CACHE COMPUTERS, INC. CACHE BAT 486 (Model 319) Processor 80486SX/80486DX Processor Speed 20/25/33/40/50MHz Chip Set UMC Max. Onboard DRAM 32MB Cache 64/128/256KB BIOS AMI/MR Dimensions 330mm x 218mm I/O Options Serial ports (2), parallel port, game port, bus mouse port, floppy drive interface, IDE interface, 32-bit external memory card slot NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location External battery J2 Serial port COM1 P1 IDE LED J3 Serial port COM2 P2 Auxiliary keyboard J8 Game port P3 Speaker J10 Bus mouse port P4 Power LED & keylock J11 Parallel port P5 Reset switch J12 IDE interface P6 Turbo switch J13 Floppy drive P7 interface Turbo LED J14 32-bit external S1 memory slot USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Floppy drive enabled SW3/1 Off Floppy drive disabled SW3/1 On » IDE interface enabled SW3/2 Off IDE interface disabled SW3/2 On » Serial port COM1 (P1) SW3/3 Off enabled Serial port COM1 (P1) SW3/3 On disabled » Serial port COM2 (P2) SW3/4 Off enabled Serial port COM2 (P2) SW3/4 On disabled » Game port enabled SW3/5 Off Game port disabled SW3/5 On » Parallel port enabled SW3/6 Off Parallel port disabled SW3/6 On » Bus mouse port enabled SW3/7 Off Bus mouse port disabled SW3/7 On » CMOS memory normal operation W1 Open CMOS memory clear W1 Closed » Monitor type select color W2 Open (AMI BIOS) Monitor type select W2 Closed monochrome (AMI BIOS) » Password enabled (MR BIOS) W2 Open Password disabled (MR BIOS) W2 Closed » Floppy drive interface W5 Open address select 1F0-1F7h Floppy drive interface W5 Closed address select 170-177h » IDE interface address select W6 Open 3F1-3F7h IDE interface address select W6 Closed 371-377h » Serial port (P1) select COM1 W7 Open at address 3F8-3FFh Serial port (P1) select COM3 W7 Closed at address 3E8-3EFh » Serial port (P2) select COM2 W8 Open at address 2F8-2FFh Serial port (P2) select COM4 W8 Closed at address 2E8-2EFh » Parallel port (P5) select W9 Open LPT1 at address 378-37Fh Parallel port (P5) select W9 Closed LPT2 at address 278-27Fh DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (4) 256K x 9 NONE NONE NONE 2MB (4) 256K x 9 (4) 256K x 9 NONE NONE 3MB (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 NONE 4MB (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE NONE NONE 5MB (4) 256K x 9 (4) 1M x 9 NONE NONE 6MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 NONE 7MB (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 8MB (4) 1M x 9 (4) 1M x 9 NONE NONE 9MB (4) 256K x 9 (4) 1M x 9 (4) 1M x 9 NONE DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 10MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 (4) 1M x 9 12MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 NONE 16MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE NONE NONE 17MB (4) 256K x 9 (4) 4M x 9 NONE NONE 18MB (4) 256K x 9 (4) 256K x 9 (4) 4M x 9 NONE 20MB (4) 1M x 9 (4) 4M x 9 NONE NONE 24MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 NONE 28MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 NONE NONE 36MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 NONE 40MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 48MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 NONE 52MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 64MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 Notes:Banks 2 and 3 are utilized when a 32-bit external memory card is installed at S1. CACHE CONFIGURATION Size Bank 0 Bank 1 64KB (4) 8K x 8 (4) 8K x 8 128KB (4) 32K x 8 NONE 256KB (4) 32K x 8 (4) 32K x 8 CACHE JUMPER CONFIGURATION Size W10 W11 W12 W13 64KB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 128KB pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed closed 256KB pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed CPU TYPE CONFIGURATION Type W24 W25 80486SX Closed pins 2 & 3 closed 80486DX Open pins 1 & 2, 3 & 4 closed BUS MOUSE IRQ CONFIGURATION IRQ W3 W4 IRQ2 Closed Open IRQ5 Open Closed Disabled Open Open