Same disks different geometry?

[Tiago Antao <tiagoantao@bigfoot.com>]

Hi!

  I've a somewhat odd problem: I've 4 equal disks. The first 2 (one the
1st ide) have one kind of geometry. The second 2, have other geometry
reported.... Does anyone knows why????
  Thanks for any help...

---
PCI_IDE: unknown IDE controller on PCI bus 00 device f9, VID=8086,
DID=2411
PCI_IDE: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xa800-0xa807, BIOS settings: hda:DMA, hdb:DMA
    ide1: BM-DMA at 0xa808-0xa80f, BIOS settings: hdc:DMA, hdd:DMA
hda: WDC WD136AA, ATA DISK drive
hdb: WDC WD136AA, ATA DISK drive
hdc: WDC WD136AA, ATA DISK drive
hdd: WDC WD136AA, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: WDC WD136AA, 12971MB w/2048kB Cache, CHS=1653/255/63
hdb: WDC WD136AA, 12971MB w/2048kB Cache, CHS=1653/255/63
hdc: WDC WD136AA, 12971MB w/2048kB Cache, CHS=26354/16/63
hdd: WDC WD136AA, 12971MB w/2048kB Cache, CHS=26354/16/63