Intel AT80604004881AA Benutzerhandbuch

Seite von 172
Intel® Xeon® Processor 7500 Datasheet, Volume 1
149
Features
18-19
16
Reserved
Reserved for future use
0000h
1Ah
8
Checksum
1 byte checksum
Add up by byte and take 2’s 
complement
Processor Core Data
1B-1Ch
16
CPUID
Four 4-bit hex digits
1D-1Eh
16
Reserved
Reserved for future use
0000h
1F-20h
16
Maximum P1 Core Frequency
Non-Turbo Boost (Mhz)
Four 4-bit hex digits (Mhz)
2000h = 2000 MHz
1
21-22h
16
Maximum P0 Core Frequency
Turbo Boost (Mhz)
Four 4-bit hex digits (Mhz)
2400h = 2400 MHz
1
23-24h
16
Maximum Core Voltage ID
Four 4-bit hex digits (mV)
1500h = 1500 mV
1
25-26h
16
Minimum Core Voltage ID
Four 4-bit hex digits (mV)
1000h = 1000 mV
1
27h
8
Core Voltage Tolerance, High
Allowable positive DC shift
Two 4-bit hex digits (mV)
15h = 15mV
1
28h
8
Core Voltage Tolerance, Low
Allowable negative DC shift
Two 4-bit hex digits (mV)
15h = 15mV
1
29h
8
Checksum
1 byte checksum
Add up by byte and take 2’s 
complement
Processor Uncore Data
2A-2Bh
16
Maximum Intel® QPI Link 
Transfer Rate
Four 4-bit hex digits (in MT/s)
6400h = 6400 MT/s
1
5866h = 5866MT/s
1
2C-2Dh
16
Minimum Intel® QPI Link 
Transfer Rate
Four 4-bit hex digits (in MT/s) 
4800h = 4800 MT/s
1
2E-31h
32
Intel® QPI Version Number
Four 8-bit ASCII Characters 
01.0
32h
7/1
LT-SX
First seven bits reserved
00000001 = supported
00000000 = unsupported
33-34h
16
Maximum Intel®
 
SMI Transfer 
Rate
Four 4-bit hex digits (in MT/s)
6400h = 6400 MT/s
1
5866h = 5866MT/s
35-36h
16
Minimum Intel®
 
SMI Transfer 
Rate
Four 4-bit hex digits (in MT/s)
4800h = 4800 MT/s
1
37-38h
16
VIO Voltage ID
Four 4-bit hex digits (mV)
1125h = 1125 mV
1
39h
8
VIO Voltage Tolerance, High
Edge finger tolerance
Two 4-bit hex digits (mV)
15h = 15mV
1
3Ah
8
VIO Voltage Tolerance, Low
Edge finger tolerance
Two 4-bit hex digits (mV)
15h = 15mV
1
3B-3Eh
32
Reserved
Reserved for future use
00000000h
3F-40h
16
L2 Cache Size
Decimal (Kb) Per CPU Core
0100h = 256Kb
41-42h
16
L3 Cache Size
Decimal (Kb)
6000h = 24576Kb, 4800h = 
18432Kb, 3000h = 12288Kb
43-44
16
Cache Voltage ID
Four 4-bit hex digits (mV)
1500h = 1500 mV
1
45h
8
Cache Voltage Tolerance, High
Allowable positive DC shift
Two 4-bit hex digits (mV)
15h = 15mV
1
46h
8
Cache Voltage Tolerance, Low
Allowable negative DC shift
Two 4-bit hex digits (mV)
15h = 15mV
1
47-4Ah
32
Reserved
Reserved for future use
00000000h
4Bh
8
Checksum
1 byte checksum
Add up by byte and take 2’s 
complement.
Package
4C-4Fh
32
Package Revision
Four 8-bit ASCII characters
01.0
50h
6/2
Substrate Revision Software ID
First 6 bits reserved
000000**
51-52h
16
Reserved
Reserved for future use
0000h
53h
8
Checksum
1 byte checksum
Add up by byte and take 2’s 
complement.
Offset/
Section
# of 
Bits
Function
Notes
Examples