Copyright 1994 TAIS.
