{"id":22960,"date":"2025-12-06T11:14:11","date_gmt":"2025-12-06T16:14:11","guid":{"rendered":"https:\/\/carleton.ca\/scs\/?page_id=22960"},"modified":"2026-01-09T21:04:02","modified_gmt":"2026-01-10T02:04:02","slug":"vin179","status":"publish","type":"page","link":"https:\/\/carleton.ca\/scs\/vintage-computing\/item\/vin179\/","title":{"rendered":"Raven 386-25 PC"},"content":{"rendered":"<h2>Raven 386-25 PC<\/h2>\n<p>[Vin179]<\/p>\n<p><a href=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/B_Logo_V-RGBRedBlackonLight150_130821.png\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-20435 alignright\" src=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/B_Logo_V-RGBRedBlackonLight150_130821-160x142.png\" alt=\"Carleton U Logo\" width=\"160\" height=\"142\" srcset=\"https:\/\/carleton.ca\/scs\/wp-content\/uploads\/B_Logo_V-RGBRedBlackonLight150_130821-160x142.png 160w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/B_Logo_V-RGBRedBlackonLight150_130821-240x213.png 240w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/B_Logo_V-RGBRedBlackonLight150_130821-400x355.png 400w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/B_Logo_V-RGBRedBlackonLight150_130821-768x682.png 768w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/B_Logo_V-RGBRedBlackonLight150_130821-1536x1363.png 1536w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/B_Logo_V-RGBRedBlackonLight150_130821-2048x1818.png 2048w, https:\/\/carleton.ca\/scs\/wp-content\/uploads\/B_Logo_V-RGBRedBlackonLight150_130821-360x320.png 360w\" sizes=\"(max-width: 160px) 100vw, 160px\" \/><\/a>The Raven desktop computer was a Carleton University branded PC clone from the 1980&#8217;s to 2000&#8217;s. They offered quality components and similar specs comparable to the original IBM computers. Purchasing components and assembling the computers onsite was a cost effective way to deploy computers at the university. The Raven 80386DX had a Ctrl+Alt+Ins ROM monitor for diagnostics and 386-era troubleshooting and OS transitions from MS-DOS to Windows\/386.<\/p>\n<ul>\n<li><strong>Manufacturer<\/strong>: Assembled at Carleton University<\/li>\n<li><strong>Type<\/strong>: Desktop computer<\/li>\n<li><strong>Release Date<\/strong>: 1992<\/li>\n<li><strong>Cost at release<\/strong>: ~$5,000 (adjusted for inflation)<\/li>\n<li><strong>MIPS<\/strong>: ~7<\/li>\n<\/ul>\n<h3>Hardware Specifications<\/h3>\n<ul>\n<li class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>CPU<\/strong>: Intel 80386DX at 20\/25 MHz (configurable).\u200b<\/li>\n<li class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>Memory<\/strong>: Standard 1-2 MB onboard DRAM (removable); maximum 20-32 MB via 8 sockets (2 banks of 4).\u200b<\/li>\n<li class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>Cache<\/strong>: 32-64 KB secondary cache (e.g., proto-COAST module on some boards).\u200b<\/li>\n<li class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>Expansion<\/strong>: Multiple ISA slots for peripherals; typical AT-compatible bus.\u200b<\/li>\n<li class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>Storage<\/strong>: Supported 3.5&#8243;\/5.25&#8243; floppy drives and IDE\/ATAPI hard drives (configuration-dependent).\u200b<\/li>\n<li class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>Video\/Ports<\/strong>: Integrated or VGA-compatible options; serial, parallel, and keyboard ports standard.\u200b<\/li>\n<li class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>Power<\/strong>: Custom AT-style connector; full AT desktop form factor.\u200b<\/li>\n<li class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>Weight<\/strong>: ~12-15 kg<\/li>\n<\/ul>\n<h3><span class=\"TextRun SCXW136206418 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW136206418 BCX0\">Operating System &amp; Programming Languages<\/span><\/span><span class=\"EOP SCXW136206418 BCX0\" data-ccp-props=\"{&quot;335559685&quot;:0}\">\u00a0<\/span><\/h3>\n<ul>\n<li class=\"my-0\"><strong>Operating System<\/strong>: MS-DOS (versions like 3.3 to 6.22), Windows 386\/3.1<\/li>\n<li><strong>Supported Languages<\/strong>:\n<ul>\n<li>Compiled Languages: C\/C++, Pascal, Fortran, COBOL, BASIC (e.g., Microsoft QuickBASIC, PowerBASIC), leveraging MS-DOS compilers and 386 optimizations.\u200b<\/li>\n<li>Interpreted Languages: GW-BASIC, batch scripting; later Python via ports or emulators.\u200b<\/li>\n<li>Assembly: 80386 assembly with tools like MASM or TASM for low-level development.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>Notables<\/h3>\n<ul>\n<li>The &#8216;Raven&#8217; brand computer was a Carleton University branded computer. It was a PC clone assembled at the university and configured to faculty or staff requirements.<\/li>\n<li class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">First Intel x86 CPU with full 32-bit internal\/external architecture (275,000 transistors, 1.5 \u00b5m process), enabling 4 GB physical\/64 TB virtual addressing.\u200b<\/li>\n<li class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Introduced protected mode multitasking, paging MMU, and 3-stage pipeline for 7 MIPS at 25 MHz (vs. 4-5 MIPS at 20 MHz).\u200b<\/li>\n<li class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Supported on-chip debugging, coprocessor interface (i387), and pipelined bus at 25 MHz\/5V<\/li>\n<\/ul>\n<p><strong>Donated by<\/strong>: Carleton University ITS (formerly CCS)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Raven 386-25 PC [Vin179] The Raven desktop computer was a Carleton University branded PC clone from the 1980&#8217;s to 2000&#8217;s. They offered quality components and similar specs comparable to the original IBM computers. Purchasing components and assembling the computers onsite was a cost effective way to deploy computers at the university. The Raven 80386DX had [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":19704,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","_mi_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Raven 386-25 PC - School of Computer Science<\/title>\n<meta name=\"description\" content=\"Raven 386-25 PC The Raven desktop computer was a Carleton University branded PC clone from the 1980&#039;s to 2000&#039;s. 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