Pentium
®
II
Processor at 350 MHz, 400 MHz, and 450 MHz
4 Datasheet
5.2 S.E.C.C.2 Mechanical Specification....................................................................52
5.3 Processor Package Materials Information ..........................................................57
5.4 Pentium
®
II Processor Signal Listing ..................................................................58
6.0 Boxed Processor Specifications.......................................................................................64
6.1 Introduction .........................................................................................................64
6.2 Mechanical Specifications...................................................................................66
6.2.1 Boxed Processor Fan Heatsink Dimensions..........................................66
6.2.2 Boxed Processor Fan Heatsink Weight..................................................69
6.2.3 Boxed Processor Retention Mechanism and Fan Heatsink Supports....69
6.3 Boxed Processor Requirements .........................................................................72
6.3.1 Fan Heatsink Power Supply...................................................................72
6.4 Thermal Specifications........................................................................................73
6.4.1 Boxed Processor Cooling Requirements ...............................................73
7.0 Pentium
®
II Processor Signal Description........................................................................74
7.1 Alphabetical Signals Reference ..........................................................................74
7.2 Signal Summaries...............................................................................................81
Figures
1 Second Level (L2) Cache Implementations .........................................................8
2 AGTL+ Bus Topology..........................................................................................11
3 Stop Clock State Machine...................................................................................11
4 100/66# Pin Example..........................................................................................20
5 BCLK to Core Logic Offset..................................................................................33
6 BCLK, PICCLK, and TCK Generic Clock Waveform...........................................34
7 System Bus Valid Delay Timings........................................................................34
8 System Bus Setup and Hold Timings..................................................................34
9 System Bus Reset and Configuration Timings....................................................35
10 Power-On Reset and Configuration Timings.......................................................35
11 Test Timings (TAP Connection)..........................................................................36
12 Test Reset Timings .............................................................................................36
13 BCLK, TCK, PICCLK Generic Clock Waveform at the Processor Core Pins......37
14 BCLK, TCK, PICCLK Generic Clock Waveform at the Processor Edge
Fingers................................................................................................................38
15 Low to High AGTL+ Receiver Ringback Tolerance.............................................40
16 Non-AGTL+ Overshoot/Undershoot, Settling Limit, and Ringback .....................40
17 Pentium
®
II Processor S.E.C.C. - Side View.......................................................42
18 Pentium
®
II Processor (S.E.C.C. Package)—Top and Side View.......................45
19 Pentium
®
II Processor (S.E.C.C. Package)—Extended Thermal Plate Side
Dimensions .........................................................................................................46
20 Pentium
®
II Processor (S.E.C.C. Package)—Bottom View Dimensions.............46
21 Pentium
®
II Processor (S.E.C.C. Package)—Latch Arm, Extended Thermal
Plate Lug, and Cover Lug Dimensions................................................................47
22 Pentium
®
II Processor (S.E.C.C. Package)—Latch Arm, Extended Thermal
Plate, and Cover Detail Dimensions (Reference Dimensions Only) ...................48
23 Pentium
®
II Processor (S.E.C.C. Package)—Extended Thermal Plate
Attachment Detail Dimensions............................................................................49