Rare Gravis Ultrasound ISA 16bit Sound Card, GUS Ultrasound PnP 5. 5Mb.
Item History & Price
| Reference Number: Avaluer:20594765 | MPN: Does Not Apply |
| Compatible Port/Slot: ISA | Brand: Gravis |
| UPC: Does not apply |
Rare legendary sound card for old PC computers.
Quote from the site Vogonswiki.com (c):
"Unlike any other Ultrasound card, the GUS PnP is not based on the GF1 but rather on the Interwave chip made by AMD. It is hardware compatible with the original GUS when initialized in GUS mode but differs from it in several aspects. First, it is able to play back 32 voices with the full 44kHz sample rate, where the GUS Classic went down to ~19kHz. Second, the on-board sample R...AM can be extended to 8MB using SIMM, although the Interwave chip has an address space of 16MB. It also has a built-in effects processor and comes with 1MB of sample ROM filled with a GeneralMIDI compatible sound set.As the GUS Classic, the Interwave chip is neither SoundBlaster compatible nor has it an integrated OPL3 FM chip. The card only provides the SB control registers (0x220H, 0x388H, ...), the actual SoundBlaster emulation is done in software. To be fully compatible with the original GUS, some RAM has to be installed.Installing a GUS PnP can be quite a challenge due to its resource demand (three to four IRQs, three DMA channels, several IO ports). Fortunately these requirements can be lowered to two IO ports, two DMA channels and one IRQ when configured correctly. Prior to installing the card, any other soundcard and probably other extension cards should be removed from the system. They can be re-added when configuration of the GUS PnP is completed."My card has 5.5MB of RAM 4+1MB simm + 512Kb in onboard ic. Fully tested in Doom and Heretic game - sound effects and music.Card in excellent working and cosmetic condition.Card solds without original packaging, instructions and original driver diskettes and CD.
The card is verified by me, but it is ~30 years old. Therefore, i am very sorry, but no any returns or exchanges are not accepted.Make a purchase only if you understand what you see.
Any questions please ask BEFORE purchase. Thank you
Quote from the site Vogonswiki.com (c):
"Unlike any other Ultrasound card, the GUS PnP is not based on the GF1 but rather on the Interwave chip made by AMD. It is hardware compatible with the original GUS when initialized in GUS mode but differs from it in several aspects. First, it is able to play back 32 voices with the full 44kHz sample rate, where the GUS Classic went down to ~19kHz. Second, the on-board sample R...AM can be extended to 8MB using SIMM, although the Interwave chip has an address space of 16MB. It also has a built-in effects processor and comes with 1MB of sample ROM filled with a GeneralMIDI compatible sound set.As the GUS Classic, the Interwave chip is neither SoundBlaster compatible nor has it an integrated OPL3 FM chip. The card only provides the SB control registers (0x220H, 0x388H, ...), the actual SoundBlaster emulation is done in software. To be fully compatible with the original GUS, some RAM has to be installed.Installing a GUS PnP can be quite a challenge due to its resource demand (three to four IRQs, three DMA channels, several IO ports). Fortunately these requirements can be lowered to two IO ports, two DMA channels and one IRQ when configured correctly. Prior to installing the card, any other soundcard and probably other extension cards should be removed from the system. They can be re-added when configuration of the GUS PnP is completed."My card has 5.5MB of RAM 4+1MB simm + 512Kb in onboard ic. Fully tested in Doom and Heretic game - sound effects and music.Card in excellent working and cosmetic condition.Card solds without original packaging, instructions and original driver diskettes and CD.
The card is verified by me, but it is ~30 years old. Therefore, i am very sorry, but no any returns or exchanges are not accepted.Make a purchase only if you understand what you see.
Any questions please ask BEFORE purchase. Thank you
