User Guide

12
A
A
X
X
4
4
5
5
F
F
-
-
4
4
D
D
S
S
e
e
r
r
i
i
e
e
s
s
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
F
F
e
e
a
a
t
t
u
u
r
r
e
e
H
H
i
i
g
g
h
h
l
l
i
i
g
g
h
h
t
t
CPU
Supports Intel
®
Socket 478 Pentium
®
4 1.6GHz~3.20GHz+ with 400/533/800MHz Front Side Bus (FSB) designed for Socket 478
technology. The AX45F-4D Series motherboard supports Intel Hyper-Threading Technology.
Chipset
The motherboard is equipped with SIS 655FX chipset. The SIS 655FX Host & Memory & AGP Controller integrates a high performance
host interface for Intel Pentium 4 processor, a high performance memory controller, an AGP interface and SiS MuTIOL 1G Technology
connecting with SiS964 MuTIOL 1G Media IO. The host interface plays the role of processor transactions’ dispatcher. It dispatches
transactions to Memory, I/O interface and AGP bus. Transactions to different destinations can be dispatched concurrently in order to
maximum pipeline efficiency. The Memory controller supports DDR 400/333/266 RAM and the Suspend to RAM function by retaining the
CKE# pins asserted in ACPI S3 state in which only AUX source deliver power. The AGP interface supports external AGP slot with AGP
4X/8X capability and Fast Write Transactions.
Memory
With SiS 655FX/964 chipset, this motherboard can support dual channel Double-Data-Rate (DDR) SDRAM. The dual channel mode
allows chipsets to get data in 128 bit and zero wait state bursting between the RAM. The data transfer at 266/333/400MHz. The four
slots of DDR SDRAM can be composed of an arbitrary mixture of 64, 128, 256, 512 MB or 1GB DDR SDRAM and maximum up to 4GB.