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VL IDE & I/O CONTROLLER

TYAN COMPUTER CORPORATION

VL IDE & I/O CONTROLLER

Data bus:

32-bit, VL-bus

Size:

Three/quarter-length, full-height card

Hard drive supported:

Two IDE (AT) Interface drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

10-pin serial port (COM1/3/4) - external

CN1

25-pin parallel port (LPT1/2/3) - external

CN2

40-pin IDE(AT) Interface connector

JP4

34-pin control cable connector - floppy drive

JP6

10-pin serial port (COM2/3/4) - internal

JP8

15-pin game port - internal

JP9

4-pin connector - Drive active LED

JP20

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy drive enabled

J1

pins 2 & 3 closed

 

Floppy drive disabled

J1

pins 1 & 2 closed

Hard drive port address is 1F0-1F7h

J2

pins 2 & 3 closed

 

Hard drive port address is 170-177h

J2

pins 1 & 2 closed

Floppy drive booting sequence is A:/B:

J3

pins 2 & 3 closed

 

Floppy drive booting sequence is B:/A:

J3

pins 1 & 2 closed

Hard drive enabled

J4

pins 2 & 3 closed

 

Hard drive disabled

J4

pins 1 & 2 closed

Hard drive port address is 1F0-1F7, 3F0-3F7h

J5

pins 2 & 3 closed

 

Hard drive port address is 170-177, 370-377h

J5

pins 1 & 2 closed

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Game Port (CN6) enabled

J12

pins 2 & 3 closed

 

Game Port (CN6) disabled

J12

pins 1 & 2 closed

Local bus clock speed 33 MHz or 50 MHz

J16

pins 2 & 3 closed

 

Local bus clock speed 25 MHz or 40 MHz

J16

pins 1 & 2 closed

Single hard drive supported

JP5

closed

 

Two hard drives supported

JP5

open

Parallel port is bi-directional

JP7

closed

 

Parallel port is uni-directional

JP7

open

Hard drive Interrupt IRQ14 enabled

JP10

closed

 

Hard drive Interrupt IRQ14 disabled

JP10

open

Serial Port 2 (JP8) Interrupt IRQ3 enabled

JP11

closed

 

Serial Port 2 (JP8) Interrupt IRQ3 disabled

JP11

open

Serial Port 1 (CN1) Interrupt IRQ4 enabled

JP12

closed

 

Serial Port 1 (CN1) Interrupt IRQ4 disabled

JP12

open

Floppy drive Interrupt IRQ6 enabled

JP13

closed

 

Floppy drive Interrupt IRQ6 disabled

JP13

open

PARALLEL PORT (CN2) CONFIGURATION

LPT

J6

J7

LPT1 (378-37Fh)

pins 2 & 3 closed

pins 2 & 3 closed

 

LPT2 (278-27Fh)

pins 1 & 2 closed

pins 1 & 2 closed

 

LPT3 (3BC-3BEh)

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

SERIAL PORT 1 (CN1) CONFIGURATION

COM

J8

J9

COM1 (3F8-3FFh)

pins 2 & 3 closed

pins 2 & 3 closed

 

COM3 (3E8-3EFh)

pins 1 & 2 closed

pins 1 & 2 closed

 

COM4 (2E8-2EFh)

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

SERIAL PORT 2 (JP8) CONFIGURATION

COM

J10

J11

COM2 (2F8-2FFh)

pins 2 & 3 closed

pins 2 & 3 closed

 

COM3 (3E8-3EFh)

pins 2 & 3 closed

pins 1 & 2 closed

 

COM4 (2E8-2EFh)

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

HARD DRIVE TIMING OPTION

Function

J15

JP17

VESA mode enabled

pins 2 & 3 closed

open

 

ISA mode enabled

pins 1 & 2 closed

closed

PARALLEL PORT (CN2) INTERRUPT REQUEST

IRQ

JP14

JP15

 

5

closed

open

 

7

open

closed

Disabled

open

open

MISCELLANEOUS TECHNICAL NOTES

Jumpers JP16 & JP18 are not used.