Changes

Line 40: Line 40:  
* '''PrimeTime'''. The PrimeTime IC combines functions performed by several ICs in previous Macintosh designs. Data bus buffers for the internal I/O bus, SWIM II, interface adapters VIA1 and VIA2.
 
* '''PrimeTime'''. The PrimeTime IC combines functions performed by several ICs in previous Macintosh designs. Data bus buffers for the internal I/O bus, SWIM II, interface adapters VIA1 and VIA2.
 
* '''PrimeTime II'''. The PrimeTime II IC supports the I/O bus. It combines functions performed by several ICs in previous Macintosh designs.
 
* '''PrimeTime II'''. The PrimeTime II IC supports the I/O bus. It combines functions performed by several ICs in previous Macintosh designs.
 +
* '''PrimeTime III'''. The PrimeTime III IC supports the I/O bus and functions as the bridge between the 68040 bus and the I/O bus. It combines functions performed by several ICs in previous Macintosh designs (VIA1, VIA2, SWIM II).
 
* '''PSX'''. The PSX IC functions as the bridge between the PowerPC 603e microprocessor and the PCI bus. It provides buffering and address translation from one bus to the other.  
 
* '''PSX'''. The PSX IC functions as the bridge between the PowerPC 603e microprocessor and the PCI bus. It provides buffering and address translation from one bus to the other.  
* '''PSX+'''. The PSX+ IC functions as the bridge between the PowerPC 603e microprocessor and the PCI bus. It provides buffering and address translation from one bus to the other. The PSX+ IC also provides the control and timing signals for system cache, ROM, and RAM.  
+
* '''PSX+'''. The PSX+ IC functions as the bridge between the PowerPC 603e microprocessor and the PCI bus. It provides buffering and address translation from one bus to the other. The PSX+ IC also provides the control and timing signals for system cache, ROM, and RAM.
 +
 
 
==R==
 
==R==
 
* '''RaDACal''', a high-performance digital-to-analog converter (DAC) used for the video stream to the monitor
 
* '''RaDACal''', a high-performance digital-to-analog converter (DAC) used for the video stream to the monitor