Conventional Memories

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Index

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Satellite™ T1800, T1850, T1850C

(No longer manufactured) (1800)

General Information

Model number: T1800 60MB - PA1030U (FCC ID# CJ6UN180)

T1800 80MB - PA1031U (FCC ID# CJ6UN180)

T1850 80MB - PA1033U (FCC ID# CJ6UN185)

T1850 120MB - PA1034U (FCC ID# CJ6UN185)

T1850C 80MB - PA1033UX (FCC ID# CJ6UN186)

T1850C 120MB - PA1034UX (FCC ID# CJ6UN186)
Dimensions: T1800/T1850 - 11.8"W x 8.4"D x 2.2"H

T1850C - 11.8"W x 8.4"D x 2.3"H
Weight: T1800/T1850 - 6.8 lbs. with battery pack

T1850C - 7.3lbs with battery pack
Voltage: T1800/T1850 - 15VDC, 1.4A

T1850C - 15VDC, 2.0A

Universal AC adapter - 100-240 VAC 50-60 Hz
Batteries: Removable rechargeable 9.6V, 2800mAH NiCd battery pack

Internal NiCd backup battery for memory backup, NiCd RTC battery for real time clock
CPU: T1800 - I386 SX-20 (20/10Mhz), I387 SX-20 math coprocessor socket

T1850/T1850C - i386 SX-25 (25/12.5Mhz), I387 SX-25 math coprocessor socket
RAM memory: T1800 - 2MB standard (640KB conventional memory plus 1,408KB which can be configured as

RAMdisk (HardRAM), expanded (LIM/EMS 4.0) and/or extended memory, shadow BIOS ROM

Memory expandable up to 10MB using 2,4, or 8MB user installable credit card style memory

T1850/T1850C - 4MB standard (640KB conventional memory plus 3,456KB which can be

configured as RAM disk (HardRAM), expanded (LIM/EMS 4.0), and/or extended memory,

shadow BIOS ROM.

Memory expandable up to 12MB using 2, 4, or 8MB user installable credit card style memory
Video RAM: 256KB
Number of keys: 82
Keyboard type: 101-key keyboard compatible
Drives: One 1.44MB 3.5" floppy disk drive

T1800 - 60MB or 80MB hard disk drive, T1850/T1850C - 80MB or 120MB hard disk drive
Lights: Power/Speed; Caps lock; Overlay; Numlock; Disk in Use; Battery; DC IN
Standard Features: MaxTimeTM power management capabilities including:

APM drivers

AutoResume electronic bookmark

AutoSave safety data retrieval system

CPU sleep mode

Automatic display and Hard drive power down

HardRAM

Low battery warning light and audible alarm

Intelligent power supply with battery "gas gauge"

Pop-up window to control MaxTime

BIOS in Flash ROM

Power on Password

Shadow BIOS ROM

U.S. and International warranty

Product Support

Toshiba Exceptional Care program (requires enrollment)
Operating system included: Toshiba MS-DOS 5.0 preinstalled on all models.

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

Toshiba "E" form factor internal modem slot

PS/2 mouse port

Credit card style memory slot

Kensington cable lock port

Fluorescent Sidelit Monochrome STN LCD Display (T1800, T1850)

Display area: 7.7"W x 5.8"H; 9.5" diagonal
Resolution: 640 x 480
Dot pitch: 0.3mm x 0.3mm
Aspect ratio: 1 : 1
Contrast: 17 : 1 max.; 8 : 1 min.
Gray scales: 16 gray scales in 640 x 480 resolution, 64 gray scales in 320 x 200 resolution

Fluorescent Sidelit Ultra-STN Color LCD (T1850C)

Display area: 7.7"W x 5.8"H; 9.5" diagonal
Resolution: 640 x 480
Dot pitch: 0.3mm x 0.3mm
Contrast: 10 : 1
Colors: 16 colors in 640 x 480 resolution; 256 colors out of a palette of 226,981 in 320 x 200 resolution

2.5" 60MB Hard Disk Drive (T1800)

Conner Peripherals HDD: CP2064
Interface: IDE
Average access time 19ms
Recording method: 1-7 RLL

2.5" 80MB Hard Disk Drive (T1800, T1850, T1850C)

Conner Peripherals HDD: CP2084
Interface: IDE
Average access time
19ms  
Recording method: 1-7 RLL

or

Toshiba HDD: MK-2024FC
Interface: IDE
Average access time: 19ms
Recording method: 1-7 RLL

2.5" 120MB Hard Disk Drive (T1850, T1850C)

Conner Peripherals HDD: CP2124
Interface: IDE
Average access time: 17ms
Recording method: 1-7 RLL

Soft Switches

1) Change CPU speed

Fn + PgUp T1800 - 20MHz CPU Speed; T1850/T1850C - 25MHz CPU Speed
Fn + PgDn T1800 - 10MHz CPU Speed; T1850/T1850C - 12.5MHz CPU 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 + CTRL Simulate IBM enhanced keyboard Right Ctrl
Fn + ALT Simulate IBM enhanced keyboard Right Alt
Fn + enter Simulate IBM enhanced keyboard numeric keypad Enter

5) Interrupting process

Ctrl + S Pause

Hardware Switches and Controls

1) Power on/off

Located on left side of computer

2) Reset

Located on left side of computer

3) LCD contrast dial

Located on right side of display

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

Options and Extra Accessories

PC-PA2000U 2MB memory card (no longer manufactured)
PC-PA2001U 4MB memory card (no longer manufactured)
PC-PA2002U 8MB memory card (no longer manufactured)
PC-T24D 2400 bps Hayes compatible dedicated built-in modem (Bell or CCITT) (no longer manufactured)
PC-T24D/X2 2400 bps Hayes compatible dedicated built-in cellular capable modem w/enhanced protocol (MNP5,V.42 bis) (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-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-PA7225U 5.25" 360KB external FDD with 18VDC adapter
PC-PA2410URA Battery pack - 2800 mAH
PC-PA2440L Battery pack recharger with AC adapter
PC-PA2409U T1800/T1850 - Universal AC adapter (15VDC, 1.4A)
PC-PA2411U T1850C - Universal AC adapter (15VDC, 2.0A)
PC-PA2450L T1800/T1850 - Auto adapter (20 watt) (no longer manufactured)
PC-PA2455L T1850C - Auto adapter (30 watt)
PC-PA801L Statpower Prowatt 125 auto adapter
PC-PA3350L Kensington cable lock
PC-PA7354E 17-key numeric keypad
PC-PA8718U 101-key keyboard adapter with external power supply
PC-PA877LX Fabric carrying case (no longer manufactured)
PC-PA180B Blue PC Pack carrying case
PC-PA180R Red PC Pack carrying case
PC-PA1000L Leather carrying case (no longer manufactured)
PC-PA1050L Leather attache
PC13-PA874L Executive leather portfolio (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)

System Memory Map (T1800)

Address range

 Space (Kilobytes)

Used For:
'000000'

'09FFFF'

 640 Conventional memory
'0A0000'

'0BFFFF'

 128 Video RAM for VGA
'0C0000'

'0C7FFF'

 32 VGA BIOS ROM
'0C8000'

'0DFFFF'

 96 Reserved
'0E0000'

'0E7FFF'

 32 HardRAM window
'0E8000'

'0EFFFF'

 32 Backup RAM
'0F0000'

'0FFFFF'

 64 System BIOS ROM
'100000'

'25FFFF'

 1,408 System working memory
'260000'

'A5FFFF'

 8,192 Optional working memory
'A60000'

'FEFFFF'

   Reserved
'FF0000'

'FFFFFF'

 64 System BIOS ROM (Duplicated)

System Memory Map (T1850/T1850C)

Address range

 Space (Kilobytes)

Used For:
'00000000'

'0009FFFF'

 640 Conventional memory
'000A0000'

'000BFFFF'

 128 Video RAM
'000C0000'

'000C7FFF'

 32 VGA BIOS ROM
'000C8000'

'000DFFFF'

 96 Reserved
'000E0000'

'000E7FFF'

 32 HardRAM window
'000E8000'

'000EFFFF'

 32 Backup RAM
'000F0000'

'000FFFFF'

 64 System BIOS ROM
'00100000'

'0042FFFF'

 3,456 System working memory
'00430000'

'00C2FFFF'

 8,192 Optional memory cards
'00C30000'

'FFFEFFFF'

 Reserved
'FFFF0000'

'FFFFFFFF'

 64 System BIOS ROM (Duplicated)

Interrupts

Interrupt Level Assigned To:
-- NMI I/O Channel check or power off
  0 Timer
  1 Keyboard
  2 PIC 2
1 3 COM2
  4 COM1
  5 Reserved
  6 Floppy Disk
  7 Printer 1
  8 Real Time Clock
  9 Software Redirect to INT 0Ah
2 10 Reserved
  11 Reserved
  12 PS/2 Mouse
  13 Numeric Data Processor
  14 Hard Disk
  15 Reserved

I/O Port Assignment

Port Address  
From / To Device / Function
'000' / '01F' 8237 : DMA Controller 1
'020' / '03F' 8259 : PIC 1
'040' / '05F' 8254 : PIT
'060' / '06F' KBC
'070' / '07F' RTC
'080' / '09F' DMA Page Register
'0A0' / '0BF' 8259 : PIC 2
'0C0' / '0DF' 8237 : DMA Controller 2
'0E0' / '0EF' Special Register
'0F0' / '0FF' NDP Error Clear Port
'100' / '1EF' (Not used)
'1F0' / '1FF' HDC Port
'200' / '207' (Not used)
'2F8' / '2FF' Serial Port (COM 2)
'300' / '377' (Not used)
'378' / '37F' Parallel Printer Port
'380' / '3AF' (Not used)
'3B0' / '3DF' VGA Port
'3E0' / '3EF' (Not Used)
'3F0' / '3F7' FDC, FDD Interface Port
'3F8' / '3FF' Serial Port (COM1)

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, 1995 TAIS.