#0 - rafal893dfx - 2015-02-27 22:43
Version Marks AK12/AK12A
The stickers with the version numbers can be found on various places.
Mainboard AK12 AK12A
(also: AK123 o. AK12 V3.0)
Mark
(see picture) Board-Version 1.1
LOT/BOM 11...15
Ser.-Nr: AK12... Board-Version 3.0
LOT/BOM from 31
Ser.-Nr: AK12A...
Northbridge
(determines FSB-frequency) VIA KT133 / VT8363
supports 200MHz FSB
(100MHz Bus frequency) VIA KT133A / VT8363A
supports 266MHz FSB
(133MHz Bus frequency)
Southbridge
(hold IDE-controller) VIA VT82C686A
supports ATA-66 or
VIA VT82C686B
supports ATA-100 VIA VT82C686B
supports ATA-100
Specification
Chipset of AK12 (Version 1.x)
VIA Apollo KT133 chipset
Northbridge: VIA VT8363 (supports 200MHz FSB)
Southbridge: VIA VT82C686A (ATA-66) or VT82C686B (ATA-100)
Chipset of AK12A (Version 3.x)
VIA Apollo KT133A chipset
Northbridge: VIA VT8363A (supports 266MHz FSB)
Southbridge: VIA VT82C686B (supports ATA-100)
Socket A CPU Supports
supports 462Pin socket A processors
AMD-Processor Mainboard AK12 Mainboard AK12A
Athlon XP T-Bred no up to 2400+ from BOM36 *)
Athlon XP Palomino
and Duron with Morgan-Core no up to 2100+ from BOM36 *)
Athlon-C 266MHz FSB no 1000... 1333+ MHz
1400 MHz from BOM33 *)
Athlon 200MHz FSB 650... 1300+ MHz 650... 1300+ MHz
1400 MHz from BOM33 *)
Duron (Morgan) no 1000... 1300 MHz
Duron 550... 950+ MHz 550... 950 MHz
On the left: Palomino (Modell 6), on the right: Thoroughbred (T-Bred, Modell 8)
*) LOT resp. BOM-sticker, see picture above
Automatic adjustment of the CPU Vcore-voltage
AK12: Manual adjustment of the Bus frequency in BIOS-setup from 100 up to 112MHz in 10 steps possible
Expansion Slots
1 x A.G.P. (4X mode), 3, 3V
5 x 32 Bit PCI (all Busmasters)
1 x AMR (Audio Modem Riser)
Onboard IDE Controller
2-Kanal Enhanced PCI IDE
for up to 4 IDE devices
The board-version featuring the South-Bridge-Chip
VT82C686A supports up to UltraDMA/66
The board-version featuring the South-Bridge-Chip
VT82C686B supports up to UltraDMA/100
Delivery with ATA-100-cable
Hardware monitoring
for voltage, temperature and fan
More interfaces
1 x Floppy drive (up to 2, 88 MB)
1 x Parallel (SSP/EPP/ECP)
2 x Serial (16550 compatible, Fifo)
4 x USB
1 x Infrared (IrDA-adapter not included in delivery)
1 x PS/2-Mouse
1 x PS/2-Keyboard
1 x WOL (Wake on Lan)
1 x WOM (Wake on Modem)
Memory
3 x 168-Pin DIMM-socket
for up to 1, 5 GB memory SDRAM or VCM
with 16, 32, 64, 128, 256 and 512 MB size
Soundfunction
Software-Audio with AC'97 2.1 conforming CODEC onboard
Power Management
Power saving modes: Doze, Standby and Suspend
ACPI (Advanced Configuration and Power Interface)
supports Suspend to RAM
power on via modem, timer, network, PCI-card
automatic power on after power failure
On/Off-button with two function: Suspend-mode / soft-off
BIOS
2 MBit Flash EPROM
Form Factor
ATX: 22 x 30, 5 cm