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BLACKBOARD 8/650

GTEK, INC.

BLACKBOARD 8/650

Card Type

Serial card

Chip Set

Unidentified

Maximum Onboard Memory

Unidentified

I/O Options

Serial ports (8 RS-232)

Hard Drives supported

None

Floppy drives supported

None

Data Bus

16-bit ISA

Card Size

Half-length, full-height card

CONNECTIONS

Function

Label

Function

Label

Serial port via RJ-45 connector

J1

Serial port via RJ-45 connector

J6

Serial port via RJ-45 connector

J2

Serial port via RJ-45 connector

J7

Serial port via RJ-45 connector

J3

Serial port via RJ-45 connector

J8

Serial port via RJ-45 connector

J4

Cascade cable connector

JB8

Serial port via RJ-45 connector

J5

 

 

Note: JB8 is used to cascade card to another Blackboard 8/650 via jumper cable.

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter.

JB2

Unidentified

Factory configured - do not alter.

JB3

Unidentified

Factory configured - do not alter.

JB5

Open

SERIAL PORT ADDRESS SELECTION

Setting

JB1/A

JB1/B

JB1/C

200h/600h/A00h/E00h/1200h/1600h/1A00h/1E00h

Closed

Closed

Open

210h/610h/A10h/E10h/1210h/1610h/1A10h/1E10h

Closed

Closed

Closed

100h-138h

Closed

Open

Closed

140h-178h

Open

Closed

Closed

180h-1B8h

Closed

Open

Open

2C0h/2C8h/2D0h/2D8h/3E8h/2E8h/3F8h/2F8h

Open

Open

Open

2C0h/2C8h/2D0h/2D8h/2E0h/2E8h/2F0h/2F8h

Open

Closed

Open

280h-2B8h

Open

Open

Closed

If all pins of JB1 are left open, Ports 4, 5, 6, and 7 become COM3, COM4, COM1, and COM2 respectively. If only JB1/B is closed, Ports 5 and 7 become COM4 and COM2 respectively

INSTRUCTIONAL NOTES

For individual port interrupts, see the 'Discrete Serial Port Interrupt Selection' table below.

For multiple ports assigned to one interrupt, select the desired ports from the 'Com Port Select' table below and assign an IRQ to them using the 'Serial Port Interrupt Selection' table.

DISCRETE SERIAL PORT INTERRUPT SELECTION

IRQ

JB6/JB7

IRQ10 on Port 0

JB6/A, Pin 2 jumped to JB7/A, Pin1

IRQ11 on Port 1

JB6/B, Pin 2 jumped to JB7/B, Pin1

IRQ12 on Port 2

JB6/C, Pin 2 jumped to JB7/C, Pin1

IRQ15 on Port 3

JB6/D, Pin 2 jumped to JB7/D, Pin1

IRQ5 on Port 4

JB6/E, Pin 2 jumped to JB7/E, Pin1

IRQ7 on Port 5

JB6/F, Pin 2 jumped to JB7/F, Pin1

IRQ4 on Port 6

JB6/G, Pin 2 jumped to JB7/G, Pin1

IRQ3 on Port 7

JB6/H, Pin 2 jumped to JB7/H, Pin1

COM PORT SELECT

Port

JB6/A-H

0

A closed

1

B closed

2

C closed

3

D closed

4

E closed

5

F closed

6

G closed

7

H closed

SERIAL PORT INTERRUPT SELECTION

IRQ

JB7/A-I

IRQ10

A closed

IRQ11

B closed

IRQ12

C closed

IRQ15

D closed

IRQ5

E closed

IRQ7

F closed

IRQ4

G closed

IRQ3

H closed

IRQ2

I closed

HIGH SPEED/NORMAL SPEED OPERATION SELECTION

Function

JB9

JB10

High speed operation enabled

Open

Closed

Normal speed operation enabled

Closed

Open

Note: The high speed (4x/460Kbps) operation feature applies only to Revision-A boards or later.

Normal operation mode transfer rate is 115Kbps.

MISCELLANEOUS TECHNICAL NOTES

To configure Guardian Watchdog™ system:

a) Plug supplied jumper cable onto top two pins of JB4 and plug other end onto reset jumper of mother-board.

b) Plug reset button cable onto bottom two pins of JB4.