CHICONY, INC. CH-386S-16/20/25G Processor 80386SX Processor Speed 16/20/25MHz Chip Set OPTI Max. Onboard DRAM 16MB Cache None BIOS AMI Dimensions 220mm x 220mm I/O Options None NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J1 Turbo switch J4 Speaker J2 Turbo LED J5 Reset switch J3 External battery J15 USER CONFIGURABLE SETTINGS Function Jumper Position » NPU mode select asynchronous with J6 Closed CPU NPU mode select synchronous with J6 Open CPU » Monitor type select monochrome J13 Open Monitor type select color J13 Closed » CMOS memory normal operation J14 pins 2 & 3 closed CMOS memory clear J14 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 P-0 Bank 1 P-1 Bank 2 Bank 3 512KB (4) (2) NONE NONE NONE NONE 1 44256 41256 512KB NONE NONE NONE NONE (2) NONE 2 256K x 9 1MB 1 (4) (2) (4) (2) NONE NONE 44256 41256 44256 41256 1MB 2 NONE NONE NONE NONE (2) (2) 256K x 256K x 9 9 1.5MB (4) (2) (4) (2) (2) NONE 44256 41256 44256 41256 256K x 9 2MB 1 (4) (2) (4) (2) (2) (2) 44256 41256 44256 41256 256K x 256K x 9 9 2MB 2 NONE NONE NONE NONE (2) 1M NONE x 9 2.5MB NONE NONE NONE NONE (2) (2) 1M 256K x x 9 9 3MB (4) (2) (4) (2) (2) 1M NONE 44256 41256 44256 41256 x 9 4MB NONE NONE NONE NONE (2) 1M (2) 1M x 9 x 9 5MB (4) (2) (4) (2) (2) 1M (2) 1M 44256 41256 44256 41256 x 9 x 9 9MB (4) (2) (4) (2) (2) 4M NONE 44256 41256 44256 41256 x 9 10MB NONE NONE NONE NONE (2) 1M (2) 4M x 9 x 9 16MB NONE NONE NONE NONE (2) 4M (2) 4M x 9 x 9 Note:DIP locations and socket sizes are unverified. Note 1 :See the next table for the corresponding setting for this configuration. Note 2 :See the next table for the corresponding setting for this configuration. DRAM JUMPER CONFIGURATION Size J7 512KB 1 pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed 512KB 2 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed 1MB 1 pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed 1MB 2 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed 1.5MB pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed 2MB 1 pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed 2MB 2 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed 2.5MB pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed 3MB pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed 4MB pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed 5MB pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed 9MB pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 & 15, and 17 & 18 closed 10MB pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed 16MB pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14, and 16 & 17 closed Note 1 :See the previous table for the corresponding setting for this configuration. Note 2 :See the previous table for the corresponding setting for this configuration.