AMD ADA4200DAA5BV Builders Guide - Page 30

Builder's Guide for AMD Athlon™ 64 Processor-Based Desktops and Workstations 31684 Rev. 3.00 September 2004 Table 3. AMD Athlon™ 64 Processor Series (Continued) Series AMD Athlon™ 64 FX (939-Pin or 940-Pin) Processor AMD Athlon™ 64 (939-Pin) Processor Memory Type Registered (940-pin) / Unbuffered Unbuffered (939-pin) Memory Width 128-bit + ECC or 64-bit + ECC 128-bit + ECC or 64-bit + ECC DIMM Sizes 32 Mbytes - 4 Gbytes 32 Mbytes - 1 Gbyte (940-pin) / 32 Mbytes - 1 Gbyte (939-pin) DRAM Devices 4, 8, and 16 bits wide 8 and 16 bits wide (940-pin) / 8 and 16 bits wide (939-pin) ECC DRAM protection Yes Yes HyperTransport™ Yes Yes technology HyperTransport™ link 16 bits x 16 bits width 16 bits x 16 bits HyperTransport™ bus 800 MHz (940-pin) / frequency 1.0 GHz (939-pin) 1.0 GHz AMD64 Yes Yes HyperTransport™ bandwidth 6.4 Gbytes/s (940-pin) / 8 Gbytes/s 8 Gbytes/s (939-pin) Simultaneous 32- and Yes Yes 64-bit computing L1 Cache size (data/instruction) 64 Kbytes/64 Kbytes 64 Kbytes/64 Kbytes L2 Cache size 1 Mbyte 512-Kbyte and 1-Mbyte options Pipeline stages 12/17 (integer/floating point) 12/17 AMD Athlon™ 64 (754-Pin) Processor Registered or unbuffered (not interchangeable, board designed for one or the other) 64-bit + ECC 32 Mbytes - 1 Gbyte (unbuffered) 32 Mbytes - 4 Gbytes (registered) 4, 8, and 16 bits wide Yes Yes 16 bits x 16 bits 800 MHz Yes 6.4 Gbytes/s Yes 64 Kbytes/64 Kbytes 256-Kbyte, 512-Kbyte, and 1-Mbyte options 12/17 30 Hardware Considerations Chapter 4