12P3890 - IBM - ThinkPad System Board For 900MHZ 1GHZ 12P3890 - IBM - ThinkPad System Board For 900MHZ 1GHZ $103.79 $84.39
12P3645 - IBM - C-900MHz System Board for ThinkPad R30 12P3645 - IBM - C-900MHz System Board for ThinkPad R30 $650.35 $528.74
12P3748 - IBM - ThinkPad System Board Celeron 750MHz 12P3748 - IBM - ThinkPad System Board Celeron 750MHz $160.23 $130.27
08K3397 - IBM - ThinkPad System Board With 700MHZ Celeron 08K3397 - IBM - ThinkPad System Board With 700MHZ Celeron $600.47 $488.19
12P3624 - IBM - ThinkPad System Board 700MHz Celeron 64M 12P3624 - IBM - ThinkPad System Board 700MHz Celeron 64M $521.52 $424.00