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VT82C586A
Preliminary Revision 0.1
October 13, 1996
-1-
Features
VT82C586A PIPC
PCI I
NTEGRATED
P
ERIPHERAL
C
ONTROLLER
PC97 C
OMPLIANT
PCI-
TO
-ISA B
RIDGE
WITH
P
LUG AND
P
LAY
, USB C
ONTROLLER
,
M
ASTER
M
ODE
IDE C
ONTROLLER WITH
U
LTRA
DMA-33,
K
EYBOARD
C
ONTROLLER AND
R
EAL
T
IME
C
LOCK
PC97 Compliant 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 128 byte CMOS RAM
Integrated USB controller with root hub and two function ports
Integrated master mode enhanced IDE controller with enhanced PCI bus commands
PCI-2.1 compliant with delay transaction
Four double-word line buffer between PCI and ISA bus
Supports type F DMA transfers
Fast reset and Gate A20 operation
Edge trigger or level sensitive interrupt
Flash EPROM, 2MB EPROM and combined BIOS support
Programmable ISA bus clock
Inter-operable with Intel and other Host-to-PCI Bridges
Combine with VT82C595 for a complete Pentium / PCI / ISA system (Apollo VP2)
Combine with VT82C685/687 for a complete Pentium-Pro /PCI / ISA system (Apollo P6)
Inter-operable with other Intel or non-Intel Host-to-PCI bridges for a complete PC97 compliant PCI/ISA system
Enhanced Master Mode PCI IDE Controller with Extension to UltraDMA-33
Dual channel master mode PCI supporting four Enhanced IDE devices
Transfer rate up to 22MB/sec to cover PIO mode 4 and multi-word DMA mode 2 drives and beyond
Extension to UltraDMA-33 / ATA-33 interface for up to 33MB/sec transfer rate
Sixteen levels (doublewords) of prefetch and write buffers
Interlaced commands between two channels
Bus master programming interface for SFF-8038i rev.1.0 and Windows-95 compliant
Full scatter and gather capability
Support ATAPI compliant devices
Support PCI native and ATA compatibility modes
Complete software driver support
Universal Serial Bus Controller
USB v.1.0 and Intel Universal HCI v.1.1 compatible
Eighteen level (doublewords) data FIFO with full scatter and gather capability
Root hub and two function ports with integrated physical layer transceivers
Legacy keyboard and PS/2 mouse support