The Promise 20230 & 20630 chips are very similar. 20630 offers: 2 IDE ports over the single port on the older chip; Chip can talk WDMA to storage, but transfers from the chip to the PC are still PIO; IRQrdy modes depend on the controller implimentation; improved performance when everything else is the same

2010年3月13日 · So I recently came across a Promise dc4030vl-2 VLB I/O controller in a 486 I picked up. I've never actually owned a controller that allows the addition of cache so I have a few questions.

Expansion card:Promise (PTI) EIDE2300 PLUS (VER. 2.0) The Retro Web Support Us Articles. Motherboards BIOS images Chips ... Promise (PTI) PDC20630 (VLB IDE Controller) Signal transmitter/receiver chips. Winbond W83758P (I/O Coupler) MTL; …

Chip: Promise (PTI) PDC20430 (VLB IDE Controller) The Retro Web Support Us Articles. Motherboards BIOS images Chips Chipsets Expansion cards Hard drives Optical drives Floppy & tape drives Drivers & software I/O ports Expansion slots Sockets Power connectors Manufacturers. Home. Chips. ID: 3260 ...

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2024年5月17日 · One FDD header, supporting two FDDs. One IDE header, supporting two HDDs. Includes CD of several versions of full drivers. Includes printed copy of high-resolution scan of full original manual. NEW — Never sold or used.

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2009年11月20日 · Anyone know of a BIOS update for this card that would allow it to support 8gb drives? Right now it works great, but apparently it won't do anything bigger than 2gb. I have three VLB Multi I/O cards and none of them has BIOS.

2023年5月15日 · Promise 3.3 drivers seem to work over all Promise 20230 and Promise 20630 controllers, regardless of the vendor. The main difference is that Promise 20230 controllers only work with the /D# switch (aka PIO) .

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