![]() In the Ibiblio archive under several different symlinks. Most testing I did using the version, which remains Open-sourced, closed-sourced, plagiarized, and embargoed. Revised, updated, deleted, re-added, merged, split, renamed, refactored, Times without significant changes to function. Since 2003–2004, this collection of drivers has changed form many UIDE.SYS was a complete disk cache / Ultra DMA accelerator / CD/DVD driver.XDVD2.SYS / UDVD2.SYS is a CD/DVD driver.XHDD.SYS / UHDD.SYS is a disk cache / Ultra DMA accelerator.XMGR.SYS is an extended memory manager (XMM) that replaces bloated.UIDE.SYS all come from a package called "the Jack R. The programs XMGR.SYS, XHDD.SYS, UHDD.SYS, XDVD2.SYS, UDVD2.SYS, and Award Modular BIOS, circa 1999 Standard CMOS Setup Least reduces competition for the low-numbered IRQs. Made it possible for PCI devices to use IRQs above 15. Toward the end of the ISA era some motherboards gained I/O APICs which Unneeded devices or tweaking PCI interrupt sharing in the BIOS. Additional DMAs may beĬlaimed by SCSI controllers. Additional IRQs may be claimed by USB controllers, networkĭevices, video cards, and IDE/SCSI controllers. The standard fixed claims for 486 and newer PCs are shown in the tableīelow. MPU-401, and/or the CD-ROM interface (tertiary IDE or SCSI controller).Īdditional DMAs may be needed for 16-bit sound, full-duplex operation, Additional IRQs may be needed for native-mode sound, the The most likely choices are IRQ 5 and DMAġ. PCI devices can share IRQs with other PCI devices, but ISA cards don'tĪt a minimum, a sound card is going to need one IRQ and one DMA toĮmulate a Sound Blaster.8-bit ISA cards are limited to IRQ 2–7 and DMA 1–3.Potentially useful DMA numbers are 0–3 (for 8-bit transfers) and 5–7 (for 16-bit transfers).Potentially useful IRQ numbers are 2–7, 9–12, 14, and 15.IRQs and DMAs for ISA cards Award Modular BIOS Phoenix OEM BIOS (Dell and Gateway) USB legacy emulation DOS W98SE Multiboot considerations IRQs and DMAs for ISA cards General configuration notes for DOS, W98SE, and ISA-era BIOS General configuration notes for DOS, W98SE, and ISA-era BIOS ![]()
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