Grid GridCase

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Grid GridCase
GRiDCASE 1537EXP laptop (1).jpg
GridCase 1537EXP
Also known asGRiD Case, GRiDCASE;
Portable Sagem (France only)[1][2]
DeveloperGrid Systems Corporation (1985-1988)
Tandy/GRiD Computer Systems (1988-1990)
GRiD Defence Systems (1995-current)
TypeLaptop/Tablet PC
Release date1985; 37 years ago (1985)
PredecessorGrid Compass II
Websitehttps://www.griduk.com/products/

GridCase (stylized as GRiDCASE) is a line of rugged tablets and laptops by Grid Systems Corporation released as successor of GRiD Compass line.

History[]

The first model was released in 1985.

The notable model - GRiDCASE 1535EXP - is a rugged laptop designed for NASA to be used in space, and becomes the first rugged portable PC to attain full TEMPEST accreditation from the NSA.[3]

GRiDCASE models
1980's 1990's 2000's 2010's 2020's
1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Laptops
Regular rugged 2 3 1520 1530 1550 1580 N/A
Fully rugged Subnotebook N/A 1510
Regular size N/A Tempest N/A 1535;
1537 		1580T (Tempest) 1580 XGA 1590[3] 1513;

1590

Desktop replacement N/A 1595
Other
Fully rugged Tablets N/A
Rackmount PC's N/A 9161U

Models[]

Former line[]

GRiDCASE 2[4][]

1985; low-contrast LCD screen with green background (instead of orange/yellow plasma screen with black background on a Compass laptops).

This model was based on a MSDOS 2.11 and a bunch of apps burned on ROM that fit in the ROM tray in front.

GRiDCASE 3 with red plasma screen

GRiDCASE 3[]

1986; returning to a plasma screens (but with red/orange text color and wide aspect ratio). The internal power supply can be ejected and a battery-pack is installed in its place.[5]

3D view:http://vintage-laptops.com/en/grid-case-3

GRiDCASE 3 Tempest[]

1986; the rugged version of GRiDCASE 3 with electromagnetic protection.

3D view:http://vintage-laptops.com/en/grid-case-tempest

GRiDCASE 1520[]

1988; can be equipped with plasma or LCD screen.

Was based on a 286 CPU.

3D view:http://vintage-laptops.com/en/grid-case-1520

GRiDCASE 1530[6][]

GridCase 153#EXP
GRiD GRiDCASE 1530.jpg
GridCase 1530 series laptop
CPUIntel 80386 (Intel 80387 optional)
ConnectivityDIN-5 Keyboard, Phone line, RS-232, Parallel, External peripheral, Video, Power 16 V DC[7]

The modification of 1530 - the Grid GRiDCASE 1535EXP is a rugged laptop with a 80386 CPU, an optional 80387 floating point processor and up to 8 Mbyte of DRAM. It was first flown into space in December 1992 on the STS-53 for use of the HERCULES geolocation device.

The another modification - the Grid GRiDCASE 1537EXP - has another screen (640x480 instead of 640x400, but with less physical size).

The power input is 100-240 V AC 50/60/400 Hz, 80 W. The 400 Hz utility frequency is common on airplanes and submarines.

3D view:http://vintage-laptops.com/en/grid-case-1537e

GRiDCASE 1550[]

1990;[6] This model has integrated pointing device,[6] an was based on a Intel 80386sx processor.

The 1550sx wersion has 4M RAM, have a 100 M hard disk, a 1.44 M floppy drive, a hardly visible B/W VGA-LCD screen, a built in 2400 bps modem and weights 5.5 Kg (12 lbs.) without battery or power supply.[8]

3D view:http://vintage-laptops.com/en/grid-case-1550sx

Tandy GRiD laptops[]

Main article:

In the period from 1990-1994, the Tandy Corp. together with the GRiD Systems Corp.produced the following models:

GRiD 1450SX -3D view:http://vintage-laptops.com/en/grid-1450sx

GRiD 1810 -3D view:http://vintage-laptops.com/en/grid-1810

GRiD 1660 and 1660C -3D view:http://vintage-laptops.com/en/grid-1660

GRiD 1680 and 1680C -3D view:http://vintage-laptops.com/en/grid-1680

GRiD 1720, 1750, 1755 -3D view:http://vintage-laptops.com/en/grid-1755

GRiD 4025N and 4025NC -3D view:http://vintage-laptops.com/en/grid-4025nc

GRiD Defence Systems GRiDCASE[]

Reintroduced in 1995 line.

GRiDCASE 1580[]

Also have Tempest version (1580T).

Pentium and pointing stick (initial model, 1995) or Pentium II and touchpad (1580 XGA, 1998).

3D view:http://vintage-laptops.com/en/grid-case-1580

3D view:http://vintage-laptops.com/en/grid-case-1580-tempest

3D view:https://vintage-laptops.com/en/grid-case-1580-XGA

GRiDCASE 1590[]

GRiDCASE 1510[]

See also[]

Preceded by
GRiD Compass
 GRiDCASE
1985 - 1990, 1995-current

References[]

  1. ^ "OLD-COMPUTERS.COM : The Museum". www.old-computers.com. Retrieved 2021-09-15.
  2. ^ "MO5.COM : Musée des Machines : Ordinateur portable : Le Sagem MTP 32". mo5.com. Retrieved 2021-09-15.
  3. ^ a b "Company History". GRiD Defence Systems. Retrieved 2021-07-30.
  4. ^ "DigiBarn Systems: GRiDcase 2". www.digibarn.com. Retrieved 2021-09-14.
  5. ^ "GRiD Compass 1101 computer".
  6. ^ a b c "Grid 1550 and 1530". staff.salisbury.edu. Retrieved 2021-07-30.
  7. ^ "DAVES OLD COMPUTERS - PC compatibles". 090519 classiccmp.org
  8. ^ "Rune's PC-Museum". pc-museum.com. Retrieved 2021-09-14.


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