Despite what other might be saying, it would seem that Asus is indeed still making their K8T890-based 939-pin motherboard for Athlon 64 processors and PCI Express GPUs.  Specifications are below from this link at

Asus A8V-E using VIA K8T890 Chipset - Motherboards 3
CPU Socket 939 for AMD Athlon 64FX / Athlon 64
AMD64 architecture enables simultaneous 32- and 64-bit computing
Supports AMD Cool ‘n’ Quiet Technology
Chipset VIA K8T890
System Bus 2000 MT/s
Memory 4 x 184-pin DIMM Sockets support max. 4GB DDR400/DDR333/DDR266 ECC/un-ECC un-buffered DDR SDRAM memory
Dual Channel Memory Architecture
Expansion Slots 1 x PCI-E X16
2 x PCI-E X 1
3 x PCI
Storage South Bridge:
– 2 x UltraDMA 133/100/66/33
– 2 x Serial ATA, support RAID 0, RAID 1, and JBOD
Audio Realtek ALC850, 8-channel CODEC
Audio Sensing and Enumeration Technology
Three Universal Audio Jack (UAJ®)
Coaxial/Optical S/PDIF out ports on back I/O
LAN Marvell 88E8053 GbE Gigabit Lan PCI Controller supporting 10/100/1000 BASE-T Ethernet r, features AI NET2
Virtual Cable Tester? (VCT) Net-Diagnosing Utility
IEEE 1394 TI TSB43AB22A 1394 Controller supports 2 x 1394 ports
USB 2.0 8 USB2.0 ports
ASUS AI Proactive Features Precision Tweaker
PEG (PCI Express Graphics) Link Mode
AI NOS™ (Non-delay Overclocking System)
WiFi-g™ powered by WiFi@HOME™ technology
AI NET2 network diagnosis before entering OS
Overclocking Features AI NOS™ (Non-delay Overclocking System)
PEG (PCI Express Graphics) Link Mode
Precision Tweaker offers ways to raise system performance inch-by-inch and step-by-step to achieve maximum performance!
AI Overclocking (intelligent CPU frequency tuner)
CPU, Memory, and PCIe x16 voltage adjustable
SFS (Stepless Frequency Selection) from 100MHz up to 400MHz at 1MHz increment
Adjustable FSB/DDR ratio. Fixed PCI/PCIe frequencies. ASUS C.P.R.(CPU Parameter Recall)
Other ASUS Special Features CrashFree BIOS 2 Q-Fan2
Post Reporter
Multi-language BIOS
ASUS Instant Music Lite
Back Panel I/O Ports 1 x Parallel
1 x Serial
1 x PS/2 Keyboard
1 x PS/2 Mouse
1 x 8-channel Audio I/O
1 x RJ45
1 x Optical S/PDIF Output
1 x Coaxial S/PDIF Output
4 x USB 2.0/1.1
1 x IEEE1394
Internal I/O Connectors 2 x USB 2.0 connector supports additional 4 USB 2.0 ports
CPU / Chassis / Power FAN connectors
20-pin ATX Power connector
4-pin ATX 12V Power connector
Chassis Intrusion
CD / AUX audio in
IEEE1394 port
GAME/MIDI connector
COM connector
Front panel audio connector
BIOS Feature 4 Mb Flash ROM, Award BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3
Industry Standard PCI 2.2 , USB 2.0
Manageability WfM 2.0,DMI 2.0,WOL by PME,WOR by PME, Chassis Intrusion
Support CD Drivers
Anti-virus software (OEM version)
ASUS LiveUpdate Utility
InterVideo® WinDVD Suite (OEM version)
1 x Wireless LAN antenna
User’s manual
2 x UltraDMA cables
IDE cable
FDD cable
2 x Serial ATA cables
1 x 2-port SATA power cables
2-port USB2.0 / Game module
I/O shield
IEEE1394 cable
Form Factor ATX Form Factor, 12″ x 9.6″(30.5cm x 24.5cm)
Asus A8V-E using VIA K8T890 Chipset - Motherboards 4