Hardware Characteristics
The Cartridge
Figure 29-1 on page 722 illustrates the Pentium® Xeon cartridge. It represented a different form factor than the Pentium® II Slot 1 cartridge. It was physically larger and had different pinouts—more power and ground pins (because the larger, faster L2 Cache drew more power than the Pentium® II's L2 Cache).
Figure 29-1. The Pentium® II Xeon Cartridge
FSB Protocol Alteration (GTL+ to AGTL+)
Due to the faster FSB (100MHz versus 66MHz), Intel® changed the GTL+ specification and referred to the modified specification as the AGTL+ specification (Assisted GTL +).
On a GTL+ FSB, a signal that had been driven low ...
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