Akwai nau'ikan tubalan tashar I/O don saduwa da takamaiman ayyuka da buƙatun muhalli na shigarwa. I/O ke dubawa shine hadewar katin I/O da katangar I/O. Kowane I/O mai mu'amala yana da maɓalli na musamman ta yadda da zarar an shigar da shi a cikin ramin mai ɗaukar kaya tare da toshe tasha, toshewar tashar zai karɓi katin maye kawai. 8-tashar madaidaicin tasha.
Tsarin maɓalli ya ƙunshi ginshiƙan maɓalli guda biyu waɗanda ke juyawa kuma suna kulle cikin tushen toshewar tasha. Kowane matsayi yana da matsayi 6: AF da 1-6. Ana sanya kowane kati wani maɓalli na musamman, wanda aka yiwa alama a gefen katin I/O: Misalin toshe maɓalli.
Maɓallai suna hana shigar da katin da ba daidai ba, kuma bayanan hoto akan katin yana sauƙaƙa tantance ko ramin maɓalli zai karɓi takamaiman katin.
