61G2405 - IBM - 9585 System Board Motherboard for 486DX-33 61G2405 - IBM - 9585 System Board Motherboard for 486DX-33 $251.26 $212.93
92F0270 - IBM - System Board Motherboard for 9585 Supports 486SX 92F0270 - IBM - System Board Motherboard for 9585 Supports 486SX $148.26 $125.64
46N1983 - IBM - System Board (Motherboard) 46N1983 - IBM - System Board (Motherboard) $281.28 $238.37