dmesg | grep -i md
[17179569.184000] Enabling unmasked SIMD FPU exception support... done.
[17179570.696000] CPU0: AMD Athlon(tm) XP 2800+ stepping 00
[17179571.404000] RAMDISK driver initialized: 16 RAM disks of 65536K size 1024 blocksize
[17179575.484000] ata1: SATA max UDMA/100 cmd 0xF887C080 ctl 0xF887C08A bmdma 0xF887C000 irq 177
[17179575.484000] ata2: SATA max UDMA/100 cmd 0xF887C0C0 ctl 0xF887C0CA bmdma 0xF887C008 irq 177
[17179575.484000] ata3: SATA max UDMA/100 cmd 0xF887C280 ctl 0xF887C28A bmdma 0xF887C200 irq 177
[17179575.484000] ata4: SATA max UDMA/100 cmd 0xF887C2C0 ctl 0xF887C2CA bmdma 0xF887C208 irq 177
[17179576.824000] ata5: SATA max UDMA/100 cmd 0xF88A4080 ctl 0xF88A408A bmdma 0xF88A4000 irq 177
[17179576.824000] ata6: SATA max UDMA/100 cmd 0xF88A40C0 ctl 0xF88A40CA bmdma 0xF88A4008 irq 177
[17179592.276000] md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
[17179592.276000] md: bitmap version 4.39
[17179915.912000] md: raid1 personality registered for level 1