General Information
Model number: T5100 40MB - PA8040U
T5100 100MB - PA8041U
Dimensions: 12.2" W x 14.2" D x 3.6"H
Weight: 14.6 lbs.
Voltage: 115VAC , 1.0A/220 - 240VAC, 0.7A auto sensing
Frequency: 50/60Hz auto sensing
CPU: 80386-16 (16/8MHz); 80387-16 coprocessor socket
RAM memory: 2MB standard (640K Conventional; 1.384MB
LIM-EMS 3.2 or extended memory)
Memory expandable to 4MB when optional 2MB memory card
added
Number of keys: 82
Keyboard type: Selectable between 84 or 101-key keyboard compatible
Drives: One 1.44 MB 3.5" floppy disk drive
One 40 MB or one 100MB hard disk drive
Operating system: Toshiba MS-DOS 3.30 shipped with early models
Toshiba MS-DOS 4.01 shipped with later models
Software Compatibility
Compatible with software written for the IBM PC/XT/AT using EGA, CGA,
or T3100/AT&T 6300 640 x 400 high resolution graphics mode
Interfaces
RGB Color Video port (EGA or CGA)
RS-232-C serial port
Parallel printer/external diskette or tape drive port
101-key enhanced keyboard port
Toshiba proprietary memory slot
Toshiba proprietary expansion slot - "A" form factor
Display
Display type: Orange gas plasma
Display area: 7.5"W x 5.7"H; 9.5" diagonal
Resolution: 640 x 400
Gray scales: 4
Contrast: 10 : 1
3.5" 40MB Hard Disk Drive
Conner Peripherals HDD: CP-342
Interface: IDE
Average access time: 29 ms
Recording method: 2-7 RLL
TEST3 setup type: 6
or
Conner Peripherals HDD: CP-3044
Interface: IDE
Average access time: 25ms
Recording method: 2-7 RLL
TEST3 setup type: 7
3.5" 100MB Hard Disk Drive
Conner Peripherals HDD: CP-3104
Interface: IDE
Average access time: 25ms
Recording method: 2 - 7 RLL
TEST3 setup type: 9
Soft Switches
1) Change CPU speed
Fn + PgUp 16MHz CPU speed
Fn + PgDn 8MHz CPU speed
2) Character font
Fn + Right arrow Toggles display font
3) Display select
Fn + End External display
Fn + Home Plasma display
4) Extending the display area
Fn + Down arrow Toggles between 350 and 400 rows in EGA mode
5) Keypad overlay
Fn + NumLock Toggles keyboard 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
Fn + power on Force T5100 to CMOS setup screen
Hardware Switches and Controls
1) Power on/off
Located on back of computer
2) A/B/PRT switch
Located on left side of computer
With switch set to "A", external FDD port is accessed as drive A;
internal 3.5" FDD as drive B.
With switch set to "B", external FDD port is accessed as drive B;
internal 3.5" FDD as drive A.
Switch is set to "PRT" for parallel printer output.
Computer must be re-booted for switch change to take effect.
3) Plasma display brightness and contrast dials
Located on front of display
4) 6 DIP switch bank
Located on back of computer
Factory default settings all down
SW1 OFF Expanded or Extended ON Expanded Memory Only
Memory enabled Disables Extended Memory
SW2 OFF 640K Base Memory ON 512K Base Memory
SW3 OFF Enable Internal video controller ON Disable Internal
video controller
SW4 OFF PRT Output Only ON PRT Bidirectional
SW5 OFF Normally off ON For use with ISC UNIX
SW6 OFF Serial Port COM 1 ON Serial Port COM 2
Options and Extra Accessories
PC7-PA8301U 2MB memory card
PC-PA7225U 5.25" 360KB external FDD with 18VDC adapter
PC-PA7310U Expansion chassis & cable (requires expansion
interface card)
PC-PA7313E Expansion interface card (Toshiba expansion slot)
PC-PA7367E Floppy Link to 5.25" desktop diskette drive
PC-PA7438EB 300/1200 bps Hayes compatible modem (no longer
manufactured)
PC-T24A 2400 bps Hayes compatible Toshiba expansion slot
modem w/serial port (no longer manufactured)
PC-PA722L TD80 external tape drive
PC-PA5462U Toshiba LAN 8/16 bit Ethernet card & AC power
adapter (no longer manufactured)
Contact ASP 100MB hard drive upgrade (Installed by Toshiba
Authorized Service Providers)
PC-PA8722E Leather carrying case (no longer manufactued)
PC-PA8721E Fabric carrying case (no longer manufactured)
PC-PA8020U Fabric carrying case (replaces PC-PA8721E)
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-SW013 Toshiba MS-DOS 5.0 (includes diskettes and manuals)
PC-SW004 Toshiba BASIC 3.30 (includes diskette and manual)
PC-SW012 Toshiba MS OS/2 operating system 1.21
System Memory Map
Space
Address range (Kilobytes) Used For:
-------------------------------------------------------
'000000' 640 System working
'09FFFF' memory
-------------------------------------------------------
'0A0000' 128 Video RAM
'0BFFFF'
-------------------------------------------------------
'0C0000' 32 AGS ROM
'C7FFF'
-------------------------------------------------------
'0C8000' 32 (Not used)
'CFFFF'
------------------------------------------------------
'0D0000' 64 EMS window
'0DFFFF'
------------------------------------------------------
'0E0000' 64 (Not used)
'0EFFFF'
------------------------------------------------------
'0F0000' 64 System BIOS ROM
'0FFFFF'
------------------------------------------------------
'100000' 1,024 System working memory
'1FFFFF'
------------------------------------------------------
'200000' 2,048 Optional memory card
'3FFFFF'
------------------------------------------------------
'400000' 12,160 Memory expansion in
'FDFFFF' expansion slot
------------------------------------------------------
'FE0000' 64 (Not used)
'FEFFFF'
------------------------------------------------------
'FF0000' 64 System BIOS ROM
'FFFFFF' (Duplicated)
Interrupts
Interrupt Level Assigned To:
---------------------------------------------------------------
NMI Memory Parity Error, I/O Channel Error
0 Timer
1 Keyboard
2 Interrupt Controller 2 for levels 8 - 15
1 3 Secondary Communications (COM 2)
4 Primary Communications (COM 1)
5 Printer 2
6 Floppy Disk
---------------------------------------------------------------
7 Printer 1
8 RTC
9 Software Redirect to INT '0A'
2 10 (Reserved)
11 (Reserved)
12 (Reserved)
13 Math Coprocessor
14 Hard Disk
15 (Reserved)
I/O Port Assignment
Port Address
From / To Device / Function
------------------------------------------------------------
'000' / '01F' 82C37A : DMA Controller 1
'020' / '03F' 82C59A : Interrupt Controller 1
'040' / '05F' 82C54 : Timer
'060' / '06F' 8742: Keyboard Controller
'070' / '07F' RTC & NMI
'080' / '09F' DMA Page Register
'0A0' / '0BF' 82C59A : PIC 2
'0C0' / '0DF' 82C37A : DMA Controller 2
'0E0' / '1EF' (Not Used)
'1F0' / '1F8' Hard Disk Controller
'200' / '207' Game I/O
'278' / '27F' Parallel Printer Port 2
'2F8' / '2FF' Serial Port 2
'300' / '31F' Prototype card
'360' / '36F' (Not used)
'378' / '37F' Parallel PRT 1
'3A0' / '3AF' SDLC, Bisynchronous 2
'3B0' / '3BF' Bisynchronous 1
'3C0' / '3CF' AGS or Monochrome display/printer
'3D0' / '3DF' AGS
'3F0' / '3F7' AGS or Color Graphics
'3F6' / '3F7' FDC/FDD Interface (with HDC)
'3F8' / '3FF'' Serial Port 1
'0208' LIM-EMS Page Control Register Set 0
'4208' LIM-EMS Page Control Register Set 0
'8208' LIM-EMS Page Control Register Set 0
'C208' LIM-EMS Page Control Register Set 0
'0218' LIM-EMS Page Control Register Set 1
'4218' LIM-EMS Page Control Register Set 1
'8218' LIM-EMS Page Control Register Set 1
'C218' LIM-EMS Page Control Register Set 1
'8060' / '806F' Keyboard Controller
'8080' / '808F' System Control Registers
