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**450NX (?) 06/29/98:
Chips:
[82454NX] (PXB) [82453NX] (MUX)
[82452NX] (RCG) [82451NX] (MIOC)
[82371EB] (PIIX4E),
CPUs: Single/Dual/Quad P-II Xeon/P-III Xeon
DRAM Types: FPM EDO 2-way Interleave 4-way Interleave
Mem Rows: 8
DRAM Density: 16Mbit 64Mbit
Max Mem: 8GB
ECC/Parity: Both
AGP speed: N/A
Bus Speed: 100
PCI Clock/Bus: 1/3
**????? (Profusion) c:99...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
**Other:
OPTi 82C200 - ChromaCast LCD-VGA chipset
OPTi 82C205 - LCD panel controller / scalar
OPTi 82C264 - 2D VGA controller
OPTi 82C265 - Video ????????????????????????????
OPTi 82C268 - Video ????????????????????????????
OPTi 82C611 - EIDE VLB
OPTi 82C611A - EIDE VLB
OPTi 82C621 - PCI-to-IDE controller
OPTi 82C621A - PCI-to-IDE controller
OPTi 82C824 - FireFox PCI to PCMCIA Controller
OPTi 82C825 - FireBridge II PCI to PCMCIA Controller
OPTi 82C814 - Docking Station Controller for laptops (PCI-to-PCI bridge)
OPTi 82C842 - PCI-to-IEEE 1393 FireWire
OPTi 82C832 - ?????????????????????????????????????????
OPTi 82C861 - PCI-to-USB Bridge c1997
OPTi 82C862 - PCI-to-USB Bridge 4x port
OPTi 82C863 - PCI-to-USB Bridge 2x port
OPTi 82C871 - PCI-to-USB Bridge + Sound Blaster compatibility and USB 2.0
OPTi 82C916 - Audio, ISA, serial CODEC) used in combination with Vendetta chipset 82C750
OPTi 82C924 - Audio, ISA
OPTi 82C925 - ISA Audio Controller (replaces the 924)
OPTi 82C928 - (MAD16) ISA Audio Controller (Emulates Sound Blaster Pro) c1993
OPTi 82C929 - (MAD16 Pro) ISA Audio Controller (Emulates Sound Blaster Pro) c1994
OPTi 82C930 - ISA Audio Controller (Emulates Sound Blaster Pro, AdLib)
OPTi 82C931 - ISA Audio controller (Emulates Sound Blaster Pro, AdLib)
OPTi 82C933 - Audio ?????????????????????????????
OPTi 82C935 - EV1935 ECTIVA MachOne PCI Audio
OPTi 82C941 - Wavetable chip, has something to do with 82C930
OPTi 82C950 - (MAD32) Audio/Modem controller (Emulates Sound Blaster Pro) c1994
OPTi 92C160 - Clock Generator for 92C168
OPTi 92C168 - LCD VGA controller c1993
OPTi 92C178 - LCD VGA controller with blt c1993
OPTi 92C264 - 2D VGA controller
-------------------------------------------------
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
*Symphony...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
**VT82C597/AT Apollo VP3, Single-Chip for Pentium with AGP <10/03/97
***Info:...
***Configurations:...
***Features:
o PCI/ISA Green PC Ready
- Supports separately powered 3.3V (5V tolerant) interfaces to
system memory, AGP, and PCI bus
- Supports 3.3V and sub-3.3V interface to CPU
- PC-97 compatible using VT82C586B South Bridge with ACPI Power
Management
o High Integration
- Single chip implementation for 64-bit Socket-7-CPU, 64-bit
system memory, 32-bit PCI and 32-bit AGP interfaces
- Apollo VP3 Chipset: VT82C597 or VT82C597AT system controller
and VT82C586B PCI to ISA bridge
- Chipset includes UltraDMA-33 EIDE, USB, and Keyboard / PS2-Mouse
Interfaces plus RTC / CMOS on chip
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 233MHz 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
- 4 cache lines of CPU/cache-to-DRAM post-write buffers
- 4 quadwords of CPU/cache-to-DRAM read-prefetch buffers
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 AGP Controller
- AGP v1.0 compliant
- Supports SideBand Addressing (SBA) mode (non-multiplexed
address/data)
- Supports 133MHz 2X mode for AD and SBA signalling
- Pipelined split-transaction long-burst transfers up to 533 MB/
sec
- Eight level read request queue
- Four level posted-write request queue
- Thirty-two level (quadwords) read data FIFO (128 bytes)
- Sixteen level (quadwords) write data FIFO (64 bytes)
- Intelligent request reordering for maximum AGP bus utilization
- Supports Flush/Fence commands
o GART
- One level TLB structure
- Sixteen entry fully associative page table
- LRU replacement scheme
- Independent GART lookup control for host / AGP / PCI master
accesses
o Intelligent PCI Bus Controller
- PCI buses are synchronous to host CPU bus
- 33 MHz operation on the primary PCI bus
- 66 MHz PCI operation on the AGP bus
- PCI-to-PCI bridge configuration on the 66MHz PCI bus
- Separate data buffers for the two PCI buses
- Peer concurrency
- Concurrent multiple PCI master transactions; i.e., allow PCI
masters from both PCI buses active at the same time
- Allows PCI master access while ISA master/DMA is active
- PCI master snoop ahead and snoop filtering
- 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
- Enhanced PCI command optimization (MRL, MRM, MWI, etc.)
- 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
- Supports L1/L2 write-back forward to PCI master read to minimize
PCI read latency
- Supports L1/L2 write-back merged with PCI master post-write to
minimize DRAM utilization
- Transaction timer for fair arbitration between PCI masters
(granularity of two PCI clocks)
- Symmetric arbitration between Host/PCI bus for optimized system
performance
- Complete steerable PCI interrupts
- PCI-2.1 compliant, 32 bit 3.3V PCI interface with 5V tolerant
inputs
o Advanced High-Performance DRAM Controller
- 66MHz DRAM interface
- Concurrent CPU and AGP access
- FP, EDO, SDRAM, and SDRAM-II
- 66MHz DDR (Double Data Rate) supported for SDRAM-II
(supports central and edge DQ, bidirectional DS, and optional
SDR write)
- Different DRAM types may be used in mixed combinations
- Different DRAM timing for each bank
- Mixed 1M / 2M / 4M / 8M / 16MxN DRAMs
- 6 banks up to 1GB DRAMs
- Flexible row and column addresses
- 64-bit data width only
- 3.3V DRAM interface with 5V-tolerant inputs
- Optional bank-by-bank ECC (single-bit error correction and
multi-bit error detection) or EC (error checking only) for DRAM
integrity
- Two-bank interleaving for 16Mbit SDRAM support
- Two-bank and four bank interleaving for 64Mbit SDRAM support
(14 MA lines)
- Supports maximum 8-bank interleave (i.e., 8 pages open
simultaneously); banks are allocated based on LRU
- Seamless DRAM command scheduling for maximum DRAM bus utilization
(e.g., precharge other banks while accessing the current bank)
- Four cache lines (16 quadwords) of CPU/cache to DRAM write
buffers
- Concurrent DRAM writeback
- Read around write capability for non-stalled CPU read
- Burst read and write operation
- 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
- 5-2-2-2-3-2-2-2 back-to-back accesses for EDO DRAM at 66 MHz
- 6-1-1-1-3-1-1-1 back-to-back accesses 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 Built-in NAND-tree pin scan test capability
o 3.3V, 0.5um, high speed / low power CMOS process
o 472 pin BGA Package
o Alternate pinouts available to optimally accommodate different PCB
form factors
- VT82C597 for ATX and NLX
- VT82C597AT for Baby AT and ATX
**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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*ZyMOS...
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