Specifications
PENTIUM® PRO PROCESSOR AT 150, 166, 180, and 200 MHz E
2
CONTENTS
PAGE PAGE
1.0. INTRODUCTION ...............................................4
1.1. TERMINOLOGY.............................................4
1.2. REFERENCES...............................................4
2.0. PENTIUM
®
PRO PROCESSOR
ARCHITECTURE OVERVIEW..........................4
2.1. Full Core Utilization ........................................5
2.2. The Pentium
®
Pro Processor Pipeline...........6
2.3. Architecture Summary..................................11
3.0. ELECTRICAL SPECIFICATIONS...................11
3.1. The Pentium
®
Pro Processor Bus and V
REF
11
3.2. Power Management: Stop Grant and Auto
HALT ............................................................11
3.3. Power and Ground Pins ...............................12
3.4. Decoupling Recommendations ....................12
3.5. BCLK Clock Input Guidelines.......................14
3.6. Voltage Identification ....................................16
3.7. JTAG Connection.........................................17
3.8. Signal Groups...............................................17
3.9. PWRGOOD..................................................18
3.10. THERMTRIP# ............................................19
3.11. Unused Pins ...............................................19
3.12. Maximum Ratings.......................................20
3.13. DC Specifications.......................................20
3.14. GTL+ Bus Specifications............................24
3.15. AC Specifications .......................................24
3.16. Flexible Motherboard Recommendations...35
4.0 GTL+ Interface Specification..........................36
4.1. System Specification....................................37
4.2. General GTL+ I/O Buffer Specification.........46
4.3. Package Specification..................................55
4.4. Ref8N Network.............................................55
5.0 3.3V Tolerant Signal Quality Specifications.58
5.1. OVERSHOOT/UNDERSHOOT
GUIDELINES ...............................................58
5.2. RINGBACK SPECIFICATION .....................59
5.3. SETTLING LIMIT GUIDELINE.....................59
6.0. THERMAL SPECIFICATIONS........................59
6.1. Thermal Parameters.....................................60
6.2. Thermal Analysis..........................................62
7.0. MECHANICAL SPECIFICATIONS .................64
7.1. Dimensions...................................................64
7.2. Pinout............................................................67
8.0. OVERDRIVE
®
PROCESSOR SOCKET
SPECIFICATION .............................................77
8.1. Introduction...................................................77
8.2. Mechanical Specifications ............................77
8.3. Functional Operation of OverDrive
®
Processor Signals ........................................85
8.4. OverDrive
®
Processor Electrical
Specifications ...............................................87
8.5. Thermal Specifications .................................90
8.6. Criteria for OverDrive
®
Processor ...............91
APPENDIX A ..........................................................97
A.1 A[35:3]# (I/O).................................................97
A.2 A20M# (I).......................................................97
A.3 ADS# (I/O).....................................................98
A.4 AERR# (I/O)..................................................99
A.5 AP[1:0]# (I/O) ................................................99
A.6 ASZ[1:0]# (I/O)..............................................99
A.7 ATTR[7:0]# (I/O)..........................................100
A.8 BCLK (I) ......................................................100
A.9 BE[7:0]# (I/O) ..............................................100
A.10 BERR# (I/O)..............................................101
A.11 BINIT# (I/O)...............................................101
A.12 BNR# (I/O) ................................................101
A.13 BP[3:2]# (I/O) ............................................102
A.14 BPM[1:0]# (I/O) .........................................102
A.15 BPRI# (I) ...................................................102
A.16 BR0#(I/O), BR[3:1]# (I) .............................102
A.17 BREQ[3:0]# (I/O).......................................103
A.18 D[63:0]# (I/O) ............................................103
A.19 DBSY# (I/O) ..............................................104