Tandy 1200 HD
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| Part number | 25-3000 |
|---|---|
| Branding | Tandy Corporation |
| Manufacturer | NMB |
| Layouts | 84 Key, NMB PC-84 |
| Keyswitches | Hi-Tek Series 725 |
| Interface | DIN 5-180 male connector. PC/XT |
| Discontinued | Yes |
The keyboard was produced by Tandy Corporation for use with the Tandy 1200 HD personal computer. It was introduced in 1984. <ref name="InfoWorld-15111984" /> The label on the rear cover indicates a model number of 25-3000 which is also the Tandy part number for the entire 1200 HD computer system. The keyboard is no longer in production.
OEM[edit | edit source]
This Tandy 1200 HD was manufactured for Tandy by Hi-Tek Corporation. It is a Tandy badged version of the Hi-Tek Series 725 first generation PC-84 keyboard.
Switches[edit | edit source]
The Tandy 1200 HD keyboard uses several variants of linear Hi-Tek Series 725 switches.
| VARIANTS | Position | Source |
|---|---|---|
| White one eye; White one eye(space bar) | All | Serial T030140 |
| White Gundam eye; Grey Gundam eye; Pale Grey Gundam eye | All | Serial 96146 |
| White Gundam eye | All | Ebay listing image |
| Grey Gundam eye; Pale Grey dot eye | Most | Serial H104575 |
Keycaps[edit | edit source]
The keycaps are made of PBT and the legends are dye sublimated . The keys are sculpted, i.e. each row has its own profile. For more information see Hi-Tek Series 725.
Layout[edit | edit source]
The layout consists of 84 keys and was modeled after the IBM XT layout. Differences from the XT layout include: horizontal 2U enter key, swapped left shift position, 2u numpad enter key and 1u numpad '+' key. Hi-Tek refers to this layout as PC-84
Gallery[edit | edit source]
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Top view
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Left front view
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Left rear view
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Elevation foot -
Bottom view
Variants[edit | edit source]
Serial 95146[edit | edit source]
Switches: Linear, one eye, charcoal grey, gundam (L1rChG)
Notes: Formed wire torsion springs to hold the elevation feet in place when extended.
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Keycaps removed
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Bottom
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Bottom cover reverse
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Bottom cover removed
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Switch assembly
Serial T030140[edit | edit source]
Switches: Linear, one eye, white (L1sW)
Notes: Metal leaf springs are used to hold the elevation feet in place when extended.
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Keycaps removed
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Bottom view
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Bottom cover reverse
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Bottom cover removed
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Switch assembly
Serial H104575[edit | edit source]
Switches: Linear, one eye, grey (L1sG)
Notes: Metal leaf springs are used to hold the elevation feet in place when extended.
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Keycaps Removed
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Bottom View
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Bottom cover reverse
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Bottom cover removed
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Switch assembly
See also[edit | edit source]
Hi-Tek Series 725 first generation
External links[edit | edit source]
References[edit | edit source]
<references> <ref name="InfoWorld-15111984">Google Books — InfoWorld magazine, October 15 1984 (Tandy's IBM PC clones, p. 21)</ref> </references>
