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*AMD . . . . . . . [no datasheets, some info]...
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*Contaq . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
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*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**82485 Turbo Cache (and 485Turbocache) c90
***Notes:...
***Info:...
***Versions:...
***Features:...
**82489DX Advanced Programmable Interrupt Controller 10/12/92...
**82495DX/490DX DX CPU-Cache Chip Set <Sep91...
**82495XP/490XP Cache Controller / Cache RAM (for i860) 06/05/91...
**82496/491 Cache Controller / Cache RAM (for P5 Pentium) 03/22/93
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82497/492 Cache Controller / Cache RAM (for P54 Pentium) <Nov94...
**82498/493 Cache Controller / Cache RAM (for P54 Pentium) <Nov94...
**
**Later chipsets (basic spec):
**440 series:...
**450NX (?) 06/29/98:...
**????? (Profusion) c:99...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
*Symphony...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
**SL9020 Data Controller <Jan90
***Info:...
***Versions:...
***Features:...
**SL9025 Address Controller <Jan90...
**SL9030 Integrated Peripheral Controller <Jan90...
**SL9090/A Universal PC/AT Clock Chip <oct88...
**SL9095 Power Management Unit ?...
**SL9151 80286 Page Interleave Memory Controller (16-25MHz) ?...
**SL9250 80386SX Page Mode Memory Controller (16/20MHz 8MB) ?...
**SL9251 80386SX Page Interleave Memory Controller <04/13/90...
**SL9252 80386SX System and Memory Controller <06/12/90...
**SL9350 80386DX Page Mode Memory Controller (16-25MHz 16MB) ?...
**SL9351 80386DX Page Interleave Memory Controller (33MHz) ?...
**SL9352 80386DX System and Memory Controller <06/12/90...
**SLXXXX Other chips...
**
**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...
**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
***Info:...
***Configurations:...
***Features:
o PCI/ISA Green PC Ready
- Supports 3.3V or 5V interface to CPU, system memory, and / or
PCI bus
- Supports CPUs with internal voltages below 3.3V
- PC-97 compatible using VT82C586B South Bridge with ACPI Power
Management
o High Integration
- Single chip implementation for 64-bit Pentium-CPU, 64-bit system
memory, and 32-bit PCI interface
- VT82C590 Apollo VP2 Chipset: VT82C595 system controller and
VT82C586B PCI to ISA bridge
- Chipset includes UltraDMA-33 EIDE, USB, and Keyboard / PS2-Mouse
Interfaces plus RTC / CMOS on chip
- Six TTLs for a complete main board implementation
o Flexible CPU Interface
- Supports 64-bit Pentium, AMD 5k86 , AMD 6k86 and Cyrix 6x86 CPUs
- CPU external bus speed up to 66 Mhz (internal 200Mhz and above)
- Supports CPU internal write-back cache
- System management interrupt, memory remap and STPCLK mechanism
- Cyrix 6X86 linear burst support
- CPU NA# / Address pipeline capability
o Advanced Cache Controller
- Direct map write back or write through secondary cache
- Pipelined burst synchronous SRAM (PBSRAM) cache support (with
global write enable feature)
- 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 PBSRAM access at 66 Mhz
- 3-1-1-1-1-1-1-1 back to back read timing for PBSRAM access at
66 Mhz
- Sustained 3 cycle write access for PBSRAM access or CPU to DRAM
and PCI bus post write buffers at 66 Mhz
- Data streaming for simultaneous primary and secondary cache
line fill
- System and video BIOS cacheable and write-protect
- Programmable cacheable region and cache timing
o Fast DRAM Controller
- Fast Page Mode/EDO/Synchronous-DRAM support in a mixed
combination
- Mixed 1M/2M/4M/8M/16MxN DRAMs
- 6 banks up to 512MB DRAMs
- Flexible row and column addresses
- 64-bit or 32-bit data width in arbitrary mixed combination
- 3.3v and 5v DRAM without external buffers
- Optional bank-by-bank ECC (single-bit error correction and
multi-bit error detection) for DRAM integrity
- Two-bank interleaving for 16Mbit SDRAM support
- Two-bank and four bank interleaving for 64Mbit SDRAM support
(14 MA lines)
- Four cache lines (16 quadwords) of CPU/cache to DRAM write
buffers
- Concurrent DRAM writeback
- 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 50/60 MHz
- 5-2-2-2 on page, 8-2-2-2 start page and 11-2-2-2 off page timing
for EDO DRAMs at 66 MHz
- 6-1-1-1 on page, 8-1-1-1 start page and 10-1-1-1 off page for
SDRAMs at 66 MHz
- 5-2-2-2-3-1-2-2 back-to-back access for EDO DRAM at 66 MHz
- 6-1-1-1-3-1-1-1 back-to-back access for SDRAM at 66 MHz
- BIOS shadow at 16KB increment
- Decoupled and burst DRAM refresh with staggered RAS timing
- Programmable refresh rate, CAS-before-RAS refresh and refresh
on populated banks only
o Intelligent PCI Bus Controller
- 32 bit 3.3/5v PCI interface
- Synchronous divide-by-two PCI bus interface
- 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
- Forty-eight levels (double-words) of post write buffers from PCI
masters to DRAM
- Sixteen 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 Built-in nand-tree pin scan test capability
o 0.6um mixed voltage, high speed / low power CMOS process
o 328 pin Low-Profile BGA Package
**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...
*VLSI...
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*Winbond...
*ZyMOS...
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