Toshiba T-Series T4900CT User manual

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. 4900.DOC Rev. 2 09/24/96 MQC/nmm
Page 11 of 5
Computer Specifications
T4900CT
General Information
Model number: T4900CT Color TFT-LCD active matrix display 772MB PA1205U-T2A (FCC ID# CJ6UK454))
Dimensions: T4900CT - 11.7"X x 8.3"D x 2.2"H
Weight: 6.9lbs. with battery pack
Voltage: Computer DC input: 18VDC, 1.7A
Universal AC adapter: 100-240 VAC 50-60 Hz
Batteries: Removable rechargeable NiMH battery pack
2 + hrs. battery life per charge; recharges in 2hrs. off/6 hrs. on
Internal NiMH backup battery for memory backup, vanadium lithium RTC battery for real time clock
CPU: 3.3V SL enhanced Pentium P54C 75MHz (16KB internal cache; integrated math coprocessor)
RAM memory: 8MB standard, 3.3 volt operation (640KB conventional memory plus 7.360MB which can be
configured as RAM disk, expanded (LIM/EMS 4.0), and/or extended memory, plus 192KB shadow
ROM
Memory expandable up to 40MB using 4, 8, 16 or 32MB user installable credit card style memory
Video: 1MB video RAM
Local-bus video and graphics accelerator with BitBLT, C&T F65545 3.3V
Number of keys: 82
Keyboard type: 101-key keyboard compatible. Full-function 82 key sculptured keyboard with 12 dedicated function
keys and 8 dedicated cursor control keys. Arrow keys arranged in an inverted "T" pattern.
Drives: One 1.44MB 3.5" floppy disk drive, One 772MB (810 million byte) hard disk drive
Standard features: MaxTimeTM power management capabilities including:
AutoResume safety data protection
Resume electronic bookmark
Selectable processing speeds
CPU sleep mode
Automatic display and hard drive power down
Low battery warning and audible alarm
System auto off
LCD brightness
Battery save mode
Speaker volume
Software sounds
Panel power
Alarm power on setup
Critical battery alarm setup
MaxTime®display style setup
Auto on timer
Sound card power
Panel close alarm
Digital battery gauge
HWSetupTM System Configuration
Memory information
HDD size and enabling
Serial port/Parallel port setup
Pointing device setup
Display setup
CPU cache enable
Hotkey
Boot Priority
Sound system address/power
Ext. keyboard Fn key configuration
APM integrated in system BIOS
QuickRead status icons
System control hotkeys including instant hotkey screen blank
BIOS in Flash ROM
Password protection
VESA®in BIOS
Stretch in BIOS
Shadow BIOS ROM
System reset button
3 year U.S. and International warranty (One year warranty on battery)
Product Support
Meets standards for EPA Energy Star Computer Program
Preinstalled software: MS-DOS®6.22 operating system
Windows For Workgroups 3.11 or Windows 3.11
Windows Sound System 2.1

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. 4900.DOC Rev. 2 09/24/96 MQC/nmm
Page 11 of 5
Run Time Video for Windows 1.2
IndeoTM Video 3.1
Fn-esse
AccuPoint™ mouse driver
Advanced SVGA Video drivers for Windows
Hypertext on-line documentation (disk resident) includes T4900CT reference manual
Pointing device: AccuPoint™
Software Compatibility:
Compatible with software written for the IBM®PC/XT/AT using VGA®, EGA, or CGA resolution graphics modes.
IBM®super video graphics array (SVGA) compatible display system.
Microsoft Windows Sound System (wave and Midi audio) compatible.
Interfaces
SVGA color video port (supports 640 x 480, 64K colors internal or external; 800 x 600, 16 colors; 800 x 600, 256 colors;
1024x768, 16, 1024 x 768, 256 colors external) internally 640x480 moveable window at higher resolutions
PCMCIA 2.01 compliant slot (10.5mm) supports type I, II, or III cards
PCMCIA 2.01 compliant type I or II slot (5mm)
RS-232-C serial port
Parallel printer
150 pin expansion bus connector for optional Desk Station IV docking station
PS/2 keyboard port
PS/2 mouse port
Credit card style memory slot
Kensington®cable lock slot
Audio-out headphone or external speaker jack stereo
Input jack for external microphone stereo
Audio System
16 bit sound
Wave and Midi audio compatibility
Built-in stereo speaker and microphone
Headphone or external speaker jack
Microphone jack
Color TFT-LCD Active Matrix Display
Display area: 8.3"W x 6.2"H; 10.4" diagonal
Resolution: 640 x 480
Dot pitch: .33mm x .33mm
Aspect ratio: 1 : 1
Contrast: 100 : 1 typ, 60 : 1 min
Colors: Up to 64K colors out of a palette of 256K in 640 x 480 mode
Simultaneous display to external monitor
2.5" 772MB (810 Million Byte) Hard Disk Drive
IBM HDD: DVAA 2810
Interface: IDE
Average access time: 15ms
Recording method: RLL 1-7
Hardware Switches and Controls
1) Power on/off
Located on left side of computer
2) Reset
Located on left side of computer
3) AccuPoint

integrated pointing device
Located on front of computer

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. 4900.DOC Rev. 2 09/24/96 MQC/nmm
Page 11 of 5
T4900CT(continued)
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): -60 to 3,000 meters
2) Non-Operating condition
Ambient temperature: -4 to 149 degrees F.
-20 to 65 degrees C.
Relative humidity: 10% to 90% non-condensing
Altitude (from sea level): 30,000 ft.
3) Wet bulb temperature condition
Ambient temperature: 79 degrees F. (26 degrees C.)
maximum
HotKeys used with Fn key
Fn + F1 Instant security ON/OFF
Fn + F2 Battery save mode
Fn + F3 Resume/Boot mode
Fn + F4 Speaker volume adjustment - off, low, medium, high - press key repeatedly to set
level
Fn + F5 Internal/Simultaneous/External displays - press key repeatedly to set choice
Fn + F10 Arrow (cursor control on numeric keypad overlay)
Fn + F11 Numeric keypad overlay
Fn + F12 Scroll Lock
Fn + Up/Down arrow Brightness adjustment
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-PA2012U 4MB 3.3V memory card
PC-PA2013U 8MB 3.3V memory card
NW2014U 16MB 3.3V memory card
NW2015U 32MB memory 3.3V memory card
NW144CR Noteworthy™ 14,400 bps Cellular-Ready data/fax modem, PCMCIA Type II
NWTR01X Noteworthy™ PCMCIA type II Token Ring card
NWETH01X Noteworthy™ 10BaseT PCMCIA type II Ethernet card
NWETH02X Noteworthy™ 10Base2 PCMCIA type II Ethernet card
NW3270 Noteworthy™ PCMCIA type II 3270 emulation card
SW3270 IBM®PC/3270 software for NW3270 card
NWHD105M3 Noteworthy™ 105MB Hard disk drive, PCMCIA Type III
NWHD262M3 Noteworthy™ PCMCIA Type III 262MB hard disk drive
PA28064 Cryptcard PCMCIA Type II (DES) data encryption card
PA2429URA Battery pack, NiMH (2600mAh)
PC-PA2422U Battery pack recharger
PA2431U Universal AC adapter
PC-PA801L Statpower auto adapter (requires universal AC adapter)
PC-PA3350L Kensington®security cable lock
PC-PA2701U Deskstation IV
PC-PA180B PC pack carrying case (blue)
NWCCAFB Twin fabric carrying case
NWCCDFB Universal fabric carrying case
NWCCALB Twin Executive leather carrying case, black
NWCCBLB Leather expanded size carrying case
PC-PA877LX Fabric carrying case (no longer manufactured)
PC-PA1050L Leather attache case
PA2209US External PS/2 keyboard
NW500L Noteworthy™ NewsCard™ wireless receiver, PCMCIA Type II
NW621P 17-key numeric keypad with pass through parallel interface
NW623S 17-key numeric keypad with serial interface
NWSCSI01 Noteworthy™ SCSI-II adapter, PCMCIA Type I
NWMOTO Cellular direct connect cable kit (Motorola)
NWNOKI Cellular direct connect cable kit (Nokia)

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. 4900.DOC Rev. 2 09/24/96 MQC/nmm
Page 11 of 5
T4900CT(continued)
System Memory Map:
Space
Address Range (Kilobytes) Used For:
'00000000'
'0009FFFF' 640 Conventional memory
'000A0000'
'000BFFFF' 128 Video RAM
'000C0000'
'000C7FFF' 32 Video BIOS ROM (Shadow RAM)
'000C8000'
'000CFFFF' 32 Reserved (PNP Work RAM)
'000D0000'
'000DFFFF' 64 Reserved
'000E0000'
'000E7FFF' 32 Reserved
'000E8000'
'000EFFFF' 32 Backup RAM
'000F0000'
'000FFFFF' 64 System BIOS ROM (Shadow RAM)
'00010000'
'007FFFFF' 7,168 System working memory
'00800000'
'027FFFFF' 32,768 Optional working memory
'02800000'
'0282FFFF' 192 The rest of system working memory
'02830000'
'07FEFFFF' Memory expansion in expansion port
'07FF0000'
'07FFFFFF' 64 System BIOS ROM (duplicated)
Interrupts
Interrup
tLevel Assigned To:
-- NMI RAM Parity Error, I/O Channel check
0 Timer (channel 0)
1 Keyboard
2 PIC #2 for level 8 to 15
13 COM2
4COM1
5 Reserved
6 Floppy disk
7 Printer 1 or Windows Sound System*
28 RTC
9 Software Redirect to INT 0Ah
10 Windows Sound System*
11 Windows Sound System*
12 PS/2 mouse
13 Math Co-processor
14 Hard disk
15 Reserved
*: Select one IRQ level from 7, 9, 10, or 11 in control panel, drivers, MS Windows Sound System.
DMA channels
DMAC Channel Assigned To:
0 Windows Sound System*
#1 1 ECP or Windows Sound System*
2 Floppy disk
3 Windows Sound System*
#2 4 Cascade for DMAC #1
5 Reserved
6 Reserved
7 Not Used
*: Select one DMA level 1, or 3 in control panel, drivers, MS Windows Sound System.

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. 4900.DOC Rev. 2 09/24/96 MQC/nmm
Page 11 of 5
T4900CT(continued)
I/O Port Assignment:
Port Address:
From/To: Device/Function
'000' to '01F' 82C37:DMA Controller 1
'020' to '03F' 82C59:PIC 1
'040' to '05F' 82C54:Timer
'060' to '06F' KBC *5
'070' NMI Mask Register
'070' to '07F' RTC
'080' to '09F' DMA Page Register *2
'0A0' to '0BF' 82C59:PIC2
'0C0' to '0DF' 82C37:DMA Controller 2
'0E0' to '0EF' Not Used
'0F0' to '0F7' Math Coprocessor
'100' to '1EF' VGA
'1F0' to '1FF' HDC
'200' to '207' Game I/O *1
'208' to '20F' Not Used
'210' to '217' Expansion Unit * 1
'218' to '21F' Not Used
'220' to '257' Not Used
'258' to '25F' Not Used
'260' to '267' Not Used
'268' to '26F' Not Used
'270' to '277' Not Used
'278' to '27F' Parallel PRT 2 *1
'280' to '2A7' Not Used
'2A8' to '2AF' Reserved for EMS *1
'2B0' to 2B7' Not Used
'2B8' to '2BF' Reserved for EMS *1
'2C0' to '2DF' Not Used
'2E0' to '2E7' Not Used
'2E8' to '2EF' Reserved for EMS *1
'2F0' to '2F7' Not Used
'2F8' to '2FF' Serial Port 2 (COM2)
'300' to '31F' Prototype Card *1
'320' to '32F' XT type HDC *1
'330' to '337' Not Used
'338' to '33F' Serial Port 3 (COM3) *4
'340' to '377' Not Used
'378' to '37F' Parallel PRT 1
'388' to '38B' FM Synthesizer
'390' to '39F' Not Used
'3A0' to '3AF' Bisynchronous 1 *1
'3B0' to '3BF' MDA, Parallel PRT 3
'3C0' to '3DF' CGA, EGA, VGA
'3E0' to '3E7' Not Used
'3E8' to '3EF' Serial Port 3 (COM3) *4
'3F0' to '3F7' FDC *3
'3F8' to '3FF' Serial Port (COM1)
'400' to '47F' Not Used
'480' to '49F' DMA Hi-Page Register *2
'530' to '537' Sound System
'604' to '60B' Sound System
'E80' to 'E87' Sound System
*1: It is used for expansion cards installed in Desk Station IV expansion slots.
*2: 16 x 8 bit read-write registers are assigned to addresses '080' - '08F' and '480' - '49F', however, part of this area is
assigned for DMA page register and DMA high-page register. The area not used for either of these registers can be used for
other purposes. However, if ports '&90' - '&9F' are accessed, '&80' - '&8F' are also accessed. '&81', '&82', '&83', '&87', '&89',
'&8A', '&8B. and '&8F' are used for DMA Page Register /DMA High Page Register. '&80', '&84', '&85', '&86', '&88', '&8C', '&8D',
and '&8E' are used for other purpose or not used.
&=0: DMA Page Register
&=4: DMA High Page Register
*3: I/O Ports '3F6' and '3F7' also, are used for the HDC.
*4: It is used for Desk Station IV's COM3.
*5: I/O ports '060' and '064' are KBC. '061' is system status port.