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BC640AT TYMDIAL

DATUM, INC.

BC640AT TYMDIAL

Category

PC Synchronization Clock

Data Bus Type

16-bit ISA

Memory Type

Unidentified

Maximum Onboard Memory

Unidentified

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

Receive Line

CN3

Transmit Line

CN2

   

INTERRUPT SELECT

IRQ

JP1/A

JP1/B

JP1/C

JP1/D

JP1/E

JP1/F

IRQ3

Closed

Open

Open

Open

Open

Open

IRQ4

Open

Closed

Open

Open

Open

Open

IRQ5

Open

Open

Closed

Open

Open

Open

IRQ6

Open

Open

Open

Closed

Open

Open

IRQ7

Open

Open

Open

Open

Closed

Open

IRQ9

Open

Open

Open

Open

Open

Closed

INTERRUPT SELECT (CONTINUED)

IRQ

JP1/G

JP1/H

JP1/I

JP1/J

JP1/K

JP1/L

IRQ10

Closed

Open

Open

Open

Open

Open

IRQ11

Open

Closed

Open

Open

Open

Open

IRQ12

Open

Open

Closed

Open

Open

Open

IRQ14

Open

Open

Open

Closed

Open

Open

IRQ15

Open

Open

Open

Open

Closed

Open

NONE

Open

Open

Open

Open

Open

Closed

FACTORY CONFIGURED SETTING

Switch

Setting

SW1/7

On

SW1/8

On

ADDRESS CONFIGURATION

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

100h

On

Off

On

On

On

On

110h

On

Off

On

On

On

Off

120h

On

Off

On

On

Off

On

130h

On

Off

On

On

Off

Off

140h

On

Off

On

Off

On

On

150h

On

Off

On

Off

On

Off

160h

On

Off

On

Off

Off

On

170h

On

Off

On

Off

Off

Off

180h

On

Off

Off

On

On

On

190h

On

Off

Off

On

On

Off

1A0h

On

Off

Off

On

Off

On

1B0h

On

Off

Off

On

Off

Off

1C0h

On

Off

Off

Off

On

On

1D0h

On

Off

Off

Off

On

Off

1E0h

On

Off

Off

Off

Off

On

1F0h

On

Off

Off

Off

Off

Off

200h

Off

On

On

On

On

On

210h

Off

On

On

On

On

Off

220h

Off

On

On

On

Off

On

230h

Off

On

On

On

Off

Off

240h

Off

On

On

Off

On

On

250h

Off

On

On

Off

On

Off

ADDRESS CONFIGURATION

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

260h

Off

On

On

Off

Off

On

270h

Off

On

On

Off

Off

Off

280h

Off

On

Off

On

On

On

290h

Off

On

Off

On

On

Off

2A0h

Off

On

Off

On

Off

On

2B0h

Off

On

Off

On

Off

Off

2C0h

Off

On

Off

Off

On

On

2D0h

Off

On

Off

Off

On

Off

2E0h

Off

On

Off

Off

Off

On

2F0h

Off

On

Off

Off

Off

Off

300h

Off

Off

On

On

On

On

310h

Off

Off

On

On

On

Off

320h

Off

Off

On

On

Off

On

330h

Off

Off

On

On

Off

Off

340h

Off

Off

On

Off

On

On

350h

Off

Off

On

Off

On

Off

360h

Off

Off

On

Off

Off

On

370h

Off

Off

On

Off

Off

Off

380h

Off

Off

Off

On

On

On

390h

Off

Off

Off

On

On

Off

3A0h

Off

Off

Off

On

Off

On

3B0h

Off

Off

Off

On

Off

Off

3C0h

Off

Off

Off

Off

On

On

3D0h

Off

Off

Off

Off

On

Off

3E0h

Off

Off

Off

Off

Off

On

3F0h

Off

Off

Off

Off

Off

Off