>>391
M/BはReoWorks HDMAでATAチャネルは二個あるんだけど両方同じです。
ad0: 78533MB <IC35L080AVVA07-0> [159560/16/63] at ata0-master BIOSDMA
ad2: 117800MB <IC35L120AVV207-1> [239340/16/63] at ata1-master BIOSDMA

#pciconf -lv
atapci0@pci0:7:1: class=0x01018a card=0x3016161f chip=0x74691022 rev=0x03 hdr=0x00
vendor = 'Advanced Micro Devices (AMD)'
device = 'AMD-8111 UltraATA/133 Controller'
class = mass storage
subclass = ATA

AMDってことでちと諦め気味。