APRICOT COMPUTERS LIMITED EPX (EISA DESKTOP/ FT//EX DESKSIDE) Processor 80486SX/80487SX/ODP486SX/80486DX/80486DX2/Pentium Overdrive/Pentium (depends on CPU card installed) Processor 25/33/40/50/50(internal)/60/66(internal)/66/80MHz Speed Chip Set Unidentified Max. Onboard 128/256MB (depends on CPU card installed) DRAM Cache 64/128/256/512/1024KB (depends on CPU card installed) BIOS Unidentified Dimensions 330mm x 218mm I/O Options External CPU slot, 32-bit VESA local bus slots (2), IDE interface, SCSI connectors (2), parallel port, PS/2 mouse port, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse port CN1 SCSI connector CN6 Serial port 1 CN2 Parallel port CN7 Serial port 2 CN3 Reset switch JP7 IDE interface CN4 External CPU slot SL1 SCSI connector CN5 32-bit VESA local bus SL2 & SL3 slots USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not JP5 Open alter » Password enabled JP6 Pins 1 & 2 closed Password disabled JP6 Pins 2 & 3 closed » IRQ type select IRQ10 JP8 Pins 1 & 2 closed IRQ type select IRQ11 JP8 Pins 2 & 3 closed » On board buzzer enabled JP9 Pins 1 & 2 closed External speaker installed JP9 Pins 2 & 3 closed DRAM CONFIGURATION (80486 EPX DESKTOP & FT//EX DESKSIDE) Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 NONE NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 NONE NONE NONE 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 NONE 24MB (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 NONE 28MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 28MB (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 8M x 36 NONE NONE NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 NONE 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 40MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 52MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 52MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 16M x NONE NONE NONE 36 72MB (1) 1M x 36 (1) 1M x 36 (1) 16M x NONE 36 80MB (1) 4M x 36 (1) 16M x NONE NONE 36 84MB (1) 1M x 36 (1) 4M x 36 (1) 16M x NONE 36 84MB (1) 4M x 36 (1) 16M x (1) 1M x 36 NONE 36 88MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 16M x 36 88MB (1) 4M x 36 (1) 16M x (1) 1M x 36 (1) 1M x 36 36 96MB (1) 4M x 36 (1) 4M x 36 (1) 16M x NONE 36 96MB (1) 4M x 36 (1) 16M x (1) 4M x 36 NONE 36 DRAM CONFIGURATION (80486 EPX DESKTOP & FT//EX DESKSIDE CON'T) Size Bank 0 Bank 1 Bank 2 Bank 3 100MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 (1) 16M x 36 100MB (1) 4M x 36 (1) 16M x (1) 4M x 36 (1) 1M x 36 36 112MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 16M x 36 112MB (1) 4M x 36 (1) 16M x (1) 4M x 36 (1) 4M x 36 36 128MB (1) 16M x (1) 16M x NONE NONE 36 36 132MB (1) 16M x (1) 16M x (1) 1M x 36 NONE 36 36 136MB (1) 16M x (1) 16M x (1) 1M x 36 (1) 1M x 36 36 36 144MB (1) 16M x (1) 16M x (1) 4M x 36 NONE 36 36 144MB (1) 4M x 36 (1) 16M x (1) 16M x NONE 36 36 148MB (1) 1M x 36 (1) 4M x 36 (1) 16M x (1) 16M x 36 36 148MB (1) 16M x (1) 16M x (1) 4M x 36 (1) 1M x 36 36 36 160MB (1) 1M x 36 (1) 1M x 36 (1) 16M x (1) 16M x 36 36 160MB (1) 1M x 36 (1) 16M x (1) 1M x 36 (1) 16M x 36 36 160MB (1) 16M x (1) 16M x (1) 1M x 36 (1) 1M x 36 36 36 192MB (1) 16M x (1) 16M x (1) 16M x NONE 36 36 36 208MB (1) 4M x 36 (1) 16M x (1) 16M x (1) 16M x 36 36 36 208MB (1) 16M x (1) 16M x (1) 4M x 36 (1) 16M x 36 36 36 256MB (1) 16M x (1) 16M x (1) 16M x (1) 16M x 36 36 36 36 DRAM CONFIGURATION (PENTIUM EPX DESKTOP) Size Bank 0 Bank 1 Bank 2 Bank 3 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 24MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 24MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 72MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 72MB (1) 8M x 36 (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 80MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 80MB (1) 8M x 36 (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 96MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 DRAM CONFIGURATION (PENTIUM FT//EX DESKSIDE MAINBOARD) Size Bank 0 Bank 1 Bank 2 Bank 3 8MB (1) 1M x 36 (2) 1M x 36 NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 NONE NONE 24MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 56MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 64MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 120MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 128MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 256MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 Note: If installing 8MB or 24MB use only DRAM sockets on mainboard. Any other configuration uses this table and the table below. DRAM CONFIGURATION (PENTIUM FT//EX DESKSIDE CPU BOARD) Size Bank 0 Bank 1 Bank 2 Bank 3 16MB (1) 1M x 36 (1) 1M x 36 NONE NONE 32MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 56MB (1) 4M x 36 (1) 4M x 36 NONE NONE 64MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 120MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 128MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 256MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 Note: If installing 8MB or 24MB use only DRAM sockets on mainboard. Any other configuration uses this table and the table above. SCSI CONFIGURATION Setting JP1 JP2 Installed Open Open Not installed Closed Closed VESA WAIT STATE CONFIGURATION Wait states JP3 0 wait states Pins 1 & 2 closed 1 wait state Pins 2 & 3 closed BUS SPEED CONFIGURATION CPU speed JP4 <= 33MHz Pins 1 & 2 closed > 33MHz Pins 2 & 3 closed BATTERY TYPE CONFIGURATION Type JP10 JP11 JP12 JP13 Dallas Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed closed B.M. Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed [Image] USER CONFIGURABLE SETTINGS Function Jumper Position » VLB LADS MHz support select JP3 Pins 1 & 2 33MHz closed VLB LADS MHz support select JP3 Pins 2 & 3 50MHz closed » Local bus disabled JP10 Pins 1 & 2 closed Local bus enabled JP10 Pins 2 & 3 closed CACHE CONFIGURATION Note: The bank configuration and chip sizes are unidentified by the manufacturer. CACHE JUMPER CONFIGURATION Size JP11 JP12 JP13 JP14 JP18 JP19 JP20 64KB Open Open Open Open Open Open Open 128KB Closed Open Open Open Open Closed Open 256KB Closed Closed Open Open Open Closed Closed 1024KB Closed Closed Closed Closed Closed Closed Closed CACHE BANK CONFIGURATION Size JP15 JP16 Single bank Pins 1 & 2 closed Pins 1 & 2 closed Double bank Pins 2 & 3 closed Pins 2 & 3 closed CPU TYPE CONFIGURATION Type JP4 80486SX Pins 1 & 2 closed 80487SX Pins 2 & 3 closed ODP486SX Pins 2 & 3 closed 80486DX/DX2 Open Pentium Overdrive Pins 2 & 3 closed CPU SPEED CONFIGURATION Speed JP8 JP9 25MHz Pins 1 & 2 closed Pins 1 & 2 closed 33MHz Pins 1 & 2 closed Pins 2 & 3 closed 40MHz Pins 2 & 3 closed Pins 1 & 2 closed 50iMHz Pins 1 & 2 closed Pins 1 & 2 closed 50MHz Pins 2 & 3 closed Pins 2 & 3 closed 66iMHz Pins 1 & 2 closed Pins 2 & 3 closed CPU CLOCK SPEED CONFIGURATION Speed JP1 JP2 25MHz Open Open 33MHz Open Closed 40MHz Closed Open 50iMHz Open Open 50MHz Closed Closed 66iMHz Open Closed BUS SPEED CONFIGURATION CPU speed JP17 <= 33MHz Pins 1 & 2, 3 & 4 closed > 33MHz Pins 2 & 3 closed [Image] USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not JP4 Open alter CACHE CONFIGURATION Note: The bank configuration and chip sizes are unidentified by the manufacturer. CACHE JUMPER CONFIGURATION Size JP11 JP12 JP14 JP15 256KB Open Open Open Open 1024KB Closed Closed Closed Closed CPU OSCILLATOR SPEED CONFIGURATION Speed JP1 JP2 JP3 33MHz Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 40MHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 50MHz Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed 60MHz Pins 2 & 3 N/A N/A closed 66MHz N/A Pins 1 & 2 Pins 1 & 2 closed closed 80MHz Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed [Image] USER CONFIGURABLE SETTINGS Function Jumper Position » Local bus enabled JP4 Pins 1 & 2 closed Local bus disabled JP4 Pins 2 & 3 closed CACHE CONFIGURATION Note: The bank configuration and chip sizes are unidentified by the manufacturer. CACHE JUMPER CONFIGURATION Size JP10 JP11 JP12 JP13 JP14 JP15 128KB Open Open Open Open Open Open 256KB Closed Open Open Closed Open Open 512KB Closed Closed Open Closed Closed Open 1024KB Closed Closed Closed Closed Closed Closed CACHE BANK CONFIGURATION Size JP8 JP9 Single bank (4) 8K x 8 (1) 8K x 8 Double bank (4) 32K x 8 (1) 32K x 8 CPU OSCILLATOR SPEED CONFIGURATION Speed JP1 JP2 JP3 33MHz Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 40MHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 50MHz Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed 66MHz Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed 80MHz Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed