<(MicroVAX 2000). They are not CPU upgradable, but you can add expansion <memory out to 16MB, an 8 port async serial board (thats the big DB They max out at 14mb due to hardware mapping. As little as 4 meg is very useable and 8mb or more makes a fine system. <connector that doesn't go anywhere) and a sync serial port. Standard The DB25 is a coms port with handshaking and modem controls. Allison