
VT8231
Preliminary Revision 0.8
October 29, 1999
-1-
Features
7HFKQRORJLHV,QF
:H &RQQHFW
VT8231
S
OUTH
B
RIDGE
PC99 C
OMPLIANT
I
NTEGRATED
S
UPER
-I/O (FDC, LPT, C
OM
,
AND
FIR),
I
NTEGRATED
F
AST
E
THERNET
, LPC, ISA / LPC BIOS ROM,
I
NTEGRATED
S
OUNDBLASTER
P
RO
/ M
ULTI
C
HANNEL
D
IRECT
S
OUND
AC97 A
UDIO AND
MC97 M
ODEM
I
NTERFACE
,
U
LTRA
DMA-33/66/100 M
ASTER
M
ODE
EIDE C
ONTROLLER
,
4 P
ORT
USB C
ONTROLLER
, K
EYBOARD
C
ONTROLLER
, RTC,
S
ERIAL
IRQ, SMB
US
, S
ERIAL
EEPROM,
P
LUG AND
P
LAY
, ACPI, E
NHANCED
P
OWER
M
ANAGEMENT
,
T
EMPERATURE
, V
OLTAGE
,
AND
F
AN
-S
PEED
M
ONITORING
Inter-operable with VIA and other Host-to-PCI Bridges
Combine with VT82C598 for a complete Super-7 (66 / 75 / 83 / 100MHz) AGP 2x system (Apollo MVP3)
Combine with VT8501 for a complete Super-7 system with integrated 2D / 3D graphics (Apollo MVP4)
Combine with VT82C694X for a complete 66 / 100 / 133 MHz Socket370 / Slot1 AGP 4x system (Apollo Pro133A)
Combine with VT8601 for a complete 66 / 100 / 133 MHz Socket370 / Slot1 system with integrated 2D / 3D
graphics (Apollo ProMedia)
Inter-operable with Intel or other Host-to-PCI bridges for a complete PC99 compliant PCI / AGP / LPC system
Integrated Peripheral Controllers
Integrated Fast Ethernet Controller with 1 / 10 / 100 Mbit capability
Integrated USB Controller with two root hub and four function ports
Dual channel UltraDMA-33 / 66 /100 master mode EIDE controller
AC-link interface for AC-97 audio codec and modem codec
HSP modem support
Interface for optional external modem DSP
Integrated SoundBlasterPro / DirectSound compatible digital audio controller
LPC interface for Low Pin Count interface to Super-I/O or ROM
Integrated Legacy Functions
Integrated Keyboard Controller with PS2 mouse support
Integrated DS12885-style Real Time Clock with extended 256 byte CMOS RAM and Day/Month Alarm for ACPI
Integrated Bus Controller including DMA, timer, and interrupt controller
Serial IRQ for docking and non-docking applications
Flash EPROM, 32Mbit (4Mbyte) EPROM and combined BIOS support
Fast reset and Gate A20 operation