AST RESEARCH, INC. BRAVO LC (KING P) P/75 (202766-101) Processor CX487SX/80486SX/CX486DX/80486DX/CX486DX2/80486DX2/80486DX4/ Pentium Overdrive/CX5X86 Processor 20/25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Unidentified Max. 128MB Onboard DRAM Cache 128/256KB BIOS Unidentified Dimensions 254mm x 218mm I/O Floppy drive interface, green PC connector, IDE interfaces (2), Options parallel port, PS/2 mouse port, serial ports (2), 8514 video pass through connector, VGA port, riser slot NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse port CN2 Turbo LED (not J10 used) Serial port CN3 Turbo switch (not J12 pins 2 & used) 3 Serial port CN4 Control console J14 power LED Parallel port CN5 Reset switch (not J15 used) VGA port CN6 8514 video pass J16 through connector IDE interface 1 J3 Speaker J18 pins 1 & 2 Floppy drive J5 Control console JP15 interface hard drive LED IDE interface 2 J7 Riser slot SL1 Green PC connector J9 (not used) Note: The locations of J9 & J10 are unidentified. USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not J11 N/A alter » Password enabled JP2 Closed Password disabled JP2 Open » On board video enabled JP29 Closed On board video disabled JP29 Open » Monitor type select color JP30 Closed Monitor type select monochrome JP30 Open » Flash BIOS normal operation JP31 Closed Flash BIOS force update at boot JP31 Open DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 32 NONE NONE NONE 8MB (1) 2M x 32 NONE NONE NONE 8MB (1) 1M x 32 (1) 1M x 32 NONE NONE 9MB (1) 1M x 32 (1) 1M x 32 (1) 256K x NONE 32 10MB (1) 1M x 32 (1) 1M x 32 (1) 256K x (1) 256K x 32 32 12MB (1) 1M x 32 (1) 1M x 32 (1) 1M x 32 NONE 16MB (1) 1M x 32 (1) 1M x 32 (1) 1M x 32 (1) 1M x 32 16MB (1) 4M x 32 NONE NONE NONE 17MB (1) 2M x 32 (1) 2M x 32 (1) 256K x NONE 32 18MB (1) 2M x 32 (1) 2M x 32 (1) 256K x (1) 256K x 32 32 20MB (1) 2M x 32 (1) 2M x 32 (1) 1M x 32 NONE 24MB (1) 2M x 32 (1) 2M x 32 (1) 1M x 32 (1) 1M x 32 24MB (1) 2M x 32 (1) 2M x 32 (1) 2M x 32 NONE 32MB (1) 2M x 32 (1) 2M x 32 (1) 2M x 32 (1) 2M x 32 32MB (1) 8M x 32 NONE NONE NONE 32MB (1) 4M x 32 (1) 4M x 32 NONE NONE 33MB (1) 4M x 32 (1) 4M x 32 (1) 256K x NONE 32 34MB (1) 4M x 32 (1) 4M x 32 (1) 256K x (1) 256K x 32 32 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 36MB (1) 4M x 32 (1) 4M x 32 (1) 1M x 32 NONE 40MB (1) 4M x 32 (1) 4M x 32 (1) 1M x 32 (1) 1M x 32 40MB (1) 4M x 32 (1) 4M x 32 (1) 2M x 32 NONE 48MB (1) 4M x 32 (1) 4M x 32 (1) 2M x 32 (1) 2M x 32 48MB (1) 4M x 32 (1) 4M x 32 (1) 4M x 32 NONE 64MB (1) 4M x 32 (1) 4M x 32 (1) 4M x 32 (1) 4M x 32 64MB (1) 8M x 32 (1) 8M x 32 NONE NONE 66MB (1) 8M x 32 (1) 8M x 32 (1) 256K x (1) 256K x 32 32 68MB (1) 8M x 32 (1) 8M x 32 (1) 1M x 32 NONE 72MB (1) 8M x 32 (1) 8M x 32 (1) 1M x 32 (1) 1M x 32 72MB (1) 8M x 32 (1) 8M x 32 (1) 2M x 32 NONE 80MB (1) 8M x 32 (1) 8M x 32 (1) 2M x 32 (1) 2M x 32 80MB (1) 8M x 32 (1) 8M x 32 (1) 4M x 32 NONE 96MB (1) 8M x 32 (1) 8M x 32 (1) 4M x 32 (1) 4M x 32 96MB (1) 8M x 32 (1) 8M x 32 (1) 8M x 32 NONE 128MB (1) 8M x 32 (1) 8M x 32 (1) 8M x 32 (1) 8M x 32 CACHE CONFIGURATION Size Bank 0 TAG 128KB (4) 32K x 8 (1) 8K x 8 256KB (4) 64K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP16 JP17 128KB pins 1 & 2 closed pins 1 & 2 closed 256KB pins 2 & 3 closed pins 1 & 2 closed CPU TYPE CONFIGURATION Type JP3 JP4 JP5 JP6 JP7 Cyrix 486 Closed Open Open Open Open Intel 486 Open Closed Closed Closed Open Cyrix Open Closed Closed Closed Open 5x86 CPU TYPE CONFIGURATION (CON’T) Type JP8 JP9 JP20 JP21 JP22 JP23 Cyrix Open Closed Closed Open Closed Open 486 Intel Closed Open Open Open Open Open 486 Cyrix Closed Open Open Open Open Open 5x86 CPU TYPE CONFIGURATION Type JP11 SX pins 2 & 3 closed DX pins 1 & 2 closed CPU SPEED CONFIGURATION Speed JP1 JP19 20MHz pins 1 & 2 closed pins 1 & 2 closed 25MHz pins 1 & 2 closed pins 3 & 4 closed 33MHz pins 1 & 2 closed pins 5 & 6 closed 50iMHz pins 1 & 2 closed pins 3 & 4 closed 66iMHz pins 1 & 2 closed pins 5 & 6 closed 75iMHz pins 1 & 2 closed pins 3 & 4 closed 100iMHz pins 1 & 2 closed pins 5 & 6 closed CPU VOLTAGE CONFIGURATION Voltage V1 V2 V3 V4 3.45v Open Open Open Open 5v Closed Closed Closed Closed VIDEO MEMORY CONFIGURATION Size Bank 0 Bank 1 1MB (2) 512K x 8 NONE 2MB (2) 512K x 8 (2) 512K x 8 MISCELLANEOUS TECHNICAL NOTE Note: The location of pin 1 on the jumpers is unidentified.