Ah yes the Slim's don't actually support Linux. It was the Fat's that did, also a HDD would be required, plus VGA cable, with a monitor that supports Sync-on Green (most Samsung LCD's support that). V12 (yours is v15) was the last model, and first Slim, that still had traces for IDE support. The chipset changed afterwards.
Anyhoo.. soft mod it. With
FreeMcboot Noobie Package. Uses a standard PS2 memory card. I found most 'backups' run on it. Plus I found usefull the media player included in the Noob package great, for streaming over SAMBA network, or localized USB drive for movie playback.
I could send you out a soft modded memory card, but I'd prolly never get around to it.