System Overview
RUBY-9712VG2A User’s Manual
1-6
1.4 System
Architecture
RUBY-9712VG2A includes Intel 915GV PCI Express chipset, Marvell 88E8053 PCI
Express x1 interface Gigabit Ethernet controller, Realtek ALC880 High Definition
Audio Codec and Winbond Super I/O.
The 915GV chipset supports the latest LGA775 package Intel Pentium 4 and Celeron
D processor with 800/533MHz front side bus; up to 2GB DDR 333/400 SDRAM
system memory in dual DIMM sockets; four PCI master; three SATA ports; one IDE
port and six USB 2.0 ports on RUBY-9712VG2A.
The Realtek ALC880 7.1 Channel High Definition Audio codecs also supports 32-bit
SPDIF input and output functions and sampling rate up to 96kHz, offering easy
connection to high quality consumer electronic products such as AC-3
decoders/speakers and mini disk devices.
Winboard Super I/O provides connection of PS/2 interface keyboard & mouse; dual
serial port; one parallel port; Watch-dog timer and GPIO interface.
C
T
R
L
33MHz
GBE
1000MB/s (10Gbps)
LPC
SATA 150M B/s
SATA #2
A
D
D
R
W83627THF
CLK410
82801F
IO
DDR DIMM B
PCI-E x1
1000Mb/s
PHY
FWH
A
D
D
R
Serial 2
PCI-E x1
33MHz
PCI-E x16
D
A
T
A
P
C
I
B
U
S
66MHz
AGTL+ BUS
PCI-E x1
DDR DIMM A
FSB800 4.3GB/s 800MT/s
FSB533 3.2GB/s 533MT/s
UDM A33/66//100
2.5Gb/s
CH-B
L
P
C
B
U
S
133/200MHz
Video
250MB/s
1000Mb/s
PHY
1.5Gb/s
Prescott / Tejas
HCLK
14.318MHz
Grantsdale
MCH
BGA1209
IDE Prim ary
PCI Express core clock 250MHz
Generated from fixed 100MHz
3.2GB/s(Single/Dual,Asymmetric,DDR333/400)
8.5GB/s(Dual,Interleaved,DDR2-533)
D
A
T
A
CH-A
Serial 1
IDE
L G A 7 7 5
C
T
R
L
I C H 6
BGA609
48MHz
GBE
FSB 800/533 Mhz
PCI-E x1
CF CARD
S y s t e m B l o c k D i a g r a m
Direct Media Interface
DMI 4 Lanes
L040
SATA #1
P r o c e s s o r
BCLK0
RUBY-9712VG2A Block Diagram