First thank you to the ZM dev team - amazing product

Im having some trouble getting my cameras setup correctly.
They appear to just be getting the lower 10th of the image
Any helps/hints to get the rest of the image appreciated!
Thank you


Setup:-
Gentoo
4 into 1 787a pci card
NTSC cams - recording in 320x240 res
No errors or other problems in the logs,
DMESG bttv setup :-
bttv: driver version 0.9.17 loaded
bttv: using 8 buffers with 2080k (520 pages) each for capture
bttv: Bt8xx card found (0).
bttv0: Bt878 (rev 17) at 0000:05:04.0, irq: 16, latency: 66, mmio: 0xf8d00000
bttv0: using: GrandTec Multi Capture Card (Bt878) [card=77,insmod option]
bttv0: gpio: en=00000000, out=00000000 in=00f36fff [init]
bttv0: tuner absent
bttv0: registered device video0
bttv0: registered device vbi0
bttv0: PLL: 28636363 => 35468950 .. ok
bttv0: PLL can sleep, using XTAL (28636363).