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**440 series:
***440FX (Natoma) 05/06/96...
***440LX (Balboa) 08/27/97...
***440BX (Seattle) c:Apr'98...
***440DX (?) c:?...
***440EX (?) c:Apr'98...
***440GX (Marlinespike) 06/29/98...
***440ZX & 440ZX-66 (?) 01/04/99...
***440ZX-M (?) 05/17/99...
***440MX (Banister) 05/17/99...
**450NX (?) 06/29/98:...
**????? (Profusion) c:99...
**800 series...
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*Unresearched:...
*VIA...
**SLXXXX Other chips
SL9091 Video Clock Chip
**
**VT82C470 "Jupiter", Chip Set (w/o cache) 386 [no datasheet] ?
**VT82C475 "Jupiter", Chip Set (w/cache) 386 [no datasheet] ?
**VT82C486/2/3 "GMC chipset" [no datasheet, some info] ?...
**VT82C495/480 "Venus" Chip Set [no datasheet] ?
**VT82C495/491 ? EISA Chip Set [no datasheet, some info] <93...
**VT82C496G Pluto, Green PC 80486 PCI/VL/ISA System <05/30/94...
**VT82C530MV 3.3V Pentium chipset [no datasheet, some info]<05/30/94...
**VT82C570M Apollo Master, Green Pentium/P54C <06/22/95...
**VT82C580VP Apollo VP, Pentium/M1/K5 PCI/ISA System <02/15/96
***Info:...
***Configurations:...
***Features:
o PCI/ISA Green PC Ready
o High Integration
- VT82C585VP system controller
- VT82C586 PCI to ISA bridge
- Two instances of the VT82C587VP data buffers
- Six TTLs for a complete main board implementation
o Flexible CPU Interface
- 64-bit P54C, K5 and M1 CPU interface
- CPU external bus speed up to 66Mhz (internal 200Mhz and above)
- Supports CPU internal write-back cache
- Concurrent CPU/cache and PCI/DRAM operation
- System management interrupt, memory remap and STPCLK mechanism
- Cyril M1 linear burst support
- CPU NA#/Address pipeline capability
o Advanced Cache Controller
- Direct map write back or write through secondary cache
- Burst Synchronous (Pipelined or non-pipelined), asynchronous
SRAM, and Cache Module support
- Eight-pin CWE# and GWE# control options
- Flexible cache size: 0K/256K/512K/1M/2MB
- 32 byte line size to match the primary cache
- Integrated 10-bit tag comparator
- 3-1-1-1 read/write timing for Burst Synchronous SRAM access at
66Mhz
- 3-1-1-1-1-1-1-1 back to back read timing for Burst Synchronous
SRAM access at 66Mhz
- Sustained 3 cycle write access for Burst Synchronous SRAM access
or CPU to DRAM and PCI bus post write buffers at 66Mhz
- 3-2-2-2 (read) and 4-2-2-2 (write) timing for interleaved
asynchronous SRAM access at 66Mhz
- Data streaming for simultaneous primary and secondary cache line
fill
- System and video BIOS cacheable and write-protect
- Programmable cacheable region and cache timing
- Optional combined tag and alter bit SRAM for write-back scheme
o Fast DRAM Controller
- Concurrent DRAM writeback
- Four Cache lines (16 quadwords) of CPU/cache to DRAM write
buffers
- Fast Page Mode/EDO/Burst EDO/Synchronous-DRAM support in a mixed
combination
- Mixed 256K/512K/1M/2M/4M/8M/16MxN DRAMs
- 6 banks up to 512MB DRAMs (maximum four banks of Synchronous
DRAM)
- Flexible row and column addresses
- 64 bit or 32 bit data width in arbitrary mixed combination
- 3.3v and 5v DRAM without external transceivers
- Speculative DRAM access
- Read around Write capability for non-stalled CPU read
- Burst read and write operation
- 4-2-2-2 on page, 7-2-2-2 start page and 9-2-2-2 off page timing
for EDO DRAMs at 50/60Mhz
- 4-2-2-2 on page, 8-2-2-2 start page and 11-2-2-2 off page timing
for EDO DRAMs at 66Mhz
- 5-1-1-1 on page, 8-1-1-1 start page and 10-1-1-1 off page timing
for Burst EDO DRAMs at 66Mhz
- 5-2-2-2-3-1-2-2 back-to-back access for EDO DRAM at 66Mhz
- 5-1-1-1-3-1-1-1 back-to-back access for BEDO DRAM at 66Mhz
- BIOS shadow at 16KB increment
- System management memory remapping
- Decoupled and burst DRAM refresh with staggered RAS timing
- Programmable refresh rate, CAS-before-RAS refresh and refresh on
populated banks only
o Unified Memory Architecture
- Supports VESA UMA handshake protocol
- Compatible with major video/GUI products
- Direct video frame buffer access
- Satisfies maximum latency requirement from REQ# to GNT# and from
GNT# to REQ#
o Intelligent PCI Bus Controller
- 32 bit PCI interface
- Supports 66Mhz and 3.3v/5v PCI bus
- PCI master snoop ahead and snoop filtering
- PCI master Peer Concurrency
- Synchronous Bus to CPU clock with divide-by-two from the CPU
clock
- Automatic detection of data streaming burst cycles from CPU to
the PCI bus
- Five levels (double-words) of CPU to PCI posted write buffers
- Byte merging in the write buffers to reduce the number of PCI
cycles and to create further PCI bursting possibilities
- Zero wait state PCI master and slave burst transfer rate
- PCI to system memory data streaming up to 132Mbyte/sec
- Sixty-four levels (double-words) of post write buffers from PCI
masters to DRAM
- Thirty-two levels (double-words) of prefetch buffers from DRAM
for access by PCI masters
- Enhanced PCI command optimization (MRL, MRM, MWI, etc)
- Complete steerable PCI interrupts
- Supports L1 write-back forward to PCI master read to minimize
PCI read latency
- Supports L1 write-back merged with PCI master post-write to
minimize DRAM utilization
- Provides transaction timer to fairly arbitrate between PCI
masters
- PCI-2.1 compliant
o Enhanced Master Mode PCI IDE Controller
- Dual channel master mode PCI supporting four Enhanced IDE
devices
- Transfer rate up to 22MB/sec to cover PIO mode 4 and Multiword
DMA mode 2 drivers and beyond
- Sixteen levels (doublewords) of prefetch and write buffers
- Interlaced commands between two channels
- Bus master programming interface for ATA controllers SFF-8038
rev.1.0 compliant
- Full scatter and gather capability
- Support ATAPI compliant devices
- Support PCI native and ATA compatibility modes
- Complete software driver support
o Universal Serial Bus Controller
- USB v1.0 and Intel Universal HCI v1.0 compatible
- Eighteen levels(doublwords) of data FIFOs
- Root hub and two function parts with built-in physical layer
transceivers
- Legacy keyboard and PS/2 mouse support
o Plug and Play Controller
- Dual interrupt and DMA signal steering with plug and play control
- Microsoft Windows 95 and plug and play BIOS compliant
o Sophisticated Power Management Unit
- Normal, doze, sleep, suspend and conserve modes
- System event monitoring with two event classes
- One idle timer, one peripheral timer and one general purpose
timer
- More than ten general purpose Input/Output ports
- Six external event input ports with programmable SMI condition
- Complete leakage control when external component is in power off
state
- Primary and secondary interrupt differentiation for individual
channels
- Clock stretching, clock throttling and clock stop control
- Multiple internal and external SMI sources for flexible power
management models
- Two programmable output ports
- APM 1.1 compliant
o PCI to ISA Bridge
- Integrated 82C206 peripheral controller
- Integrated keyboard controller with PS2 mouse supports
- Integrated DS12885 style real time clock with extended 128 byte
CMOS RAM
- Integrated USB (universal serial bus) controller with 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 and combined BIOS support
o Built-in nand-tree pin scan test capability
o 0.6um mixed voltage, high speed and low power CMOS process
o 208 pin PQFP for VT82C585VP
o 208 pin PQFP for VT82C586
o 100 pin PQFP for VT82C587VP
**VT82C580VPX Apollo VPX, VPX/97, Pentium with 66/75MHz Bus <01/09/97...
**VT82C590 Apollo VP2, VP2/97, Single-Chip Pentium 66MHz <01/10/97...
**VT82C597/AT Apollo VP3, Single-Chip for Pentium with AGP <10/03/97...
**VT82C598MVP Apollo MVP3,Single-Chip 66/75/83/100MHz & AGP <09/22/97...
**VT8501 Apollo MVP4,Single-Chip 66-100MHz & AGP <11/04/98...
**VT82C680 Apollo P6, Pentium-Pro Chip Set <08/30/96...
**Support chips:
**VT82C505 Pentium/486 VL to PCI Bridge <05/30/94...
**VT82C586/A/B PCI Integrated Peripheral Controller <10/13/96...
**VT82C596/A Mobile PCI Integrated Peripheral Controller <11/05/97...
**VT82C686A/B PCI Super-I/O Integrated Peripheral Ctrl. <02/10/98...
**Later P-Pro/II/III/Celeron...
**Later AMD...
**Other...
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