MSI K7t266 Pro2u Manual

i
K7T266 Pro2-U/UL
Version 1.2
G52-M6593X5
MS-6593 (v1.X) ATX Mainboard 

ii Manual Rev: 1.2
Release Date: Nov.  2002
FCC-B Radio Frequency Interference Statement
This equipment has been tested and found to comply with the limits for a class
B digital device, pursuant to part 15 of the FCC rules. These limits are designed
to provide reasonable protection against harmful interference when the equip-
ment is operated in a commercial environment. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in accor-
dance with the...

iii
Copyright Notice
The material in this document is the intellectual property of MICRO-STAR
INTERNATIONAL. We take every care in the preparation of this document,
but no guarantee is given as to the correctness of its contents.  Our products
are under continual improvement and we reserve the right to make changes
without notice.
Trademarks
All trademarks are the properties of their respective owners.
AMD, Athlon™, Athlon™ XP, Thoroughbred™, and Duron™ are registered
trademarks of AMD Corporation.
PS/2...

iv 1. Always read the safety instructions carefully.
2. Keep this User’s Manual for future reference.
3. Keep this equipment away from humidity.
4. Lay this equipment on a reliable flat surface before setting it up.
5. The openings on the enclosure are for air convection hence protects the
equipment from overheating.  DO NOT COVER THE OPENINGS.
6. Make sure the voltage of the power source and adjust properly 110/220V
before connecting the equipment to the power inlet.
7. Place the power cord such a way...

v
CONTENTS
Chapter 1. Getting Started........................................................................ 1-1
Mainboard Specifications.................................................................... 1-2
Mainboard Layout............................................................................... 1-4
MSI Special Features........................................................................... 1-5
Fuzzy Logic™ 4............................................................................. 1-5...

vi D-Bracket™ 2 Connector: JLED..................................................2-13
Jumpers..............................................................................................2-14
Clear CMOS Jumper: JBAT1........................................................2-14
FSB Clock Jumper: SW3..............................................................2-14
Slots...................................................................................................2-15
PCI Interrupt Request Routing...

1-1
Getting Started
Chapter 1. Getting
Started
Thank you for purchasing the K7T266 Pro2-U/UL (MS-
6593 v1.X) ATX mainboard. The K7T266 Pro2-U/UL are based
on VIA
® Apollo KT266A & VT8235 chipsets for optimal sys-
tem efficiency. Designed to fit the advanced AMD® Athlon™,
Athlon™ XP or Duron™ processors, the K7T266 Pro2-U/UL
deliver a high performance and professional desktop platform
solution.
Getting Started 

1-2
MS-6593 ATX Mainboard
Mainboard Specifications
CPU
h Supports Socket A (Socket-462) for AMD® Athlon™/Athlon™ XP /Duron™
processors.
h Supports up to 2600
+ (1.8GHz) or higher speed.
Chipset
h VIA
® KT266A chipset
- FSB @200/266MHz.
- Supports DDR200/266 memory.
- AGP 4X and PCI advanced high performance memory controller.
h VIA
® VT8235 chipset
- Integrated Direct Sound AC97 audio.
- Dual channel Ultra DMA 33/66/100/133 master mode EIDE controller.
- ACPI & PC2001 compliant enhanced power...

1-3
Getting Started
- 2 serial ports (COM A + COM B)
- 1 parallel port supports SPP/EPP/ECP mode
- 1 audio/game port
- 6 USB 2.0 ports (Rear * 2/ Front * 4)
Audio
h RealTek ALC650 6-channel audio.
LAN  (Optional)
h 10/100Mbps Ethernet onboard.
BIOS
h The mainboard BIOS provides “Plug & Play” BIOS which detects the pe-
ripheral devices and expansion cards of the board automatically.
h The mainboard provides a Desktop Management Interface (DMI) function
which records your mainboard specifications....

1-4
MS-6593 ATX Mainboard
Mainboard Layout
K7T266 Pro2-U/UL (MS-6593 v1.X) ATX Mainboard
BATT
+
VT8235 VIA
KT266A
DDR 1
DDR 2
J3
ATX
Power Supply
JBAT1
JAUD1
SOCKET 462
BIOS
PCI Slot 5
PCI Slot 6PCI Slot 4 PCI Slot 3 PCI Slot 2PCI Slot 1
JFP1 JFP2 JUSB2 JUSB3 JLED
T:  L A N  J a c k 
B: USB Ports(Optional)
Top: 
Parallel Port
Bottom: 
COM A
COM B Top: Mouse 
Bottom: Keyboard
J10CFAN1
JPW1
IDE 2 IDE 1
SFAN1
Winbond
W83697HF
Re al Te k
ALC650
Top:
Game Port
Bottom: 
Line-Out
Line-In
Mic
FDD 1
AGP Slot
SW3