Ohio Scientific
![[ICO]](/icons/blank.gif){kind=icon} | Name | Last modified | Size | Description |
|---|---|---|---|---|
![[PARENTDIR]](/icons/back.gif){kind=icon} | Parent Directory | - | ||
![[ ]](/icons/layout.gif){kind=icon} | OSI590.pdf | 2004-07-18 23:00 | 1.7M | |
| OSI_8K_Basic_in_ROM.pdf | 2006-01-16 15:19 | 932K | |
| OSI_SSJ-V1N1-07_1977_001.pdf | 2009-10-14 12:03 | 1.5M | |
| OSI-SSJ-V1N2-08_1977_001.pdf | 2009-10-15 09:18 | 1.6M | |
| OSI_SSJ-V1N5-11-1977.pdf | 2009-10-15 09:26 | 1.0M | |
| OSI-SSJ-V1N6-12_1977_001.pdf | 2009-10-15 09:28 | 1.1M | |
| OSI_SSJ-v2n1_01_1978.pdf | 2009-10-15 09:33 | 1.0M | |
| OSI_SSJ-V2N2-Mar-Apr_1978.pdf | 2009-10-15 09:35 | 1.2M | |
| OSI-SSJ-jumbo.pdf | 2009-10-15 10:52 | 2.7M | |
| OSI-SSJ-V1N3-09_1977.pdf | 2009-10-15 14:41 | 1.7M | |
| OSI_420-C.pdf | 2010-04-19 12:27 | 1.7M | |
| OSI_430B.pdf | 2010-04-19 12:27 | 1.9M | |
| OSI_440_Video_Graphics.pdf | 2010-04-19 12:27 | 1.6M | |
| OSI Model 500 CPU Manual.pdf | 2010-10-05 23:28 | 2.0M | |
| OSI_630.pdf | 2010-11-20 12:43 | 265K | |
| OSI_610.pdf | 2010-11-23 14:30 | 414K | |
| OSI630.pdf | 2011-01-22 14:58 | 265K | |
| OSI600.pdf | 2011-01-22 15:02 | 2.6M | |
| OSI_500.pdf | 2011-10-10 21:26 | 2.0M | |
| OSI560Z.pdf | 2011-10-12 12:47 | 1.4M | |
| OSI_525.pdf | 2011-12-03 00:09 | 475K | |
| OSI_550.pdf | 2011-12-03 00:10 | 3.6M | |
| OSI Superboard II - Fixing ..> | 2011-12-03 06:16 | 2.7M | |
| OSI-555_board_images.pdf | 2011-12-17 08:30 | 1.0M | |
| OSI-555.pdf | 2011-12-17 08:30 | 4.0M | |
| OSI_spring_1978_catalog.pdf | 2012-04-16 04:52 | 3.6M | |
| OSI_brochure.pdf | 2012-04-16 05:06 | 4.0M | |
| OSI software list.pdf | 2012-04-18 10:17 | 11M | |
| OSI_SSJ_V1N4-10_1977.pdf | 2012-12-05 16:18 | 1.3M | |
| OSI ROM Basic Datasheet fro..> | 2012-12-07 12:01 | 1.1M | |
| OSI_appnote_1.pdf | 2012-12-10 10:10 | 84K | |
| OSI_appnote_2.pdf | 2012-12-10 10:10 | 1.1M | |
| OSI_appnote_3.pdf | 2012-12-10 10:10 | 726K | |
| OSI_appnote_4a.pdf | 2012-12-10 10:10 | 169K | |
| OSI_400.pdf | 2012-12-10 10:10 | 2.6M | |
| OSI_300.pdf | 2012-12-16 08:26 | 4.0M | |
| OSI 1976 Winter Catalog.pdf | 2013-03-12 03:16 | 3.3M | |
| OSI May 1976 Catalog.pdf | 2013-03-12 03:16 | 1.5M | |
| OSI400.pdf | 2013-06-28 00:08 | 129K | |
| OSI420C.pdf | 2013-06-28 00:08 | 89K | |
| OSI420C-Manual.pdf | 2013-06-28 00:08 | 421K | |
| OSI430B.pdf | 2013-06-28 00:08 | 201K | |
| OSI430B-Manual.pdf | 2013-06-28 00:08 | 1.9M | |
| OSI440B.pdf | 2013-06-28 00:08 | 582K | |
| OSI440B-Manual.pdf | 2013-06-28 00:08 | 1.6M | |
| OSI450B.pdf | 2013-06-28 00:08 | 190K | |
| OSI470.pdf | 2013-06-28 00:08 | 806K | |
| OSI470-lpt.pdf | 2013-06-28 00:08 | 611K | |
| OSI480-Manual.pdf | 2013-06-28 00:08 | 1.1M | |
| OSI500.pdf | 2013-06-28 00:08 | 352K | |
| OSI502.pdf | 2013-06-28 00:09 | 439K | |
| OSI505B.pdf | 2013-06-28 00:09 | 1.3M | |
| OSI510.pdf | 2013-06-28 00:09 | 769K | |
| OSI520.pdf | 2013-06-28 00:09 | 306K | |
| OSI527.pdf | 2013-06-28 00:09 | 232K | |
| OSI540A.pdf | 2013-06-28 00:09 | 1.2M | |
| OSI540B.pdf | 2013-06-28 00:09 | 339K | |
| OSI542B.pdf | 2013-06-28 00:09 | 128K | |
| OSI555.pdf | 2013-06-28 00:09 | 800K | |
| OSI570.pdf | 2013-06-28 00:09 | 1.3M | |
| OSI572.pdf | 2013-06-28 00:09 | 3.2M | |
| OSI573.pdf | 2013-06-28 00:09 | 378K | |
| OSI574.pdf | 2013-06-28 00:09 | 3.0M | |
| OSI574-chips.pdf | 2013-06-28 00:10 | 904K | |
| OSI574-Manual.pdf | 2013-06-28 00:10 | 2.0M | |
| OSI575-Manual.pdf | 2013-06-28 00:10 | 5.0M | |
| OSI610.pdf | 2013-06-28 00:10 | 235K | |
| OSI620.pdf | 2013-06-28 00:10 | 1.4M | |
| OSI_541.pdf | 2014-04-15 12:02 | 817K | |
| OSI_500_General_Purpose_Man..> | 2014-05-31 13:13 | 1.6M | |
| OSI_ComprehensiveInformatio..> | 2015-03-06 04:16 | 23M | |
| OSI-512.pdf | 2016-02-18 04:50 | 70K | |
| OSI-510-revc.pdf | 2016-02-18 04:50 | 587K | |
| OSI-470-centronics.pdf | 2016-02-18 04:50 | 826K | |
| OSI-A13.pdf | 2016-02-18 04:51 | 101K | |
| OSI-A15.pdf | 2016-02-18 04:51 | 67K | |
| OSI-520-revc.pdf | 2016-02-19 10:37 | 208K | |
| OSI-522.pdf | 2016-02-19 10:37 | 151K | |
| OSI-535.pdf | 2016-02-19 10:37 | 175K | |
| OSI-542-revc.pdf | 2016-02-19 10:37 | 132K | |
| OSI510C.pdf | 2016-02-20 03:36 | 587K | |
| OSI505A.pdf | 2016-02-20 03:36 | 382K | |
| OSI512.pdf | 2016-02-20 03:36 | 70K | |
| OSIA-13.pdf | 2016-02-20 03:36 | 101K | |
| OSIA-15.pdf | 2016-02-20 03:36 | 67K | |
| OSI470ALL.pdf | 2016-02-20 03:37 | 826K | |
| OSI542C.pdf | 2016-02-20 03:37 | 132K | |
| OSI535.pdf | 2016-02-20 03:37 | 175K | |
| OSI522.pdf | 2016-02-20 03:37 | 151K | |
| OSI520C.pdf | 2016-02-20 03:37 | 208K | |
| OSI-592.pdf | 2016-02-20 06:12 | 173K | |
| OSI-596-revb.pdf | 2016-02-20 06:26 | 87K | |
| OSI596B.pdf | 2016-02-20 12:19 | 87K | |
| OSI592.pdf | 2016-02-20 12:19 | 173K | |
| OSI-540B.pdf | 2016-09-19 03:40 | 1.0M | |
| OSI-573_manual.pdf | 2017-04-02 14:49 | 12M | |
| OSIChess.pdf | 2017-04-29 11:59 | 3.6M | |
| OSI-1980.pdf | 2017-11-16 09:29 | 1.0M | |
| OSI-574-CA22.pdf | 2017-12-04 13:40 | 4.7M | |
| OSI541.pdf | 2018-06-03 04:18 | 251K | |
| OSI541Layout.pdf | 2018-06-03 04:18 | 78K | |
| OSI525.pdf | 2018-06-03 04:28 | 475K | |
| OSI510CSams.pdf | 2019-01-31 05:20 | 13M | |
| OSI541info.pdf | 2019-01-31 12:28 | 817K | |
| OSI550.pdf | 2019-01-31 12:34 | 3.6M | |
| OSI560Zfull.pdf | 2019-01-31 13:18 | 1.4M | |
| OSI590-592-594.pdf | 2019-09-12 02:02 | 15M | |
| OSI UK Newsletter V1N1.pdf | 2020-01-29 00:29 | 15M | |
| OSI UK Newsletter V1N2.pdf | 2020-01-29 00:30 | 17M | |
| OSI UK Newsletter V1N4.pdf | 2020-01-29 00:33 | 26M | |
| OSI UK Newsletter V2N1.pdf | 2020-01-29 00:34 | 20M | |
| OSI UK Newsletter V2N2.pdf | 2020-01-29 00:35 | 23M | |
| OSI UK Newsletter V2N3.pdf | 2020-01-29 00:37 | 25M | |
| OSI UK Newsletter V2N4.pdf | 2020-01-29 00:38 | 18M | |
| OSI UK Newsletter V2N5.pdf | 2020-01-29 00:39 | 28M | |
| OSI UK Newsletter V2N6.pdf | 2020-01-29 00:40 | 25M | |
| OSI UK Newsletter V1N3.pdf | 2020-01-29 01:19 | 24M | |
| OSI530C.pdf | 2021-06-05 12:07 | 1.5M | |
| OSI MODEL 400 MANUAL.pdf | 2021-07-09 23:26 | 2.6M | |
| OSI-300 Manual.pdf | 2021-07-09 23:36 | 4.0M | |