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BC 5xxxTE
Quick Reference Guide


Board Layout

bct-21.GIF (3869 bytes) Eb015.gif (2775 bytes)

BC 5xxxTE Series Board Layout & End Bracket


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

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.


Switch & Jumper Settings


Jumpers

JP1 - CPU Speed factory set Do not change
JP2 - CPU Speed factory set Do not change
JP4 - VGA Enable = o-o o Disable o o-o
JP5 - Ethernet Enable = o-o o Disable o o-o
JP6 - SCSI Enable = o-o o Disable o o-o
JP8 - Flash Write On = Enabled Off = Protect

Switch S1 - Reset on Loss of DCD or DSR for COM1

  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    
SCSII Upper 8 Bit Terminator Enabled         OFF
SCSI Upper 8 bit Terminator Disabled         ON
SCSI Lower 8 Bit Terminator Enabled       OFF  
SCSI Lower 8 Bit Terminator Disabled       ON  
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
128 128 256
                	      	               

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/SCSI
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
EC00-EC7F Used by SCSI adapter
E880-E8FF 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)
C800-CABFF 11K SCSI BIOS (if installed)
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

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2000 by Cubix Corp., Carson City, NV, USA.