{"product_id":"serdavision-hdmi","title":"SerdaVision HDMI (pre-order)","description":"\u003cp\u003e\u003cstrong\u003ePre-order - ships in 2-3 weeks.\u003c\/strong\u003e\u003cbr\u003eThe firmware can be updated over USB-C at any time.\u003c\/p\u003e\n\u003cp\u003eAn 8-bit ISA video card for IBM PC compatibles, from the 5150\/XT to Pentium-class machines. A Raspberry Pi RP2350 functions as the video chip: it emulates the original hardware in firmware and outputs HDMI. One firmware file supports thirteen video standards; the card runs as one at a time, selected from DOS or with an on-screen menu.\u003c\/p\u003e\n\u003ch3\u003eVideo standards supported :\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVGA\u003c\/li\u003e\n\u003cli\u003eEGA (256 KB)\u003c\/li\u003e\n\u003cli\u003eCGA, Hercules, MDA\u003c\/li\u003e\n\u003cli\u003eVGA-XT and EGA-XT for 8088\/V20 machines\u003c\/li\u003e\n\u003cli\u003eSVGA: VGA + VESA 1.2, up to 800x600x16 and 640x480x256, 320x200 hi-colour, optional ET4000 mode\u003c\/li\u003e\n\u003cli\u003eExperimental: Plantronics ColorPlus, Olivetti PC1 (V6355D), Tandy 1000\/PCjr, Hercules InColor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBus: ISA 8-bit, fits 8- and 16-bit slots, 4.77-8.33 MHz (12 MHz reported working)\u003c\/li\u003e\n\u003cli\u003eScreen memory: up to 1.9 MB\/s write and 1.5 MB\/s read with zero-wait-state (0WS) on supporting chipsets such as the Intel 430HX; up to 1.1 MB\/s without\u003c\/li\u003e\n\u003cli\u003eVideo memory: 256 KB, 320 KB with the VESA modes\u003c\/li\u003e\n\u003cli\u003eOutput: HDMI or DVI, 640x480 at 60\/70 Hz, 800x600 at 56 Hz; analog VGA via a powered HDMI2VGA dongle\u003c\/li\u003e\n\u003cli\u003eSettings, kept in flash: scanlines, phosphor colour, aspect, refresh, composite colour model (CGA)\u003c\/li\u003e\n\u003cli\u003ePower from the slot or USB-C; firmware updates over USB-C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOn-screen menu\u003c\/h3\u003e\n\u003cp\u003ePress the menu button on the bracket and the card draws its own menu over the picture - in a game, in the BIOS setup, or when the PC shows nothing because it is set up for another card. Short presses move through the menu, a one-second hold chooses. From the menu you switch the personality and set scanlines, monitor colour (colour, white, green, amber), refresh rate, composite colour, vertical fill, BIOS in RAM and XT\/AT bus, or go back to the factory settings. Holding the button for five seconds always brings the card back to VGA with factory settings.\u003c\/p\u003e\n\u003ch3\u003eDOS tools (included)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSVSET\u003c\/strong\u003e - switches the personality and changes every setting from the DOS prompt or a batch file (for example SVSET \/M:CGA), and saves them to flash\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSVKEY\u003c\/strong\u003e - a small resident program (752 bytes): Ctrl+Alt hotkeys change scanlines, phosphor, refresh, vertical fill and composite colour while a game runs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSVTEST\u003c\/strong\u003e - self-test of video memory and registers, with read and write speed figures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSVMODES\u003c\/strong\u003e - draws and checks every screen mode of every personality and writes a report\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRASTER\u003c\/strong\u003e - measures the picture timing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHICOL\u003c\/strong\u003e - shows the VESA hi-colour modes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZWSLOAD\u003c\/strong\u003e - measures the bus speed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cp\u003e8-bit only; VGA\/EGA text is 8 dots wide; mid-frame palette changes are not shown; no light pen.\u003c\/p\u003e\n\u003ch3\u003eDoom with scanlines, and on screen menu :\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0980\/2622\/6048\/files\/Doom_scanlines.jpg?v=1793136167\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Serdashop","offers":[{"title":"Default Title","offer_id":60226826633600,"sku":"serdavision-hdmi","price":95.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/2622\/6048\/files\/serdavision-revb.jpg?v=1793044347","url":"https:\/\/serdashop.com\/products\/serdavision-hdmi","provider":"Serdashop","version":"1.0","type":"link"}