BC 4030 Quick Reference Guide Board Layout Connectors J6 - Floppy diskette * 34 pin header 1 ground 2 speed 3 ground 4 n/c 5 ground 6 n/c 7 ground 8 index 9 ground 10 motor on 1 11 ground 12 drive sel 2 13 ground 14 motor sel 1 15 ground 16 motor on 2 17 ground 18 direction 19 ground 20 stop step 21 ground 22 write data 23 ground 24 write gate 25 ground 26 track 0 27 ground 28 write protect 29 ground 30 read data 31 ground 32 side select 33 ground 34 disk change J7 - IDE Hard Disk * 40 pin header 1 reset 2 ground 3 data 7 4 data 8 5 data 6 6 data 9 7 data 5 8 data 10 9 data 4 10 data 11 11 data 3 12 data 12 13 data 2 14 data 13 15 data 1 16 data 14 17 data 0 18 data 15 19 ground 20 n/c 21 n/c 22 ground 23 iow 24 ground 25 ior 26 ground 27 n/c 28 bale 29 n/c 30 ground 31 idint 32 n/c 33 sa1 34 n/c 35 sa0 36 sa2 37 cs5 38 hcs1 39 n/c 40 n/c J1 - Control Panel Connector * 5 pin header 1 Resistor pull-up for Power on LED 2 ON Battery LED 3 Reset switch (ground to reset computer) 4 IDE Drive LED 5 Ground J3 - CMOS Battery Connector * 2 pin header 1 Positive 2 Negative J11 - COMM 1 * DB9 connector. COMM 2 * DB9 connector from optional I/O Adapter. 1 DCD (data carrier detect) 2 RD (receive data) 3 TD (transmit data) 4 DTR (data terminal ready) 5 GND (ground) 6 DSR (data set ready) 7 RTS (request to send) 8 CTS (clear to send) 9 RI (ring indicator) Note: The COM2 header requires a optional I/O adapter from Cubix. Attempting to connect a serial device directly to this connector will damage the board. J5 - PS/2 Mouse Connector * 5 pin header This header requires a optional I/O adapter from Cubix. Attempting to connect a PS/2 mouse directly to this connector will damage the board. J10 - Video/Kybd Mux Connector * 14 pin header This header is for connection to the Optional Cubix Video Mux. 1 Red 2 Ground 3 Green 4 Ground 5 Blue 6 Ground 7 Hsync 8 Ground 9 Vsync 10 Ground 11 Kclk 12 Ground 13 Kdata 14 +5 (fused) J12 - Keyboard Connector * 6 pin mini-din 1 Data 2 n/c 3 Ground 4 +5V 5 Clock 6 n/c J13 - VGA Video Connector * DB15 1 Red 9 n/c 2 Green 10 Ground 3 Blue 11 n/c 4 n/c 12 n/c 5 Ground 13 Vsync 6 Ground 14 Hsync 7 Ground 15 n/c 8 Ground J8 - LPT1 * 20 pin header This header requires a optional I/O adapter from Cubix. Attempting to connect a device directly to this connector will damage the board. Switch Settings Switch S1 - IRQ Enable/Disable sw1 sw2 sw3 sw4 sw5 Disable COM1, COM2, and LPT1 - on - - - Disable IDE hardware on - - - - *COM/LPT/IDE enabled off off - - - A.C. Fail on IRQ 10 - - on - - A.C. Fail on IRQ 15 - - - on - *No A.C. Fail IRQ used - - off off - Mouse port IRQ 12 enabled - - - - on *Mouse port IRQ 12 disabled - - - - off * = default settings Switch S2 - Video Selection sw1 sw2 sw3 sw4 sw5 VGA (color) off on off on * VGA (mono) on off off on * 8514 off off off on * NEC 2A on on on off * NEC/NEC+ off on on off * NEC XL no off on off * NEC 3D off off on off * NEC 4D/5D on on off off * SW 5 = OFF for non-interlaced monitors ON for interlaced monitors Switch S3 - Reset on Loss of DCD or DSR sw1 sw2 sw3 sw4 Reset when DSR drops on COM1 on off * off Reset when DSR drops on COM2 off on off * Reset when DCD drops on COM1 * off on off off * off on Reset when DCD drops on COM 2 * set to ON to monitor BOTH DCD and DSR. OFF if only the reset condition indicated is desired IRQ, SIMM's & Memory Map Simm Module configuration (BC 4030) All BC 4030 system memory is provided in 72-pin by 36 bit stan dard 70ns SIMM modules in 4MB or 16MB versions. For the proper placing of SIMM modules, see table below. Simm Socket 1 2 3 4 Total MB 4MB NONE NONE NONE 4MB 4MB 4MB NONE NONE 8MB 4MB 4MB 4MB NONE 12MB 4MB 4MB 4MB 4MB 16MB 16MB NONE NONE NONE 16MB 16MB 4MB NONE NONE 20MB 16MB 4MB 4MB NONE 24MB 16MB 4MB 4MB 4MB 28MB 16MB 16MB NONE NONE 32MB 16MB 16MB 4MB NONE 36MB 16MB 16MB 4MB 4MB 40MB 16MB 16MB 16MB NONE 48MB 16MB 16MB 16MB 4MB 52MB 16MB 16MB 16MB 16MB 64MB IRQ Information IRQ Description 0 Timer Click 1 Keyboard 2 Second 8259A controller 3 COM2 4 COM1 5 Available 6 Floppy Disk Controller 7 LPT1 8 Real-Time Clock 9 Redirected IRQ2 10 Available 11 Available 12 Available 13 Math Coprocessor 14 Fixed Disk Controller 15 Available Memory Configuration FFFF /------------------/ | | F000-FFFF Reserved for ROM BIOS. | | | 64K | | | | | F000 |------------------| | | | 160K | C800-EFFF Available for use as Expanded | | (EMS) or Upper Memory (UMB). | | | | | | | | | | C800 |------------------| | 32K | C000-C7FF Reserved for VGA BIOS | | C000 |------------------| | 32K | B800-BFFF VGA/CGA Video Memory | | B800 |------------------| | 32K | B000-B7FF VGA/Mono Video Memory | | B000 |------------------| | 64K | A000-AFFF VGA Video Memory | | A000 |------------------| | | 0000-9FFF Conventional DOS | 640K | | | | | | | | | 0000 /------------------/ This document, and all Web contents, Copyright © 2000 by Cubix Corp., Carson City, NV, USA.