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ABIT AN7 (NVIDIA nForce2 Ultra 400)
By CPU-zilla
Category : Mainboard
Published by Jimmy Tang on Wednesday, 21st April, 2004
Rating : 4.5 out of 5 stars  


If you recall, the ABIT AN7 was the official motherboard used in Singapore's first ever overclocking competition which was organized by Hardware Zone some time ago. With ABIT's brand being synonymous with the overclocking community everywhere in the world, it was much welcomed as the motherboard of choice especially in a competition where even a tiny 1MHz gained at the core or memory clock could mean an immediate lead in the contest.

The ABIT AN7 is based on the NVIDIA nForce2 Ultra 400 chipset and although it has been around for quite a while, it is still a rather popular board among budget DIYers and overclockers. Though a lot of attention has shifted to AMD's current 64-bit technology, a large part of users are still very comfortable with the Athlon XP (in particular those based on the Barton core which comes with a 512KB L2 cache). As such, the Socket-A form factor will continue to live on until AMD decides to pull the plug on the aged K7 technology - which is still going pretty strong even by today's demanding compute intensive environment.

We know this motherboard is nothing new, but we thought it would be good for the sake of the interest of those considering this board. Therefore, we picked out the ABIT AN7 and decided to have it featured in our reviews section today (aren't you tired of all the new things you read today that you can't even buy?).

The ABIT AN7 motherboard.

Inside the package, you'll find the following items :-

  • The ABIT AN7 motherboard
  • User's manual
  • Quick installation guide
  • µGuru manual
  • Driver CD & SATA driver floppy disk
  • 2x SATA cable
  • 1x Ultra ATA-133 ribbon cable
  • 1x Floppy drive cable
  • SATA Y-power cable

    So, before we get into its features, let's have a look at the board's technical specifications below :-

    ABIT AN7 Technical Specifications
    • Socket A for AMD Athlon XP / Duron processors
    • AMD Athlon Processors up to 1.4GHz
    • AMD Athlon XP Processors 1500+ to 3200+
    • AMD Duron Processors up to 1.3GHz or higher
    • Supports processors with 200 / 266 / 333 / 400MHz front side bus
    • NVIDIA nForce2 Ultra 400 SPP North Bridge
      • Supports DDR200 / DDR266 / DDR333 / DDR400 memory technology up to 3GB
      • 200 / 266 / 333 / 400MHz front side bus
      • AGP 8x / 4x (0.8V / 1.5V)
      • Dynamic Adaptive Speculative (DASP)
      • DualDDR Memory Architecture
      • HyperTransport Bus (800MB/s)
    • NVIDIA nForce2 MCP-T South Bridge
      • NVIDIA Audio Processing Unit (with Dolby Digital Interactive Content Encoder)
      • NVIDIA StreamThru
      • NVIDIA Enhanced Communications Suite
      • NVIDIA DualNet
      • 2-channel Ultra ATA 133/100/66/33 Bus Mastering IDE controller
      • Supports up to six USB 2.0 ports
      • IEEE1394a/Firewire controller
      • Supports AC-97 audio and MC-97 modem codec
      • PCI 2.2 interface
      • HyperTransport Bus (800MB/s)
    Cache memory
    • CPU Built-in 512KB (Athlon XP -Barton core) or 256KB (Athlon/Athlon XP) or 64KB (Duron) L2 cache
    System memory
    • 3 x 184-pin DDR SDRAM DIMM
    • Supports DDR 266/333/400 DIMM Module
    • Supports three DDR 266/333 un-buffered DIMMs
    • Supports two DDR 400 un-buffered DIMMs
    • Supports 2.5V DDR SDRAM
    • Dual DDR Memory Architecture
    • 2 x bus master UDMA-33/66/100/133 IDE ports (up to 4 devices)
      • Support for PIO, UDMA-33, UDMA-66, UDMA-100, UDMA-133 IDE devices
    • On-board SiI3112A SATA RAID controller supporting two SATA hard drives
    I/O Interface
    • 1x floppy connector (360KB - 2.88MB)
    • 1x serial port
    • 1x parallel port (SPP/EPP/ECP)
    • 1x PS/2 Keyboard
    • 1x PS/2 Mouse
    • 6x USB 2.0 ports (4x ports in the rear, 2x ports via brackets)
    • 2 x IEEE1394a/Firewire (Texas Instruments TSB41AB2) ports (1x in the rear, 1x via bracket)
    • Audio ports for on-board sound (Front speaker, Line-in, Mic-in, Center/Sub, Surround) based on 6-channel Realtek ALC658 AC'97 sound codec and NVIDIA SoundStorm APU.
    • Optical S/PDIF-In and S/PDIF-Out ports
    • 1x  RJ-45 10/100 LAN port (based on NVIDIA's MCP-T built-in Ethernet MAC)
    Expansion slots
    • 5x 32-bit PCI slots, PCI 2.2 compliant
    • 1 x 1.5V / 0.8V AGP 2.0/3.0 (2x/4x/8x mode) slot
    Power Management
    • Supports ACPI (Advanced Configuration and Power Interface)
    • Supports Suspend to RAM (S3)
    • WOR / Wake by PME# of PCI / Wake by Alarm
    • Power-on by switch, keyboard, mouse
    • Power-off by Windows 95/98/Me/2000/XP/NT shut down and switch
    Form Factor
    • ATX Form Factor : 30.5cm x 24.5cm
    • Fits into regular ATX case
    • 4Mbit (512KB) Flash ROM
    • Award Flash BIOS with PnP, APM, DMI, and ACPI support
    • Multi-boot on LS120, ZIP, ATAPI CD-ROM, SCSI, IDE #1, #2, #3, #4
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