BT 1000 Motherboard Settings and Configuration

BASE SYSTEMS, INC.

BT 1000

Processor
80286
Processor Speed
10MHz
Chip Set
Everex
Max. Onboard DRAM
1MB
Cache
None
BIOS
AMI
Dimensions
355mm x 304mm
I/O Options
Serial ports (2), parallel port
NPU Options
80287

CONNECTIONS
Purpose
Location
Purpose
Location
Speaker
J2
Turbo LED
J12 pins 1 & 2
Power LED & keylock
J3
Reset switch
J12 pin 3
Serial port 2
J7
Ground
J12 pin 4
Serial port 2
J9
Turbo switch
J12 pin 5
Parallel port
J8
External battery
W15

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
DRAM speed select 0 wait states
W1/5
On

DRAM synchronous with 16-bit access cycle wait state
W1/5
Off
»
Factory configured - do not alter
W1/6
Off
»
Monitor type select color
W3
Closed

Monitor type select monochrome
W3
Open
»
8-bit access cycle speed select 4 wait states
W7
pins 1 & 2 closed

8-bit access cycle speed select 5 wait states
W7
pins 3 & 4 closed

8-bit access cycle speed select 6 wait states
W7
pins 5 & 6 closed
»
Factory configured - do not alter
W10
N/A
»
Factory configured - do not alter
W12
pins 3 & 4 closed
»
Factory configured - do not alter
W13
N/A
»
Factory configured - do not alter
W16
N/A

DRAM CONFIGURATION
Size
Bank 0
Bank 1
W1/switch 7
W1/switch 8
256KB
(18) 4164
(18) 4164
closed
closed
512KB
(18) 41256
NONE
closed
open
640KB
(18) 41256
(18) 4164
open
closed
1MB
(18) 41256
(18) 41256
open
open

NPU SPEED CONFIGURATION
Speed
W8
W11
8MHz
pins 1 & 2 closed
pins 1 & 2 closed
10MHz
pins 1 & 2 closed
pins 2 & 3 closed

PARALLEL PORT CONFIGURATION
Port
IRQ
Address
W4/1
W4/2
W4/3
W4/4
Disabled
NONE
NONE
Off
Off
Off
Off
LPT1
IRQ7
378H-37FH
On
Off
On
Off
LPT2
IRQ5
278H-27FH
On
On
Off
On

SERIAL PORT 1 CONFIGURATION
Port
W14
COM1
pins 1 & 2, 3 & 4 closed
COM3
pins 1 & 2 closed
Disabled
pins 3 & 4 closed

SERIAL PORT 2 CONFIGURATION
Port
W14
COM2
pins 5 & 6, 7 & 8 closed
COM4
pins 5 & 6 closed
Disabled
pins 7 & 8 closed

NPU SPEED CONFIGURATION
Speed
W8
W11
8MHz
pins 1 & 2 closed
pins 1 & 2 closed
10MHz
pins 1 & 2 closed
pins 2 & 3 closed

BIOS CONFIGURATION
Size
W1/1
W1/2
W1/3
W1/4
27128
On
On
Off
Off
27256
Off
Off
On
On

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BT 1000 Motherboard Settings and Configuration

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Processor	80286
Processor Speed	10MHz
Chip Set	Everex
Max. Onboard DRAM	1MB
Cache	None
BIOS	AMI
Dimensions	355mm x 304mm
I/O Options	Serial ports (2), parallel port
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	J2	Turbo LED	J12 pins 1 & 2
Power LED & keylock	J3	Reset switch	J12 pin 3
Serial port 2	J7	Ground	J12 pin 4
Serial port 2	J9	Turbo switch	J12 pin 5
Parallel port	J8	External battery	W15

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	DRAM speed select 0 wait states	W1/5	On
	DRAM synchronous with 16-bit access cycle wait state	W1/5	Off
»	Factory configured - do not alter	W1/6	Off
»	Monitor type select color	W3	Closed
	Monitor type select monochrome	W3	Open
»	8-bit access cycle speed select 4 wait states	W7	pins 1 & 2 closed
	8-bit access cycle speed select 5 wait states	W7	pins 3 & 4 closed
	8-bit access cycle speed select 6 wait states	W7	pins 5 & 6 closed
»	Factory configured - do not alter	W10	N/A
»	Factory configured - do not alter	W12	pins 3 & 4 closed
»	Factory configured - do not alter	W13	N/A
»	Factory configured - do not alter	W16	N/A

DRAM CONFIGURATION
Size	Bank 0	Bank 1	W1/switch 7	W1/switch 8
256KB	(18) 4164	(18) 4164	closed	closed
512KB	(18) 41256	NONE	closed	open
640KB	(18) 41256	(18) 4164	open	closed
1MB	(18) 41256	(18) 41256	open	open

NPU SPEED CONFIGURATION
Speed	W8	W11
8MHz	pins 1 & 2 closed	pins 1 & 2 closed
10MHz	pins 1 & 2 closed	pins 2 & 3 closed

PARALLEL PORT CONFIGURATION
Port	IRQ	Address	W4/1	W4/2	W4/3	W4/4
Disabled	NONE	NONE	Off	Off	Off	Off
LPT1	IRQ7	378H-37FH	On	Off	On	Off
LPT2	IRQ5	278H-27FH	On	On	Off	On

SERIAL PORT 1 CONFIGURATION
Port	W14
COM1	pins 1 & 2, 3 & 4 closed
COM3	pins 1 & 2 closed
Disabled	pins 3 & 4 closed

SERIAL PORT 2 CONFIGURATION
Port	W14
COM2	pins 5 & 6, 7 & 8 closed
COM4	pins 5 & 6 closed
Disabled	pins 7 & 8 closed

BIOS CONFIGURATION
Size	W1/1	W1/2	W1/3	W1/4
27128	On	On	Off	Off
27256	Off	Off	On	On