VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 


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Page 7/128:

PCI to ISA Bridge

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PCI S
UPER
PC99 C
I
WITH
NTEGRATED
I
H
NTEGRATED
ARDWARE
U
DMA-33/66/100 M
LTRA
USB C
ONTROLLER
D
ISTRIBUTED
ACPI, E
NHANCED
T
EMPERATURE
Inter-operable with VIA and other Host-to-PCI Bridges
Combine with VT82C598 for a complete Super-7 (66/75/83/100MHz) PCI / AGP / ISA system (Apollo MVP3)
Combine with VT8501 for a complete Super-7 system with integrated 2D / 3D graphics (Apollo MVP4)
Combine with VT82C693 for a complete 66 / 100 / 133 MHz Socket-370 or Slot-1 system (Apollo Pro133)
Combine with VT8601 for a complete 66 / 100 / 133 MHz Socket-370 or Slot-1 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 / ISA system

PCI to ISA Bridge

Integrated ISA Bus Controller with integrated DMA, timer, and interrupt controller
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 USB Controller with root hub and four function ports
Integrated UltraDMA-33/66/100 master mode EIDE controller with enhanced PCI bus commands
PCI-2.2 compliant with delay transaction and remote power management
Eight double-word line buffer between PCI and ISA bus
One level of PCI to ISA post-write buffer
Supports type F DMA transfers
Distributed DMA support for ISA legacy DMA across the PCI bus
Serial interrupt for docking and non-docking applications
Fast reset and Gate A20 operation
Edge trigger or level sensitive interrupt
Flash EPROM, 4Mb EPROM and combined BIOS support
Supports positive and subtractive decoding
Revision 1.71 June 9, 2000
VT82C686B PSIPC
-I/O I
P
NTEGRATED
ERIPHERAL
PCI-
OMPLIANT
TO
S
-I/O (FDC, LPT, C
UPER
S
OUNDBLASTER
M
ASTER
ODE
, K
EYBOARD
DMA, S
IRQ, P
ERIAL
P
M
OWER
ANAGEMENT
, V
,
F
OLTAGE
AND
-1-
C
ONTROLLER
-ISA B
RIDGE
1/2,
OM
AND
/D
S
AC97 A
IRECT
OUND
PCI-EIDE C
ONTROLLER
C
, RTC,
ONTROLLER
P
,
LUG AND
LAY
, SMB
,
US
AND
-S
M
AN
PEED
ONITORING
VT82C686B
IR),
,
UDIO
,
Features