CACHE COMPUTERS, INC. SX 386-20 (Model 308) Processor 80386SX Processor Speed 16/20MHz Chip Set VIA Max. Onboard DRAM 8MB Cache None BIOS AMI/Award/Phoenix/Quadtel Dimensions 330mm x 218mm I/O Options None NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location Turbo switch J3 External battery J8 Turbo LED J6 Speaker J11 Power LED & keylock J7 Reset switch SW3 Note:The location of the expansion slots is unidentified. USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » CPU speed select 20MHz J1 Open CPU speed select 16MHz J1 Closed » NPU disabled J2 Closed NPU enabled J2 Open » Monitor type select J4 Open monochrome Monitor type select color J4 Closed » DMA speed select 8/10MHz J99 pins 2 & 3 closed DMA speed select 4MHz J99 Closed DMA speed select synchronous J99 pins 1 & 2 with CPU closed » Factory configured - do not SW2/5 Off alter » Factory configured - do not SW2/6 Off alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 512KB (2) 256K x NONE NONE NONE 9 1MB (2) 256K x (2) 256K x NONE NONE 9 9 1.5MB (2) 256K x (2) 256K x (2) 256K x NONE 9 9 9 2MB (2) 256K x (2) 256K x (2) 256K x (2) 256K x 9 9 9 9 2MB (2) 1M x 9 NONE NONE NONE 3MB (2) 256K x (2) 256K x (2) 1M x 9 NONE 9 9 4MB (2) 1M x 9 (2) 1M x 9 NONE NONE 5MB (2) 256K x (2) 256K x (2) 1M x 9 (2) 1M x 9 9 9 6MB (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 NONE 8MB (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 DRAM JUMPER/SWITCH CONFIGURATION Size J10 J13 SW2/1 SW2/2 SW2/3 SW2/4 512KB 2 & 3 2 & 3 Off Off Off Off 1MB 2 & 3 2 & 3 On Off Off Off 1.5MB 2 & 3 2 & 3 Off On Off Off 2MB 2 & 3 2 & 3 On On Off Off 2MB 1 & 2 1 & 2 Off Off On On 3MB 2 & 3 1 & 2 Off On On Off 4MB 1 & 2 1 & 2 On Off On On 5MB 2 & 3 1 & 2 On On On Off 6MB 1 & 2 1 & 2 Off On On On 8MB 1 & 2 1 & 2 On On On On Note:Pins designated should be in the closed position. DRAM WAIT STATE CONFIGURATION Read States Write States SW2/7 SW2/8 NONE NONE Off On 1 1 Off Off 1 2 On Off 2 2 On On