1. Pentium Microprocessor
Module M20.1

2. Intel Microprocessors
pin DIP (dual in-line package)
pin PGA (pin grid array)
80386DX pin PGA
80486DX pin PGA
The Pentium pin PGA
The Pentium Pro pin PGA

3. 80486DX pin PGA

4. Some Intel Microprocessors

5. Some Motorola Microprocessors

6. The Intel iCOMP Index

7. The PC Memory Map

8. The memory map
of the TPA
(Transient Program
Area)

9. System area
of a typical PC

12. The
Pentium Pro
Registers

13. The EFLAG and FLAG Registers

14. The Segment Register in the Protected Mode

15. The Descriptor Formats
Base address = starting location of memory segment
Limit = last offset address in segment
G = granularity bit
G = 0: Limit is length of 1 to 1M bytes
G = 1: Limit is any multiple of 4K bytes
Note: 220 x 4K = 220 x 212 = 232 = 4G bytes

16. register

17. The Access Rights Byte

18. DS register accesses
memory locations
100000H-1000FFH