Olympia Disque with IKBS » History » Version 1
laforge, 09/28/2022 05:43 PM
| 1 | 1 | laforge | h1. Olympia Disque with IKBS |
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| 3 | The *Olympia Disque* is an electronic daisywheel typwriter with single-line alphanumeric display, battery-buffered RAM and a proprietary 2" floppy disk drive. |
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| 5 | It was possible to enable the Olympia Disque for Teletex, either with an internal add-on-board (IKBS) or with an external device. |
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| 7 | h2. Hardware |
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| 8 | |||
| 9 | h3. Mainboard |
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| 11 | The mainboard hosts |
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| 12 | |||
| 13 | * 1x NEC D8085AHC CPU (socketed) |
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| 14 | * 4x TI TMS2764JL-35 EPROMs (IS1..IS4) |
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| 15 | * 1x Fujitsu MBM27128-30 EEPROM (IS54 via daughterboard 73.410-4066.1) |
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| 16 | * 5x HM6116LP-3 RAM (onboard) |
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| 17 | * 4x HM6116P-3 RAM (socketed) |
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| 18 | * 1x NEC D8253C-2 programmable timer IC (socketed) |
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| 19 | * 2x NEC D8255AC-5 programmable peripheral IC |
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| 20 | ** towards connector leading to daughterboard 73.200-4045.1/02L / 73.410-4044.2/00 |
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| 21 | ** towards connector X5 |
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| 22 | * various logic ICs (SN74LS245N, SN74LS02N, SN74LS393N, SN74LS04N, SN74LS138, TC40H032P, TC40HC002P |
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| 23 | * Panasonic Lithium Battery BR-2/3A 3V |
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| 27 | h3. Left daughterboard (67.650-3242-2) |
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| 28 | |||
| 29 | * 1x Mostek MK3870/42 MCU (socketed) |
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| 30 | * 1x TMS2516JL-45 16k EPROM 2048x8 (socketed) attachment:TMS3516-45JL.pdf |
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| 31 | * 2x 74LS259PC |
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| 32 | * 1x 74LS373PC |
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| 33 | * 1x ULN2003AN |
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| 34 | * 1x LM339N |
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| 35 | * 2x SN7404N |
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| 36 | * 1x T74LS00BI |
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| 37 | * 16x TIP112 |
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| 38 | * 2x TIP125 |
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| 39 | * 1x TIP127 |
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| 41 | h3. Right daughterboard (73.200-4045.1/02L / 73.410-4044.2/00) |
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| 43 | * 4x NEC D2732D 32k (4096 x 8) EPROM (socketed) attachment:D2732D.pdf |
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| 44 | * 1x SN74LS373N |
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| 45 | * 1x 8-way dip switch (all on in my unit) |
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| 46 | * 1x unknown DIL28 IC (label on top turns marking unreadable) |
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| 48 | |||
| 49 | h3. IKBS board |
