BC 5190/5120/LE
Quick Reference Guide
Board Layout
Connectors
| J1 |
Floppy Drive |
| J2 |
IDE Drive |
| J3 |
BC I/O |
| J7 |
LPT1 |
| J8 |
COM2 |
| J11 |
COM1 |
| J12 |
Line Busy |
| J13 |
Ethernet |
J1 - Floppy diskette
| 1 ground |
2 speed |
3 ground |
| 4 n/c |
5 ground |
6 n/c |
| 7 ground |
8 index |
9 ground |
| 10 motor on |
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 |
|
|
J2 - IDE Hard Disk
| 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 |
|
|
J3 - BC I/O connector
| 1 gnd |
2 n/c |
3 ledsel- |
| 4 lanled |
5 ideled |
6 txdiled |
| 7 rxdiled |
8 n/c |
9 dtriled |
| 10 dcdiled |
11 spkr |
12 resetsw- |
| 13 ack |
14 poll |
15 mseclk |
| 16 mse data |
17 kclk |
18 kdata |
| 19 + 5vf |
20 vsync |
21 hsync |
| 22 gnd |
23 blu |
24 grn |
| 25 red |
26 gnd |
|
J7 - LPT1
This header requires a optional I/O adapter from Cubix. Attempting to
connect a device directly to this connector will damage the board.
J8 - COMM 2
| 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.
J11 - COMM 1
| 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) |
|
J12 - Line Busy (RJ11)
| 1 n/c |
2 n/c |
| 3 tip |
4 ring |
| 5 n/c |
6 n/c |
J13 - 10 Base-t Ethernet (RJ45)
| 1 transmit data (+) |
2 transmit data (-) |
| 3 Receive data (+) |
4 n/c |
| 5 n/c |
6 receive data (-) |
| 7 n/c |
8 n/c |
Switch Settings
Switch 1 - Reset on Loss of DCD or DSR
| |
sw1 |
sw2 |
| Reset when DSR drops on COM1 |
on |
off |
| Reset when DCD drops on COM1 |
off |
on |
| Reset when DCD or DSR drops on COM1 |
on |
on |
| Reset disabled |
off |
off |
| Factory settings (default) |
off |
off |
Note: If positions 1 and 2 are both set to ON, then loss
of DSR or DCD will reset the BC processor.
Switch 2 - Board Options and Interrupts
| |
sw1 |
sw2 |
sw3 |
sw4 |
sw5 |
| Supervisory IRQ to 10 |
on |
off |
|
|
|
| Supervisory IRQ to 15 |
off |
on |
|
|
|
| Disable Supervisory IRQ |
off |
off |
|
|
|
| PS/2 Mouse on IRQ 12 |
|
|
on |
|
|
| Disable PS/2 Mouse |
|
|
off |
|
|
| VGA Enabled |
|
|
|
|
on |
| VGA Disabled |
|
|
|
|
off |
| Factory settings (default) |
off |
on |
on |
off |
on |
Simms, IRQ's and Memory Map
Simm Module Configuration
All system memory is provided in 72-pin by 36 bit standard 70ns SIMM modules. For the
proper placing of SIMM modules, see table below. Note that both banks must be filled with
the same type of SIMM. No empty banks are allowed.
| Simm Socket 1 |
Simm Socket 2 |
Total |
| 4 |
4 |
8 |
| 8 |
8 |
16 |
| 16 |
16 |
32 |
| 32 |
32 |
64 |
| 64 |
64 |
128 |
IRQ Information
| IRQ |
Description |
| 0 |
Timer Click |
| 1 |
Keyboard |
| 2 |
Second PIC controller |
| 3 |
COM2 |
| 4 |
COM1 |
| 5 |
Available/Ethernet |
| 6 |
Floppy Disk Controller |
| 7 |
LPT1 |
| 8 |
Real-Time Clock |
| 9 |
Redirected IRQ2 |
| 10 |
Available/IES (s2) |
| 11 |
Available |
| 12 |
Available/PS2 Mouse (s2) |
| 13 |
Math Coprocessor |
| 14 |
Fixed Disk Controller |
| 15 |
Available/IES (s2) |
I/O Map
| 0000-00FF |
Various "AT" functions |
| 01F0-01F7 |
IDE hard drive interface |
| 02F8-02FF |
COM 2 |
| 03A0 |
Cubix supervisory interface |
| 03A8-03AF |
IES serial port |
| 03B4-03B5 |
VGA |
| 03BC-O3BF |
LPT1 |
| 03C0-03CF |
VGA |
| 03D4-03D5 |
VGA |
| 03F0-03F7 |
Floppy/IDE |
| 03F8-03FF |
COM 1 |
| |
|
| PCI PORTS |
|
| 0CF8-0CFF |
Used by PCI chipset |
| FF80-FF9F |
Used by Ethernet controller |
Memory Configuration
| 10000-7FFFF |
127MB |
Extended Memory |
| E000-FFFF |
128KB |
Reserved for system and PCI ROM BIOS |
| C800-DFFF |
96K |
Available as Expanded (EMS) or Upper Memory
(UMB) |
| C000-C7FF |
32K |
VGA BIOS |
| B800-BFFF |
32K |
VGA/CGA Video Memory |
| B000-B7FF |
32K |
VGA/Mono Video Memory |
| A000-AFFF |
64K |
VGA Video Memory |
| 0000-9FFF |
640K |
Conventional DOS |
This document, and all Web contents,
Copyright © 2000 by Cubix Corp., Carson City, NV, USA.
