VTECH INDUSTRIES, INC. PLATINUM PCI SERIES 486 Processor 80486SX/80486DX/80486DX2/Pentium Overdrive Processor Speed 25/33/50(internal)/50/66(internal)MHz Chip Set Unidentified Max. Onboard 32MB DRAM Cache 128/256/512KB BIOS Unidentified Dimensions 355mm x 304mm I/O Options 32-bit PCI slots (2), floppy drive interface, green PC connector, IDE interface, SCSI connector, parallel port, PS/2 mouse port, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Floppy drive CN1 CPU power connector J15 interface IDE interface CN2 Speaker J16 Parallel port CN3 +3.3v power connector J17 Serial port 1 CN4 Green PC connector J18 Serial port 2 CN5 Analog speaker J19 PS/2 mouse port CN6 Power off control J20 connector Mezzanine board CN7 Front panel connector J23 connector SCSI interface CN8 32-bit PCI slots SL1 & SL2 +5.5v power connector CN9 USER CONFIGURABLE SETTINGS Function Switch Position » TAG chip size select 8K/32K x 8 S1/3 On TAG chip size select 8K/32K x 9 S1/3 Off » Cache enabled S1/4 On Cache disabled S1/4 Off DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 2MB (2) 256K x 36 NONE NONE 4MB (2) 256K x 36 (2) 256K x 36 NONE 4MB (2) 256K x 36 NONE (2) 256K x 36 6MB (2) 256K x 36 NONE (2) 512K x 36 6MB (2) 256K x 36 (2) 256K x 36 (2) 256K x 36 8MB (2) 1M x 36 NONE NONE 8MB (2) 256K x 36 (2) 256K x 36 (2) 512K x 36 10MB (2) 256K x 36 (2) 1M x 36 NONE 10MB (2) 256K x 36 NONE (2) 1M x 36 10MB (2) 1M x 36 NONE (2) 256K x 36 12MB (2) 256K x 36 (2) 256K x 36 (2) 1M x 36 12MB (2) 256K x 36 (2) 1M x 36 (2) 256K x 36 12MB (2) 1M x 36 NONE (2) 512K x 36 14MB (2) 256K x 36 (2) 1M x 36 (2) 512K x 36 16MB (2) 1M x 36 (2) 1M x 36 NONE 16MB (2) 1M x 36 NONE (2) 1M x 36 18MB (2) 256K x 36 NONE (2) 2M x 36 18MB (2) 256K x 36 (2) 1M x 36 (2) 1M x 36 18MB (2) 1M x 36 (2) 1M x 36 (2) 256K x 36 20MB (2) 256K x 36 (2) 256K x 36 (2) 2M x 36 20MB (2) 1M x 36 (2) 1M x 36 (2) 512K x 36 24MB (2) 1M x 36 NONE (2) 2M x 36 24MB (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 26MB (2) 256K x 36 (2) 1M x 36 (2) 2M x 36 32MB (2) 1M x 36 (2) 1M x 36 (2) 2M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 8K x 9 128KB (4) 32K x 8 NONE (1) 32K x 8 128KB (4) 32K x 8 NONE (1) 32K x 9 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 9 512KB (4) 128K x 8 NONE (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 32K x 9 Note: x 8 or x 9 cache and TAG chips may be used. CACHE SWITCH CONFIGURATION Size S2/1 S2/2 S2/3 S2/4 S3/1 S3/2 S3/3 S3/4 128KB On Off Off On Off Off Off Off 128KB On Off Off Off On Off Off Off 128KB On Off Off Off Off Off Off Off 128KB On Off Off Off On Off Off Off 256KB Off On On Off Off Off Off Off 256KB Off On On Off On Off Off Off 512KB Off On On Off Off On On On 512KB Off On On Off On Off On On CACHE SWITCH CONFIGURATION Size S1/1 S1/2 128KB On Off 256KB Off On 512KB On On