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Review: Shuttle AK37 GT/R KT400 Motherboard

by Tarinder Sandhu on 19 October 2002, 00:00

Tags: Shuttle, AMD (NYSE:AMD), VIA Technologies (TPE:2388)

Quick Link: HEXUS.net/qanh

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It's up to motherboard manufacturers to take features provided by the KT400 chipset and amalgamate them into a workable motherboard. Let's now look at the Shuttle AK37 GT/R's detailed specifications to see what it brings to the features table.


  • Supports Socket A (Socket 462) for AMD® Athlon™ / Athlon XP / Duron™ processor
  • Supports 600MHz up to 2133MHz processor and higher (Thoroughbred compatible)
  • Support for 200 / 266FSB processors.


  • Northbridge: VIA KT400
  • Southbridge: VIA VT8235

System Memory

  • 3 x 184pin DDR
  • DDR200 / DDR266 / DDR33 /DDR400 support @ 2.5v
  • 4GB maximum system RAM (non-ECC) 3GB if using PC2700 memory


  • One AGP 8x AGP compliant (0.8v, 1.5v and 3.3v support)
  • 5 x 32-bit PCI 33MHz slots

On-board peripherals

  • 1 floppy port supports 2 FDD
  • 2 serial ports
  • 1 parallel port
  • 1 iRDA connector
  • PS/2 Keyboard
  • PS/2 Mouse
  • 3 Audio Jacks (ALC650)
  • VIA 10/100 on-board Ethernet
  • Game Port
  • 6 x USB 2.0 connectors from VT8235 SB (2 on-board + 4 by additional brackets)
  • Headers for S/PDIF and USB2.0
  • 4 fan headers


  • Realtek ALC650 6-channel sound, supports S/PDIF out.

On-board IDE

  • An IDE controller on the VIA VT8235 chipset provides IDE HDD/CD-ROM with PIO, Bus Master and Ultra DMA133/100/66/ operation modes
  • Can connect up to 4 IDE devices
  • Highpoint HPT372 IDE RAID controller, 2 channels providing support for 4 IDE devices.
  • ATA133 support
  • RAID 0, 1, 0+1 modes available.
  • Marvell Serial ATA 2-channel interface capable of 1.5Gbps (shared with IDE RAID)

BIOS & Voltages

  • Award BIOS
  • FSB speeds of 100Mhz - 200Mhz (quad-pumped)
  • 1.1v - 2.40v Vcore adjustable in 0.025v increments
  • 2.5v - 2.85v Vmem adjustable in 0.1v increments
  • 1.5 - 1.8v AGP Voltage adjustable in 0.1v increments
  • 4/1, 5/1 FSB:PCI dividers.

Quite a lot to digest here, I'll do that over the next few pages as we look at the packaging, layout, and BIOS options.