{"title":"PC-XT\/AT","description":"\u003cp\u003eA curated selection of expansion cards designed for classic IBM PC-XT and PC-AT compatible systems. Whether you're restoring vintage hardware or building a new retro PC, these cards bring modern convenience and expanded functionality to your 8-bit and 16-bit era machines.\u003c\/p\u003e","products":[{"product_id":"adlib-sound-card-replica-with-real-ym3812-chip","title":"AdLib Sound Card Replica - With Real YM3812 Chip","description":"\u003ch3\u003eWhat is it?\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eAdLib Sound Card Replica\u003c\/strong\u003e is a faithful 1:1 recreation of the legendary \u003cstrong\u003e1990 AdLib Music Synthesizer Card\u003c\/strong\u003e — the first industry-standard sound card in IBM PC history. Powered by the original \u003cstrong\u003eYamaha YM3812 (OPL2)\u003c\/strong\u003e FM synthesis chip, it delivers authentic FM rectangular wave audio that defined PC gaming sound from 1987 to 1995.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe legendary first industry standard sound card in the history of IBM PC\u003c\/li\u003e\n\u003cli\u003eYM3812 OPL2 FM synthesis — the milestone chip of an era\u003c\/li\u003e\n\u003cli\u003eCompatible with all PC games from 1987 to 1995\u003c\/li\u003e\n\u003cli\u003ePlug and play — no driver required (game software includes its own)\u003c\/li\u003e\n\u003cli\u003e8-bit ISA: fully compatible with IBM PC, XT, AT\/286\u003c\/li\u003e\n\u003cli\u003e16-bit ISA: fully compatible with 386, 486, and Pentium systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat makes it special?\u003c\/h3\u003e\u003cp\u003eThis is the \u003cstrong\u003e1990 Extreme Gold Edition\u003c\/strong\u003e replica — fully assembled, installed, and tested before shipping:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand new copper immersion gold PCB with 1:1 restoration of the original 1990 historical logo\u003c\/li\u003e\n\u003cli\u003eBrand new high-quality electronic components with original color restoration\u003c\/li\u003e\n\u003cli\u003eNew IC sockets added for easy disassembly and component swapping\u003c\/li\u003e\n\u003cli\u003eFull retro 1990s original code — all original IC functions fully tested\u003c\/li\u003e\n\u003cli\u003ePre-installed high-precision 5-pin optimized potentiometer for the volume knob, with reserved mounting holes compatible with the older 3-pin 10K potentiometer\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExternal Links\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/github.com\/denjhang\/adlib\"\u003ehttps:\/\/github.com\/denjhang\/adlib\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46123490902213,"sku":null,"price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2025-03-10T04_00_37.859Z-IMG_3919..jpg?v=1777001632"},{"product_id":"analog-devices-ad1815j-1846jp-isa-sound-card","title":"Analog Devices AD1815J\/1846JP ISA Sound Card","description":"\u003ch3\u003eWhat is it?\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eAnalog Devices AD1815\u003c\/strong\u003e is a highly integrated sound chip from the late 1990s and the predecessor of the AD1816. It features \u003cstrong\u003eSound Blaster Pro (SB-Pro)\u003c\/strong\u003e and \u003cstrong\u003eWindows Sound System (WSS)\u003c\/strong\u003e compatibility, and was commonly found on budget Plug-and-Play ISA sound cards of the era.\u003c\/p\u003e\u003cp\u003eDrivers are readily available and installation is straightforward. Out of the box, the card auto-configures to \u003cstrong\u003eEA530 for WSS\u003c\/strong\u003e and \u003cstrong\u003eEA220, IRQ5, DMA 1\/3 for SB-Pro\u003c\/strong\u003e, and the installation routine automatically adds the \u003ccode\u003eSET BLASTER\u003c\/code\u003e string to \u003ccode\u003eautoexec.bat\u003c\/code\u003e. Simply disable the noisy headphone amplifier via jumper, and you have a clean, compatible, and easy-to-use ISA sound card for retro gaming.\u003c\/p\u003e\u003cp\u003eIf you plan to add a wavetable daughterboard later, look for the variant with a wavetable header.\u003c\/p\u003e\u003ch3\u003eWhat makes it special?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSB-Pro \u0026amp; WSS compatible\u003c\/strong\u003e — works with a wide range of DOS games and software\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play ISA\u003c\/strong\u003e — auto-configures IRQ, DMA, and I\/O addresses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy driver installation\u003c\/strong\u003e — SET BLASTER string added to autoexec.bat automatically\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJumper-selectable headphone amp disable\u003c\/strong\u003e — eliminates noise for cleaner audio output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBudget-friendly\u003c\/strong\u003e — great value for a fully compatible retro sound card\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWavetable header option\u003c\/strong\u003e — AD1846JP variant supports future wavetable expansion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eModels\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAD1815JS\u003c\/strong\u003e — $44.00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAD1846JP\u003c\/strong\u003e — $58.00 (adds wavetable header support and enhanced features)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExternal Links\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.elektronik.ropla.eu\/pdf\/stock\/adi\/ad1815.pdf\"\u003eAD1815 Datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46123500994757,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-12-11T14_49_23.457Z-2bdfb8dbd922e1fb84bc5decc5ca58dd_ab1e0812-490d-4627-aa94-e665896db382.jpg?v=1778071637"},{"product_id":"ess-es688-968-1868-1869-isa-sound-card","title":"ESS ES688\/968\/1868\/1869 ISA Sound Card","description":"\u003ch3\u003eWhat is it?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eESS AudioDrive ISA Sound Cards\u003c\/strong\u003e are widely regarded as some of the best Sound Blaster clone cards ever made. The ESS chipset is highly integrated and extremely capable — the \u003cstrong\u003eES1868F\u003c\/strong\u003e, for example, offers full \u003cstrong\u003eSound Blaster Pro 2 compatibility\u003c\/strong\u003e, a built-in mixer with inputs for line-in, microphone, CD audio, and wavetable, and is known for being exceptionally quiet. Most cards also include an \u003cstrong\u003eIDE connector for an optical drive\u003c\/strong\u003e, which is a huge convenience in machines with only a single IDE channel.\u003c\/p\u003e\u003ch3\u003eWhy did you make it?\u003c\/h3\u003e\u003cp\u003eThe card features \u003cstrong\u003ejumpers to enable or disable the onboard amplifier\u003c\/strong\u003e. For use with powered speakers or an external amplifier, it is recommended to disable the onboard amp to avoid noise and signal degradation. This flexibility makes it suitable for a wide range of audio setups.\u003c\/p\u003e\u003ch3\u003eWhat makes it special?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeginner-friendly DOS setup\u003c\/strong\u003e — just run \u003ccode\u003eINSTALL\u003c\/code\u003e and answer a few questions; the program automatically updates your \u003ccode\u003eAUTOEXEC.BAT\u003c\/code\u003e and \u003ccode\u003eCONFIG.SYS\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to customize\u003c\/strong\u003e — all configuration entries are human-readable; change IRQ or mixer settings by simply editing \u003ccode\u003eAUTOEXEC.BAT\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Blaster Pro 2 compatible\u003c\/strong\u003e — works with the vast majority of DOS games\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated mixer\u003c\/strong\u003e — line-in, microphone, CD audio, and wavetable header inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIDE optical drive connector\u003c\/strong\u003e — adds a second IDE channel for CD-ROM drives\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJumper-selectable amplifier\u003c\/strong\u003e — disable for use with powered speakers or external amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple chipset variants available\u003c\/strong\u003e — choose the model that fits your build\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eModels\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eES1868F\u003c\/li\u003e\n\u003cli\u003eES1869F\u003c\/li\u003e\n\u003cli\u003eES688F + AP128B + LS262\u003c\/li\u003e\n\u003cli\u003eES688FC + DSP24S\u003c\/li\u003e\n\u003cli\u003eES688F + ES968F + DXP44Q\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExternal Links\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.philscomputerlab.com\/ess-audiodrive-es1868.html\"\u003ePhil's Computer Lab — ESS AudioDrive ES1868 Review\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46123516002501,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-12-11T14_13_14.411Z-103162ac05754c76a4cf340670e472da.jpg?v=1777002376"},{"product_id":"isa-super-vga-trident-tvga9000i","title":"ISA Super VGA - Trident TVGA9000i","description":"\u003ch3\u003eWhat is it?\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eISA Super VGA card\u003c\/strong\u003e is based on the \u003cstrong\u003eTrident TVGA9000i\u003c\/strong\u003e Super VGA controller IC. It offers excellent compatibility with the original \u003cstrong\u003eIBM VGA\u003c\/strong\u003e standard, as well as solid emulation of older display adapters including \u003cstrong\u003eCGA, EGA, Hercules, and MDA\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eDesigned primarily for computers with an \u003cstrong\u003e8-bit ISA bus\u003c\/strong\u003e (XT bus) — such as the IBM PC, IBM XT, and their clones — it will also function in 16-bit ISA slots of AT-compatible systems, though performance there will be lower than a native 16-bit VGA card.\u003c\/p\u003e\u003ch3\u003eWhy did you make it?\u003c\/h3\u003e\u003cp\u003eEvery card is \u003cstrong\u003efully assembled and tested\u003c\/strong\u003e on a real ISA slot before shipping. PCB finish (gold or tin) and color are selectable, but all variants include a proper PC case bezel for a clean installation.\u003c\/p\u003e\u003ch3\u003eWhat makes it special?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrident TVGA9000i\u003c\/strong\u003e — proven SVGA chip with broad DOS-era compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e256KB or 512KB video memory\u003c\/strong\u003e — using two or four 256Mbit×4 DRAM ICs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8088-friendly VGA BIOS\u003c\/strong\u003e — works correctly on original 8088\/8086 XT-class machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimal component count\u003c\/strong\u003e — only 6 ICs (SVGA chip, BIOS, four DRAM chips) plus passives; clean and reliable design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCGA \/ EGA \/ Hercules \/ MDA emulation\u003c\/strong\u003e — broad compatibility with vintage software\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoice of PCB color:\u003c\/strong\u003e Black, Purple, Blue, Green, White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoice of PCB finish:\u003c\/strong\u003e Gold plated or Tinned\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExternal Links\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"http:\/\/www.malinov.com\/Home\/sergeys-projects\/isa-supervga\"\u003eSergey's ISA SuperVGA Project Page\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46123523014853,"sku":null,"price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-02-12T14_41_21.802Z-578d180f9cec2777a94694489ace029d.jpg?v=1777003223"},{"product_id":"hardmpu-wt-mpu-401-midi-isa-card","title":"HardMPU-WT MPU-401 MIDI ISA Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHardMPU-WT\u003c\/strong\u003e is an 8-bit ISA expansion card that re-creates the original \u003cstrong\u003eRoland MPU-401\u003c\/strong\u003e interface in both of its historical modes: \u003cstrong\u003eUART\u003c\/strong\u003e and \u003cstrong\u003eIntelligent\u003c\/strong\u003e. Hand-assembled on a matte-black, gold-plated PCB, it gives any XT\/AT\/486\/Pentium DOS machine a hardware-accurate MIDI port that software recognizes as \"MPU-401\" at the classic \u003cstrong\u003e330h address\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eA standard \u003cstrong\u003e5-pin DIN OUT\/THRU\u003c\/strong\u003e plus jumper-selectable I\/O and IRQ let you run it beside or instead of the MPU emulation found on common Sound Blaster cards.\u003c\/p\u003e\u003ch2\u003eWhy Was It Made?\u003c\/h2\u003e\u003cp\u003eVintage DOS titles such as \u003cstrong\u003ePrincess Maker 1 \u0026amp; 2\u003c\/strong\u003e, \u003cstrong\u003eUltima VI\u003c\/strong\u003e, \u003cstrong\u003eWing Commander\u003c\/strong\u003e, and a long list of Sierra\/LucasArts adventures query the MPU-401's command register and will remain \u003cem\u003esilent\u003c\/em\u003e if they see only the dumbed-down UART mode that most 1990s sound cards provide. Modern USB-MIDI adapters do not speak Intelligent mode either.\u003c\/p\u003e\u003cp\u003eCollectors were forced to hunt rare, expensive Roland \"Music Interface\" cards or entire LAPC\/CM modules. HardMPU-WT is an affordable, open-hardware solution that can be built today, shipped worldwide, and dropped into any retro PC without cannibalizing an original Roland part.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Intelligent-mode logic:\u003c\/strong\u003e 6801-class microcontroller core coded to answer every MPU-401 status\/command handshake that DOS games expect — 100% compatibility with titles that need it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-mode jumper:\u003c\/strong\u003e Slide one shunt and the card behaves like a plain UART interface for Windows or trackers that don't need Intelligent overhead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware conflict freedom:\u003c\/strong\u003e All I\/O (300\/330\/332\/334h) and IRQ (2\/9\/5\/7) settings via DIP headers — disable the MPU port on your SB16\/AWE\/ESS and keep audio playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISA-friendly power-up:\u003c\/strong\u003e Powers from 5V only, generates its own ±12V for true RS-232-level MIDI current loops. Works in 8-bit slots back to the IBM 5150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand-crafted quality:\u003c\/strong\u003e Matte-black solder mask, ENIG (gold) finish, visually inspected, programmed, loopback tested, shipped in anti-static bag with quick-start sheet and bracket screws\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough-hole construction:\u003c\/strong\u003e No surface-mount mystery — fully repairable for decades\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e 8-bit ISA (compatible with XT\/AT\/486\/Pentium)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModes:\u003c\/strong\u003e Intelligent (MPU-401) + UART (jumper selectable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Address:\u003c\/strong\u003e 300h \/ 330h \/ 332h \/ 334h (DIP selectable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIRQ:\u003c\/strong\u003e 2 \/ 9 \/ 5 \/ 7 (DIP selectable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIDI:\u003c\/strong\u003e 5-pin DIN OUT + THRU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 5V from ISA bus, onboard ±12V generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCB:\u003c\/strong\u003e Matte black, ENIG gold-plated, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e IBM 5150 and later, all DOS-era PCs with 8-bit ISA slot\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Software\u003c\/h2\u003e\u003cp\u003eAny DOS game or application that uses MPU-401 Intelligent mode, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrincess Maker 1 \u0026amp; 2\u003c\/li\u003e\n\u003cli\u003eUltima VI and later Ultima titles\u003c\/li\u003e\n\u003cli\u003eWing Commander series\u003c\/li\u003e\n\u003cli\u003eSierra On-Line adventures (King's Quest, Space Quest, etc.)\u003c\/li\u003e\n\u003cli\u003eLucasArts adventures (Monkey Island, Day of the Tentacle, etc.)\u003c\/li\u003e\n\u003cli\u003eAnd hundreds more DOS titles with MT-32 \/ General MIDI output\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46182306480325,"sku":null,"price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/04_27a52f5d-6608-4a84-8718-d8ba3992460c.jpg?v=1778071465"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/collections\/image_45466a48-ad69-4bdf-8854-e1d4178db3be.png?v=1777001065","url":"https:\/\/denjhang.com\/collections\/pc-xt-at-expansion-cards.oembed","provider":"Denjhang's Retro Hardware","version":"1.0","type":"link"}