REG1              340 dev/isa/if_ex.c 	ISA_PUT(REG1, ISA_GET(REG1) | Tx_Chn_Int_Md | Tx_Chn_ErStp | 
REG1              367 dev/isa/if_ex.c 	ISA_PUT(REG1, ISA_GET(REG1) | TriST_INT);
REG1              573 dev/isa/if_ex.c 	ISA_PUT(REG1, ISA_GET(REG1) & ~TriST_INT);