General Information
Part number: T1200F - PA7044U
T1200FB - PA7044UW
T1200H - PA7048U
T1200HB - PA7048UW
Dimensions: T1200F, T1200H 12.2"W x 2.6"H x 12.0"D
T1200FB, T1200HB 12.2"W x 2.9"H x 12.0"D
Weight: T1200F - 9.4 lbs.
T1200FB - 9.9 lbs.
T1200H - 10.9 lbs.
T1200HB - 11.4 lbs.
Voltage: Computer DC input - 12 VDC, 2.2 A (+ = core; - = shell)
AC adapter - 110/220 VAC 50/60 Hz 40W
Battery: Removable rechargeable NiCD battery pack
CPU: 80C86-1 (9.54/4.77MHZ); 80C87 coprocessor socket
RAM memory: 1MB standard (640KB conventional; 384KB LIM EMS or HardRAM)
Memory expandable to 2MB when optional 1MB LIM-EMS (3.2)/Hard Ram
memory card is added
Number of keys: 82
Keyboard type: Selectable between 84 or 101-key keyboard compatible
Drives: T1200H, T1200HB - One 20MB hard disk drive,
One 720KB 3.5" floppy disk drive
T1200F, T1200FB - Two 720KB 3.5" floppy disk drives
Features: AutoResume, HardRam, Intelligent power supply with "Gas
Gauge"
Operating system: Toshiba MS-DOS 3.30
Software Compatibility
Compatible with software written for the IBM PC/XT using a color graphics
adapter (CGA) display
Interfaces
RGB (CGA) color video port
Composite b&w monochrome video port
RS-232-C serial port
Parallel printer port
Numeric keypad port
External diskette drive port
Toshiba proprietary expansion slot - "A" form factor
Built-in dedicated modem slot - "C" and "D" form factors
Display
Display type T1200F/H: Reflective Supertwist LCD
Display type T1200FB/HB: Electroluminescent Backlit Supertwist LCD
Display area R.S. LCD: 9.24" W x 4.2" H; 10" diagonal
Display area EL backlit LCD: 9"W x 4.2"H; 9.75" diagonal
Resolution: 640W x 200H
Viewing angle: -15 to 40 degrees
Contrast: Reflective supertwist display 5 : 1
3.5" 20MB Hard Disk Drive (T1200H/HB)
JVC HDD: JD-3244LOT1
Number of heads: 4
Number of cylinders: 615
Average access time: 68ms
Recording method: 2-7 RLL
Interleave: 3:1
Battery Life (Time until low battery LED)
Tests w/ 10% FDD access, 20% HDD access, Temperature 25 degrees C
T1200F/T1200H | HDD | FDD | MODEM | Running Time
---------------------------------------------------------
Off | ---- | ---- | ----- | ~2 months *1
Off | ---- | ---- | ----- | ~10 days *2
Off | ---- | ---- | ----- | ~ 2 days *3
On | Off | Off | NI | 7.5 Hours
On | Off | On | NI | 6 Hours
On | On | On | NI | 2 Hours
On | Off | Off | Off | 6.2 Hours
On | Off | On | Off | 5.7 Hours
On | On | On | Off | 1.9 Hours
On | Off | On | On | 4.4 Hours
On | On | On | On | 1.7 Hours
T1200FB/T1200HB | HDD | FDD | MODEM |Running Time
Off | ---- | ---- | ---- | ~2 months *1
Off | ---- | ---- | ---- | ~10 days *2
Off | ---- | ---- | ---- | ~2 days *3
On | Off | Off | NI | 2.8 Hours
On | Off | On | NI | 2.6 Hours
On | On | On | NI | 1.4 Hours
On | Off | Off | Off | 2.6 Hours
On | Off | On | Off | 2.6 Hours
On | On | On | Off | 1.3 Hours
On | Off | On | On | 2.3 Hours
On | On | On | On | 1.2 Hours
"NI" means not installed Notes:
"~" - Approximately
*1 - Calendar/Clock battery maintaining time
*2 - Main Memory & EMS Memory maintaining
time w/fully charged main battery
*3 - Main Memory & EMS Memory maintaining
time using backup battery only
Soft Switches
1) Change CPU speed
Fn + PgUp 9.54MHz CPU speed
Fn + PgDn 4.77MHz CPU speed
2) Character font
Fn + Right arrow Toggles display font
3) Display select
Fn + End External display
Fn + Home LCD display
4) Pop-up window
Fn + Sys Req Toggles pop-up window
5) Keypad overlay
Fn + NumLock Toggles keypad overlay
6) Fn key
Fn + F1 F11
Fn + F2 F12
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
Hardware Switches and Controls
1) Power on/off
- Located on back of computer
2) Reset
- Located on left side of computer
3) A/B/DIS switch
- Located on left side of computer
- With switch set to "A", external FDD is accessed as drive A;
internal 3.5" FDD as drive B.
- If computer has two internal floppy drives (T1200F, T1200FB)
the bottom drive is disabled.
- With switch set to "B", external FDD is accessed as drive B;
internal 3.5" FDD as drive A.
- If computer has two internal floppy drives (T1200F, T1200FB) the
bottom drive is disabled.
- If no external drives are being used switch should be set to DIS.
- Computer must be re-booted for switch change to take effect.
4) LCD contrast dial
- Located on left side of computer
5) LCD brightness dial - on T1200FB and T1200HB; or models upgraded to
backlit screen
- Located on front of display
6) HDD on/off switch - on T1200H and T1200HB only
- Located on back of computer next to power switch
Options and Extra Accessories
--------------------------------------------------------------------------
PC-PA7139U 1MB LIM-EMS 3.2 memory card (Toshiba expansion slot)
PC-PA7225U 5.25" 360KB external FDD with 18VDC adapter
PC-PA7310U Expansion chassis & cable (requires expansion interface card)
PC-PA7312ER Expansion interface card (Toshiba expansion slot)
PC-PA7354E 17-key numeric keypad
PC-PA7367E Floppy Link to 5.25" desktop diskette drive
PC-PA7438EB 300/1200 bps Hayes compatible Toshiba exp. slot modem
(no longer manufactured)
PC5-PA7439E T1200 300/1200 bps Hayes compatible dedicated built-in modem
(no longer manufactured)
PC-T24A 2400 bps Hayes compatible Toshiba exp. slot modem w/serial
port (no longer manufactured)
PC-T24C 2400 bps Hayes compatible dedicated built-in modem
(no longer manufactured)
PC-T24D 2400 bps Hayes compatible dedicated built-in modem
(Bell or CCITT)
PC-T24D/X 2400 bps Hayes compatible dedicated built-in modem
w/enhanced protocol (MNP5, V.42 bis)
PC5-PA7485U 12VDC Universal AC adapter (no longer manufactured)
PC-PA7487U 12VDC 2.5A Universal AC adapter (replaces PC5-PA7485U)
PC5-PA7490U Battery pack recharger (requires AC adapter)
PC5-PA7491U Battery pack
PC-PA748L 12VDC automobile power adapter (no longer manufactured)
PC-PA7486U 12VDC automobile power adapter (replaces PC-PA748L)
PC-PA5462U ToshibaLAN 8/16 bit Ethernet card & AC power adapter
(no longer manufactured)
PC5-PA759L Fabric carrying case (no longer manufactured)
PC15-PA8020U Fabric carrying case (replaces PC5-PA759L)
PR-PA2750U ExpressWriter 201 portable printer
PC-SW008 Toshiba MS-DOS 3.30 (includes diskettes and manual)
PC-SW007 Toshiba MS-DOS 4.01 (includes diskettes and manuals)
PC-SW004 Toshiba BASIC 3.30 (includes diskette and manual)
PC5-PA7174U Backlit upgrade (no longer manufactured)
Contact ASP 20MB hard drive upgrade for T1200F/FB (Installed by
Toshiba Authorized Service Providers)
System Memory Map
Start Address Space
Decimal Hex (Kilobytes) Used For:
-------------------------------------------------------
0 00000
64K 10000
128K 20000
192K 30000
256K 40000 System working
320K 50000 640 memory
384K 60000
448K 70000
512K 80000
576K 90000
-------------------------------------------------------
640K A0000
704K B0000 96 (Not Used)
-------------------------------------------------------
736K B8000 16 Video RAM
-------------------------------------------------------
752K BC000 32 (Not Used)
-------------------------------------------------------
768K C0000
832K D0000 192 Space for I/Os on I/O
896K E0000 expansion slot
-------------------------------------------------------
960K F0000 2 Back-Up RAM
-------------------------------------------------------
962K F0800 30 (Not Used)
-------------------------------------------------------
992K F8000 32 System (BIOS) ROM
-------------------------------------------------------
Interrupts
Level Assigned To:
------------------------------------------------------
NMI Power Supply; I/O Channel Check; 8087 Interrupt
0 Timer
1 Keyboard
2 (Reserved)
3 Secondary Communications (COM2)
4 Primary Communications (COM1)
5 Hard Disk
6 FDD
7 Parallel Printer
I/O Port Assignment
Port Address
From / To Device / Function
-------------------------------------------------------
'000' / '01F' 82C37 : DMAC Device
'020' / '03F' 82C59 : PIC Device
'040' / '05F' 82C53 : PIT Device
'060' / '07F' Programmable I/O Ports
'080' / '09F' DMA Page Register
'0A0' / '0BF' NMI Mask Register
'0E0' / '0FF' Special Register
'1F0' / '1FF' Hard Disk
'208' / '20F' Expanded Memory Unit I/O - 1
'218' / '21F' Expanded Memory Unit I/O - 2
'258' / '25F' Expanded Memory Unit I/O - 3
'268' / '26F' Expanded Memory Unit I/O - 4
'2A8' / '2AF' Expanded Memory Unit I/O - 5
'2B8' / '2BF' Expanded Memory Unit I/O - 6
'2C0' / '2DF' Real Time Clock
'2E8' / '2EF' Expanded Memory Unit I/O - 7
'2F8' / '2FF' Secondary Communications (COM2)
'378' / '37F' Parallel Printer
'3D0' / '3DF' Display
'3F0' / '3F7' FDC
'3F8' / '3FF' Primary communications (COM1)