JOHN COFFMAN
UNITED STATES OF AMERICA • + Follow
Components
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N80C188-25 CPU chip PLCC68 |
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GAL22V10 or ATF22V10 |
x 2 | |
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WD37C65BJM plcc44 |
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NEC 82C55-2 |
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71055-8 or faster plcc44 |
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TL16C450 |
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-550A |
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-550C |
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or -750 plcc44 |
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Alliance AS6C4008-55PCN SRAM |
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3x2 pin array (added on 3.2 board) |
x 1 |
Description
RetroBrew SBC-188 version 3.1 (80C188 single board computer)
The RetroBrew Computers group kicked around the idea of a computer based on the Intel 80C188 chip, a chip far more capable than the 8088. The result was the successful SBC-188, versions 1 & 2. Limitation to 100mm x 160mm ECB form factor kept memory at 512Kb. The revision 3 board now has 1Mb (640K for DOS) and an IDE connection through an 82C55 interface. All of this is supported by the BIOS. Major component requirements listed above. The board is now updated from version 3.1 to version 3.2 by addition of some convenience jumpers.
More photos and the complete Bill of Materials is at the RetroBrew Computers wiki.
Details, see: https://www.retrobrewcomputers.org/doku.php?id=boards:sbc:sbc-188:start
Schematic and Layout
https://www.retrobrewcomputers.org/doku.php?id=boards:sbc:sbc-188:start
Jan 26,2020
3,785 views
RetroBrew SBC-188 version 3.1 (80C188 single board computer)
4 Layers PCB 100 x 160 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen
Intel 80C188 based computer on a 4" x 6" board. This SBC-188v3.1 board has been superseded by the v3.2 board. See 'SBC-188v3.2'
3785
8
0
Published: Jan 26,2020
PCBWay Donate 10% cost To Author
Under the
Attribution-NonCommercial-ShareAlike (CC BY-NC-SA)
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