halam1@ub.d.umn.edu (Haseen I. Alam) (10/23/90)
Hi there, I was looking at the spec sheets for a Mac IIsi, and saw that you can buy EITHER an "030 Direct Slot Adapter Card" OR a "NuBus Adapter Card" for the IIsi. Both of these adapters come with a 68882 FPU. Now the specs for these adapter cards say that they can both accommodate either a video, a communication or a DSP card. But the 030 PDS adapter "Lets you add any expansion card that is compatible with those used in the Macintosh SE/30." I would be greatful if someone could point out some differences and advantages/disadvantages between a NuBus and a PDS card. Are both kinds available in the market? What about price? What would make someone choose one over the other? Any helpful gesture will be greatly appreciated. Thanks. Haseen. -- .--------------------------------------------------------------------. | Haseen Ibne Alam | email : halam1@ub.d.umn.edu | | "LET THE FORCE BE WITH YOU." | or halam@cola.d.umn.edu | `--------------------------------------------------------------------'
geff@iastate.edu (Underwood Geoffrey Dale) (10/24/90)
In article <329@ub.d.umn.edu> halam1@ub.d.umn.edu (Haseen I. Alam) writes: > > I would be greatful if someone could point out some differences and > advantages/disadvantages between a NuBus and a PDS card. Are both kinds > available in the market? What about price? What would make someone > choose one over the other? > > Any helpful gesture will be greatly appreciated. Thanks. > > Haseen. The summary basically says it all. People have been making NuBus boards for a relatively long time, and there are more Macs with NuBus slots; these facts make NuBus boards cheaper. The fact that the PDS is basically a direct connection to the CPU makes PDS boards faster. Geff Underwood geff@iastate.edu