Specifications

vii
Figures and Tables
Chapter 1
Introduction
1
Figure 1-1 Simplified block diagram of PC and Macintosh functions 3
Figure 1-2 12" card dimensions 4
Figure 1-3 7" card dimensions 4
Chapter 2
Hardware Design
9
Figure 2-1 12” card with featured ICs 11
Figure 2-2 7" card with featured ICs 12
Figure 2-3 Detailed block diagram—12” card 13
Figure 2-4 Detailed block diagram—7" 14
Figure 2-5 Example of big-endian and little-endian data formats 16
Figure 2-6 DRAM control—12” card 19
Figure 2-7 DRAM control for the 7” card 20
Figure 2-8 GIMO connectors and Berlin adapter card 29
Figure 2-9 I/O connections to Power Macintosh 7200 30
Figure 2-10 I/O connections to Power Macintosh 7500 and 8500 31
Figure 2-11 I/O connections for Power Macintosh 9500 32
Table 2-1 Definition of interrupts 17
Table 2-2 PC arbitration priorities 18
Table 2-3 Clock signal distribution 21
Table 2-4 Monitors and display modes supported 23
Table 2-5 Serial port signals 27
Chapter 3
I/O Specifications
33
Figure 3-1 Locations of I/O connectors for the 12” card 34
Figure 3-2 Locations of I/O connectors for the 7” card 35
Figure 3-3 PCI bus signals used in the 12” and 7” cards 36
Table 3-1 PCI bus specifications 36
Table 3-2 PCI connector pin assignments 38
Table 3-3 CBE(3:0) L encoding 44
Table 3-4 DB26 connector pin assignments 45
Table 3-5 DB15 connector pin assignments 46
Table 3-6 GIMO connector pin assignments 47
Table 3-7 Audio connector pin assignments 48
Table 3-8 DIMM connector pin assignments 48
Table 3-9 XD connector pin assignments 53