Toshiba T-Series T4600 User manual

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T4600, T4600C
(Currently available with 200MB or 320MB hard drives; 120MB models no longer manufactured)
General Information
Model number: T4600 Monochrome display 120MB - PA1201U-M2A (FCC ID# CJ6UK450)
T4600 Monochrome display 200MB - PA1202U-M2A (FCC ID# CJ6UK450)
T4600C Color display 120MB - PA1201U-X2A (FCC ID# CJ6UK451)
T4600C Color display 200MB - PA1202U-X2A (FCC ID# CJ6UK451)
T4600C Color display 320MB - PA1203U-X2A (FCC ID# CJ6UK451)
Dimensions: T4600 - 11.7"W x 8.3"D x 1.8"H
T4600C - 11.7"W x 8.3"D x 2.0"H
Weight: T4600 - 6.4lbs. with battery pack
T4600C - 6.9lbs. with battery pack
Voltage: Computer DC input - 15VDC, 2.0A
Universal AC adapter - 100-240 VAC 50-60 Hz
Batteries: T4600 - removable rechargeable NiCd or NiMH battery pack.
3 hrs. + battery life per charge; recharges in 2 hrs. off/4hrs. on
T4600C - removable rechargeable NiMH battery pack.
2.5 hrs. + battery life per charge; recharges in 2hrs. off/4hrs. on
Internal NiMH backup battery for memory backup, lithium RTC battery for real time clock
CPU: i486SL-33Mhz (8KB internal cache; internal coprocessor)
RAM memory: 4MB standard, 3.3 volt operation (640KB conventional memory plus 3,328KB which can be
configured as RAM disk (HardRAM), expanded (LIM/EMS 4.0), and/or extended memory,
plus 128KB shadow BIOS ROM
Memory expandable up to 20MB using 4, 8 or 16MB user installable credit card style memory
Video RAM: 512KB
Number of keys: 82
Keyboard type: 101-key keyboard compatible
Drives: One 1.44MB 3.5" floppy disk drive
One 120MB, 200MB, or 320MB hard disk drive
Standard features: MaxTime<P6MJ247>TM <P255DJ0> power management capabilities including:
APM drivers
AutoResume electronic bookmark
AutoSave safety data retrieval system
CPU sleep mode
Snap mode
Automatic display, hard drive, and floppy drive power down
HardRAM
Low battery warning light and audible alarm
Digital battery gauge
Status bar LCD readout and System Hotkeys
Battery charge light
BIOS in Flash ROM
Multi-level power on password
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: Toshiba MS-DOS 6.0
Windows 3.1
Ultrafont
Hypertext on-line documentation (disk resident) includes T4600/T4600C Reference.
Pointing device: Ballpointmouse with QuickPortconnection
Software Compatibility
Compatible with software written for the IBM PC/XT/AT using VGA, EGA, or CGA resolution graphics modes

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. 4600.DOC Rev. 1 06/02/94 MQC/nmm.
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T4600, T4600C(continued)
Interfaces
Super VGA color video port (supports 640 x 480, 256 colors; 800 x 600, 16 colors; 800 x 600, 256 colors;
1024 x 768, 16 colors)
16mm "Hot Plug" PCMCIA slot
5mm "Hot Plug" PCMCIA slot
RS-232-C serial port
Parallel printer port
150 pin expansion bus connector
PS/2 keyboard port
PS/2 mouse port
Credit card style memory slot
Kensington cable lock slot
QuickPortconnection for BallPointmouse
Fluorescent Sidelit Supertwist LCD Display (T4600)
Display area: 7.6"W x 5.7"H; 9.5" diagonal
Resolution: 640 x 480
Dot dimension: .24mm x .24mm
Dot pitch: .30mm x .30mm
Aspect ratio: 1 : 1
Contrast: 17 : 1
Gray scales: 64 gray scales
Simultaneous display to external monitor on video modes up to 640 x 480, 16 colors
TFT-LCD Color Active Matrix Display (T4600C)
(Refer to section 6-1 for more information on Toshiba color TFT-LCD technology)
Display area: 7.6"W x 5.7"H; 9.5" diagonal
Resolution: 640 x 480
Dot pitch: .30mm x .30mm
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 on video modes up to 640 x 480, 256 colors
2.5" 120MB Hard Disk Drive (T4600 or T4600C)
Toshiba HDD: MK-2124FC
Interface: IDE
Average access time: 17ms
Recording method: RLL 2-7
2.5" 200MB Hard Disk Drive (T4600 or T4600C)
Toshiba HDD: MK-2224FC
Interface: IDE
Average access time: 12ms
Recording method: RLL 2-7
2.5" 320MB Hard Disk Drive (T4600C)
Toshiba HDD: MK-2326FC
Interface: IDE
Average access time: 12ms
Recording method: RLL 2-7
T4600, T4600C(continued)

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. 4600.DOC Rev. 1 06/02/94 MQC/nmm.
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Hardware Switches and Controls
1) Power on/off
Located on left side of computer
2) Reset
Located on left side of computer
3) PCMCIA eject button
Located on right side of computer inside cover (for 5mm slot 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): -22 to 10,000 ft. (-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. (10,000 meters) max.
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 Power save mode
Fn + F3 AutoResume Enable/Disable
Fn + F4 Speaker volume adjustment - on, off, high, medium, low - press key repeatedly to set level
Fn + F5 Internal/Simultaneous/External displays - press key repeatedly to set choice
Fn + F6 Normal/Reverse gray scales (T4600)
Fn + F10 Arrow (cursor control on numeric keypad overlay)
Fn + F11 Numeric keypad overlay
Fn + F12 Scroll Lock
Fn + Right/Left arrow Contrast adjustment (T4600)
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
T4600, T4600C(continued)
Options and Extra Accessories

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. 4600.DOC Rev. 1 06/02/94 MQC/nmm.
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PC-PA2012U 4MB memory card
PC-PA2013U 8MB memory card
PC-PA2014U 16MB memory card
T24NW Noteworthy PCMCIA Type II 2400/9600bps data/fax modem
T144NW Noteworthy PCMCIA Type II 14400bps data/fax modem (no longer manufactured)
T144NWX Noteworthy 5mm PCMCIA, type II 14400bps data/fax modem
PC-T144PF4 14mm PCMCIA 2.01 compliant 14400bps data/fax modem (dual RJ-11)
NWTR01 Noteworthy PCMCIA type II Token Ring card
NWETH01 Noteworthy 10BaseT PCMCIA type II Ethernet card
NWETH02 Noteworthy 10Base2 PCMCIA type II Ethernet card
NW3270 Noteworthy PCMCIA type II 3270 emulation card
NWHD105M3 Noteworthy PCMCIA type III 105MB hard disk drive
SW3270 IBM PC/3270 software for NW3270 card
PA28064 Cryptcard PCMCIA type II (DES) data encryption card
PC-PA2412URA Battery pack - NiCd (no longer manufactured)
PC-PA2413URA Battery pack - Nickel Hydride
PC-PA2520L Battery pack recharger (no longer manufactured)
PC-PA2411U Universal AC adapter
PC-PA2455L 12VAC automobile adapter
PC-PA801L Statpower Prowatt 125 auto adapter
PC-PA2113 Toshiba 150 pin SCSI adapter (replaces PC-PA2112)
PC-PA3350L Kensington security cable lock
PC-PA2700UXZ Desk Station lV
PC-PA2701U Desk Station IV (replaces PC-PA2700UXZ)
PC-PA180B PC pack carrying case (blue)
PC-PA180R PC pack carrying case (red)
NWCCAFB Twin fabric carrying case
NWCCALB Twin leather carrying case
PC-PA877LX Fabric carrying case (no longer manufactured)
PC-PA1050L Leather attache case
PC13-PA874L Executive leather portfolio (no longer manufactured)
PA2805U Ballpoint Mouse 2.0 with Quickport
System Memory Map
Address range Space (Kilobytes) Used For:____________
'00000000' 640 System working
'0009FFFF' memory______________
'000A0000' 128 Video RAM
'000BFFFF' ____________________________________________
'000C0000' 32 Video BIOS ROM
'000C7FFF' (Shadow ROM)________
'000C8000' 160 Reserved for ISA bus
'000EFFFF' _____________________________________
'000F0000' 64 System BIOS ROM
'000FFFFF' (Shadow ROM)________
'00100000' 3,072 System working
'003FFFFF' memory______________
'00400000' 16,384 Optional working memory
'013FFFFF' _____________________________________
'01400000' 256 The rest of system
'0143FFFF' working memory_______
'01440000' Memory expansion in
'03FEFFFF' expansion port_________
'03FE0000' 128 System BIOS ROM
'03FFFFFF' (Duplicated)___________
T4600, T4600C(continued)
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. 4600.DOC Rev. 1 06/02/94 MQC/nmm.
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-- NMI RAM Parity Error; I/O Channel Error
0Timer
1 Keyboard
2 PIC 2 for levels 8 to 15
1 3 Secondary Communications (COM 2)
4 Primary Communications (COM 1)
5 PRT 2 (LPT 2)
6FDC
7 PRT 1 (LPT 1) PRT 3 (LPT 3)______
8RTC
9 Software Redirect to INT '0A'
2 10 Reserved
11 Reserved
12 PS/2 Mouse
13 Math coprocessor
14 HDC
15 Reserved
DMA channels
DMAC Channel Assigned To:______
0 Not used
#1 1 Reserved
2FDD
3 Reserved__________
4 Cascade for DMAC #1
#2 5 Reserved
6 Reserved
7 Not used
T4600, T4600C(continued)
I/O Port Assignment
Port Address
From / To Device / Function___________
'000' / '01F' 82C37 : DMA Controller 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. 4600.DOC Rev. 1 06/02/94 MQC/nmm.
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'020' / '03F' 82C59 : PIC 1
'040' / '05F' 82C54 : Timer
'060' / '06F' KBC
'070' NMI Mask Register
'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' Math Coprocessor
'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' Bisynchronous 1
'3B0' / '3BF' MDA, Parallel PRT 3
'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