A new driver is leaked: Promise FastTrak driver 2.00 Build 18.

This driver is especially developed for Asus A7V and A7V133 motherboards (Promise Onboard Chip PDC20265), version 2.00 Build 18 and supports Windows XP.

Promise FastTrak driver 2.00 Build 18

Big Thx to WinOsCentral Update: 3DWin let me know that the drivers are official now!