DECISION COMPUTER INTERNATIONAL CO., LTD. PCDISK/512KB Card Type Memory-based disk Maximum Onboard Memory 256KB SRAM/512KB EPROM I/O Options Auto-reset function Data Bus 8-bit ISA [Image] CONNECTIONS Function Label Auto-reset connector (see pinout JP5 below) JP5 PINOUT Function Pin Function Pin To reset switch on case 1 To reset function on 3 mainboard To reset switch on case 2 To reset function on 4 mainboard USER CONFIGURABLE SETTINGS Setting Label Position » Set auto-reset check time to 4.5 JP3 Pins 1 & 2 seconds closed Set auto-reset check time to 9 JP3 Pins 2 & 3 seconds closed » Battery charge enabled JP4 Closed Battery charge disabled JP4 Open SRAM/EPROM EPROM Size SRAM Size U1 U2 U3 U4 None 32KB (1) 32K x None None None 8 None 64KB (1) 32K x (1) 32K x None None 8 8 None 96KB (1) 32K x (1) 32K x (1) 32K x None 8 8 8 None 128KB (1) 32K x (1) 32K x (1) 32K x (1) 32K x 8 8 8 8 None 160KB (1) 32K x (1) 32K x (1) 32K x (1) 32K x 8 8 8 8 None 192KB (1) 32K x (1) 32K x (1) 32K x (1) 32K x 8 8 8 8 None 224KB (1) 32K x (1) 32K x (1) 32K x (1) 32K x 8 8 8 8 None 256KB (1) 32K x (1) 32K x (1) 32K x (1) 32K x 8 8 8 8 SRAM/EPROM (CON’T) EPROM SRAM Size U1 U2 U3 U4 Size 64KB None (1) 27512 None None None 64KB 32KB (1) 27512 None None None 64KB 64KB (1) 27512 None None None 64KB 96KB (1) 27512 None None None 64KB 128KB (1) 27512 None None None 128KB None (1) 27512 (1) 27512 None None 128KB 32KB (1) 27512 (1) 27512 None None 128KB 64KB (1) 27512 (1) 27512 None None 128KB 96KB (1) 27512 (1) 27512 None None 128KB 128KB (1) 27512 (1) 27512 None None 192KB None (1) 27512 (1) 27512 (1) 27512 None 192KB 32KB (1) 27512 (1) 27512 (1) 27512 None 192KB 64KB (1) 27512 (1) 27512 (1) 27512 None 192KB 96KB (1) 27512 (1) 27512 (1) 27512 None 192KB 128KB (1) 27512 (1) 27512 (1) 27512 None 256KB None (1) 27512 (1) 27512 (1) 27512 (1) 27512 256KB 32KB (1) 27512 (1) 27512 (1) 27512 (1) 27512 256KB 64KB (1) 27512 (1) 27512 (1) 27512 (1) 27512 256KB 96KB (1) 27512 (1) 27512 (1) 27512 (1) 27512 256KB 128KB (1) 27512 (1) 27512 (1) 27512 (1) 27512 320KB None (1) 27512 (1) 27512 (1) 27512 (1) 27512 384KB None (1) 27512 (1) 27512 (1) 27512 (1) 27512 448KB None (1) 27512 (1) 27512 (1) 27512 (1) 27512 512KB None (1) 27512 (1) 27512 (1) 27512 (1) 27512 SRAM/EPROM (CON’T) EPROM Size SRAM Size U5 U6 U7 U8 None 32KB None None None None None 64KB None None None None None 96KB None None None None None 128KB None None None None None 160KB (1) 32K x None None None 8 None 192KB (1) 32K x (1) 32K x None None 8 8 None 224KB (1) 32K x (1) 32K x (1) 32K x None 8 8 8 None 256KB (1) 32K x (1) 32K x (1) 32K x (1) 32K x 8 8 8 8 64KB None None None None None 64KB 32KB (1) 32K x None None None 8 64KB 64KB (1) 32K x (1) 32K x None None 8 8 64KB 96KB (1) 32K x (1) 32K x (1) 32K x None 8 8 8 64KB 128KB (1) 32K x (1) 32K x (1) 32K x (1) 32K x 8 8 8 8 128KB None None None None None 128KB 32KB (1) 32K x None None None 8 128KB 64KB (1) 32K x (1) 32K x None None 8 8 128KB 96KB (1) 32K x (1) 32K x (1) 32K x None 8 8 8 128KB 128KB (1) 32K x (1) 32K x (1) 32K x (1) 32K x 8 8 8 8 SRAM/EPROM (CON’T) EPROM SRAM Size U5 U6 U7 U8 Size 192KB None None None None None 192KB 32KB (1) 32K x None None None 8 192KB 64KB (1) 32K x (1) 32K x None None 8 8 192KB 96KB (1) 32K x (1) 32K x (1) 32K x None 8 8 8 192KB 128KB (1) 32K x (1) 32K x (1) 32K x (1) 32K x 8 8 8 8 256KB None None None None None 256KB 32KB (1) 32K x None None None 8 256KB 64KB (1) 32K x (1) 32K x None None 8 8 256KB 96KB (1) 32K x (1) 32K x (1) 32K x None 8 8 8 256KB 128KB (1) 32K x (1) 32K x (1) 32K x (1) 32K x 8 8 8 8 320KB None (1) 27512 None None None 384KB None (1) 27512 (1) 27512 None None 448KB None (1) 27512 (1) 27512 (1) 27512 None 512KB None (1) 27512 (1) 27512 (1) 27512 (1) 27512 Note:The 27512 parts are EPROMs, while the 32K x 8 parts are SRAMs. SRAM/EPROM SETTINGS U1-U4 U5-U8 JP1 JP2 SW1/7 SW1/8 EPROM EPROM Pins 1 & 2 Pins 1 & 2 Off Off closed closed EPROM None Pins 1 & 2 N/A Off N/A closed EPROM SRAM Pins 1 & 2 Pins 2 & 3 Off On closed closed SRAM SRAM Pins 2 & 3 Pins 2 & 3 On Off closed closed SRAM None Pins 2 & 3 N/A On N/A closed BASE I/O ADDRESS Setting SW1/1 SW1/2 SW1/3 » 1CCh On On On 1DCh Off On On 1ECh On Off On 2CCh Off Off On 2DCh On On Off 2ECh Off On Off 3CCh On Off Off BIOS ADDRESS Setting SW1/4 SW1/5 SW1/6 C0000h On On On C4000h Off On On C8000h On Off On CC000h Off Off On » D0000h On On Off D4000h Off On Off D8000h On Off Off DIAGNOSTIC LED(S) The function of the LED is unidentified.