CPU ID
NOTE: CPU ID information below was taken from one CPU and
may include features that are not present in all different steppings of the
AMD Athlon 800 CPU.
| Manufacturer: | AMD |
| Family: | Athlon |
| Model Number: | 800 |
|
| Part number: | A0800APT3B |
| S-Spec / Comment: | Thunderbird 642 A4 AFFA 0030APAW 26822 |
| Submitted by: | Neon |
|
| General information |
|---|
| Vendor: | AuthenticAMD |
| Processor name (BIOS): | AMD Athlon(tm) processor |
| Processor type: | Original OEM Processor |
| CPUID signature: | 642 |
| Family: | 6 (06h) |
| Model: | 4 (04h) |
| Stepping: | 2 (02h) |
| Cache: |
L1 data |
L1 instruction |
L2 |
|---|
| Size: |
64 KB |
64 KB |
256 KB |
| Associativity: |
2-way set
associative |
2-way set
associative |
16-way set
associative |
| Line size: |
64 bytes |
64 bytes |
64 bytes |
| Lines per tag: |
1 |
1 |
1 |
| |
| Instruction set extensions | Additonal instructions |
|---|
| MMX |
CMOV |
| AMD extensions to MMX |
CMPXCHG8B |
| 3DNow! |
FXSAVE/FXRSTORE |
| Extensions to 3DNow! |
SYSCALL/SYSRET |
| |
SYSENTER/SYSEXIT |
| |
| Major features | Other features |
|---|
| On-chip Floating Point Unit |
36-bit page-size extensions |
| |
Advanced programmable interrupt controller |
| |
Debugging extensions |
| |
Machine check architecture |
| |
Machine check exception |
| |
Memory-type range registers |
| |
Model-specific registers |
| |
Page attribute table |
| |
Page global extension |
| |
Page-size extensions (4MB pages) |
| |
Physical address extensions |
| |
Time stamp counter |
| |
Virtual 8086-mode enhancements |
