Computer Hardware User's Manual
Vol. 2A 3-179
INSTRUCTION SET REFERENCE, A-M
CPUID—CPU Identification
56H Data TLB0: 4 MByte pages, 4-way set associative, 16 entries
57H Data TLB0: 4 KByte pages, 4-way associative, 16 entries
5BH Data TLB: 4 KByte and 4 MByte pages, 64 entries
5CH Data TLB: 4 KByte and 4 MByte pages,128 entries
5DH Data TLB: 4 KByte and 4 MByte pages,256 entries
60H 1st-level data cache: 16 KByte, 8-way set associative, 64 byte line size
66H 1st-level data cache: 8 KByte, 4-way set associative, 64 byte line size
67H 1st-level data cache: 16 KByte, 4-way set associative, 64 byte line size
68H 1st-level data cache: 32 KByte, 4-way set associative, 64 byte line size
70H Trace cache: 12 K-μop, 8-way set associative
71H Trace cache: 16 K-μop, 8-way set associative
72H Trace cache: 32 K-μop, 8-way set associative
78H 2nd-level cache: 1 MByte, 4-way set associative, 64byte line size
79H 2nd-level cache: 128 KByte, 8-way set associative, 64 byte line size, 2 lines
per sector
7AH 2nd-level cache: 256 KByte, 8-way set associative, 64 byte line size, 2 lines
per sector
7BH 2nd-level cache: 512 KByte, 8-way set associative, 64 byte line size, 2 lines
per sector
7CH 2nd-level cache: 1 MByte, 8-way set associative, 64 byte line size, 2 lines per
sector
7DH 2nd-level cache: 2 MByte, 8-way set associative, 64byte line size
7FH 2nd-level cache: 512 KByte, 2-way set associative, 64-byte line size
82H 2nd-level cache: 256 KByte, 8-way set associative, 32 byte line size
83H 2nd-level cache: 512 KByte, 8-way set associative, 32 byte line size
84H 2nd-level cache: 1 MByte, 8-way set associative, 32 byte line size
85H 2nd-level cache: 2 MByte, 8-way set associative, 32 byte line size
86H 2nd-level cache: 512 KByte, 4-way set associative, 64 byte line size
87H 2nd-level cache: 1 MByte, 8-way set associative, 64 byte line size
B0H Instruction TLB: 4 KByte pages, 4-way set associative, 128 entries
B3H Data TLB: 4 KByte pages, 4-way set associative, 128 entries
B4H Data TLB1: 4 KByte pages, 4-way associative, 256 entries
F0H 64-Byte prefetching
F1H 128-Byte prefetching
Table 3-17. Encoding of Cache and TLB Descriptors (Contd.)
Descriptor Value Cache or TLB Description