Om de verwarring nog wat completer te maken komt Alpha Processor Inc. met Slot B. Slot B is zo'n beetje te vergelijken met wat Slot2 voor Slot1 is. Dus nu hebben we:
- socket7 (K6, MII, Winchip)
- socket370 (Celeron)
- Slot1 (PII, Celeron)
- Slot2 (Xeon)
- SlotA (Alpha, K7)
- SlotB (Alpha)
EBN heeft een artiel met info:
Like the “Slot 2” connector used by Intel Corp., Alpha Processor Inc. has developed a “Slot B” interface to allow the Alpha chip to further increase its performance.
The Alpha 21264 microprocessor includes a different connector designed to allow the Alpha to move to higher clock speeds, but also includes larger amounts of cache memory, the company announced yesterday. API announced volume quantities of the 21264 in both 500 and 600 MHz versions.
This will allow the Alpha chips to gain additional share in the workstation and server market, said Y.J. Kim, director of product marketing at API, Concord, Mass. However, Kim declined to release technical details of the new connector. “Slot A is similar to the Pentium II and Slot 1,” Kim said. “Slot B is similar to the Pentium II Xeon.”
Both the Slot 2 and the shorter Slot 1 connector were designed to use Intel's P6 bus; likewise, the Slot B interface uses the same EV-6 bus that other Alpha chips use.
Intel rival Advanced Micro Devices has also included the EV-6 bus inside its forthcoming K7 chip, which can plug into the older Slot A connector. A spokeswoman for AMD, Sunnyvale, Calif., declined to comment on whether a version of the K7 will be designed to plug into the “Slot B” connector, although sources close to the company indicated that competing in the higher-performance workstation and server market was not AMD's top priority.
As part of the consent agreement allowing the Intel/DEC deal to be completed, the Federal Trade Commission mandated that Samsung and another supplier manufacture the Alpha chip. AMD owns the rights to use the EV-6 Alpha bus, but its ongoing negotiations to license, and then manufacture, the Alpha chip itself remain in limbo.