AMD Athlon™ 64 X2 3800+ ADA3800CUBOX Data Sheet

Product codes
ADA3800CUBOX
Page of 3
Advanced Micro Devices
AMD Athlon™ 64 X2
Dual-Core
Product Data Sheet
Compatible with Existing 32-Bit Code Base
Including support for SSE, SSE2, SSE3, MMX™, 
3DNow!™ technology and legacy x86 instructions
Runs existing operating systems and drivers
Local APIC on-chip
AMD64 Technology
AMD64 technology instruction set extensions
64-bit integer registers, 48-bit virtual addresses, 40-
bit physical addresses
Eight new 64-bit integer registers (16 total)
Eight new 128-bit SSE/SSE2/SSE3 registers (16 
total)
Dual-Core Architecture
Discrete L1 and L2 cache structures for each core
Integrated Memory Controller
Low-latency, high-bandwidth
128-bit DDR SDRAM at 100, 133, 166, and 200 
MHz
Supports up to four unbuffered DIMMs
ECC checking with double-bit detect and single-bit 
correct
HyperTransport™ Technology to I/O Devices
One 16-bit link supporting speeds up to 1 GHz (2000 
MT/s) or 4 Gigabytes/s in each direction
64-Kbyte 2-Way Associative ECC-Protected 
L1 Data Caches
Two 64-bit operations per cycle, 3-cycle latency
64-Kbyte 2-Way Associative Parity-Protected 
L1 Instruction Caches
With advanced branch prediction
16-Way Associative ECC-Protected 
L2 Caches
Exclusive cache architecture—storage in addition 
to L1 caches
Up to 1 Mbyte per L2 cache
Machine Check Architecture
Includes hardware scrubbing of major 
ECC-protected arrays
Power Management
Multiple low-power states
System Management Mode (SMM)
ACPI compliant, including support for processor 
performance states
Electrical Interfaces
HyperTransport™ technology: LVDS-like 
differential, unidirectional
DDR SDRAM: SSTL_2 per JEDEC specification
Clock, reset, and test signals also use DDR 
SDRAM-like electrical specifications
Packaging
939 pin lidded micro PGA
1.27-mm pin pitch
31x31 row pin array
40mm x 40mm organic substrate
Organic C4 die attach
Refer to the AMD Functional Data Sheet, 939 
Pin Package, order# 31411
, for functional, 
electrical, and mechanical details of 939-pin 
package processors.
33425
Publication #
3.00
Revision:
May 2005
Issue Date: