AMD-K6-2E/400AFR AMD [Advanced Micro Devices], AMD-K6-2E/400AFR Datasheet - Page 53

• Manufacturer Part Number: AMD-K6-2E/400AFR
• Manufacturer: AMD [Advanced Micro Devices]

22529B/0—January 2000
Control Registers
Figure 21. Control Register 4 (CR4)
Figure 22. Control Register 3 (CR3)
Figure 23. Control Register 2 (CR2)
Chapter 3
Symbol
Symbol
31 30 29 28 27 26 25 24 23 22
31
31
Reserved
Reserved
MCE
PSE
DE
TSD
PVI
VME
PCD
PWT
Machine Check Enable
Page Size Extensions
Debugging Extensions
Time Stamp Disable
Protected Virtual Interrupts
Virtual-8086 Mode Extensions 0
Page Cache Disable
Page Writethrough
Description
Description
The five control registers contain system control bits and
pointers. Figures 21 through 25 show the formats of the control
registers.
Page Directory Base
21
Bit
Bit
6
4
3
2
1
4
3
20
19
Software Environment
Page Fault Linear Address
18
17
16
15
14
13
12
11
10
9
AMD-K6™-2E Processor Data Sheet
8
7
7
M
C
6
E
6
5
5
D
4
P
S
E
4
P
C
W
D
3
3
E
P
T
D
2
T
S
2
1
1
P
V
I
M
0
V
E
0
0
35