{"id":160,"date":"2022-07-04T15:04:28","date_gmt":"2022-07-04T15:04:28","guid":{"rendered":"https:\/\/lavalink.com\/lavaports\/?post_type=product&p=160"},"modified":"2025-07-04T20:47:59","modified_gmt":"2025-07-04T20:47:59","slug":"2sp-550-isa-2-port-rs-232-1-port-bi-dir","status":"publish","type":"product","link":"https:\/\/lavalink.com\/lavaports\/product\/2sp-550-isa-2-port-rs-232-1-port-bi-dir\/","title":{"rendered":"2SP-550 (ISA 2 port RS-232\/1 port bi-dir)"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"

Running out of ISA slots? Looking for a great combo card for a point-of-sale system? The 2SP-ISA has been one of Lava\u2019s most popular products and it is still going strong.<\/p>\n

One 2SP-ISA doubles your serial ports and adds a bi-directional parallel port in a system short on ISA slots. In addition to solving ISA real estate shortage, the board is ideal for systems where manual setting of IRQ and COM addresses is a must. The 2SP-PCI offers a generous selection of IRQ, COM, and LPT settings, to minimize the possibility of conflicts in resource allocation.The 2SP-ISA is ideal for any serial and parallel peripheral.<\/p>\n","protected":false},"featured_media":161,"template":"","meta":[],"product_brand":[],"product_cat":[34,31],"product_tag":[],"class_list":{"0":"post-160","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-combo-isa-cards","7":"product_cat-isa-bus-i-o-cards","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"\nISA Bus 16550 & Parallel Bi-directional Board - LAVA Ports<\/title>\n<meta name=\"description\" content=\"Running out of ISA slots? Looking for a great serial-parallel combo card for a point-of-sale system? The 2SP-ISA has been a popular LAVA product.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lavalink.com\/lavaports\/product\/2sp-550-isa-2-port-rs-232-1-port-bi-dir\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ISA Bus 16550 & Parallel Bi-directional Board - LAVA Ports\" \/>\n<meta property=\"og:description\" content=\"Running out of ISA slots? Looking for a great serial-parallel combo card for a point-of-sale system? The 2SP-ISA has been a popular LAVA product.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lavalink.com\/lavaports\/product\/2sp-550-isa-2-port-rs-232-1-port-bi-dir\/\" \/>\n<meta property=\"og:site_name\" content=\"LAVA Ports\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-04T20:47:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lavalink.com\/lavaports\/wp-content\/uploads\/sites\/6\/2022\/07\/2SP-550-ISA-2-port-RS-232_1-port-bi-dir.png\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lavalink.com\/lavaports\/product\/2sp-550-isa-2-port-rs-232-1-port-bi-dir\/\",\"url\":\"https:\/\/lavalink.com\/lavaports\/product\/2sp-550-isa-2-port-rs-232-1-port-bi-dir\/\",\"name\":\"ISA Bus 16550 & Parallel Bi-directional Board - LAVA Ports\",\"isPartOf\":{\"@id\":\"https:\/\/lavalink.com\/lavaports\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/lavalink.com\/lavaports\/product\/2sp-550-isa-2-port-rs-232-1-port-bi-dir\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/lavalink.com\/lavaports\/product\/2sp-550-isa-2-port-rs-232-1-port-bi-dir\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/lavalink.com\/lavaports\/wp-content\/uploads\/sites\/6\/2022\/07\/2SP-550-ISA-2-port-RS-232_1-port-bi-dir.png\",\"datePublished\":\"2022-07-04T15:04:28+00:00\",\"dateModified\":\"2025-07-04T20:47:59+00:00\",\"description\":\"Running out of ISA slots? 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