CHAINTECH COMPUTER COMPANY, LTD.

CL-9028

Data bus:

32-bit VL-bus

Size:

Three-quarter length, full-height card

Hard drive supported:

Four IDE(AT) drives

Floppy drives supported:

None

CONNECTIONS

Function

Location

40-pin primary IDE(AT) connector

J1

40-pin secondary IDE(AT) connector

J2

VESA feature connection

J3

15-pin VGA connector

J4

4-pin connector - drive active LED

J5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

System clock is >33MHz

JP2/pins 2 & 3

closed

 

System clock is <=33MHz

JP2/pins 1 & 2

closed

»

IOCHRDY signal for primary IDE disabled

JP5/pins 2 & 3

closed

 

IOCHRDY signal for primary IDE enabled

JP5/pins 1 & 2

closed

»

IOCHRDY signal for secondary IDE disabled

JP6/pins 2 & 3

closed

 

IOCHRDY signal for secondary IDE enabled

JP6/pins 1 & 2

closed

»

IRQ 9 disabled

JP8/pins 2 & 3

closed

 

IRQ 9 enabled

JP8/pins 1 & 2

closed

IDE CONFIGURATION

Primary IDE (J1)

Secondary IDE (J2)

JP1

JP7

»

Disabled

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

 

Enabled

Disabled

pins 2 & 3 closed

pins 1 & 2 closed

 

Enabled

Enabled

pins 2 & 3 closed

pins 2 & 3 closed

IDE DEVICE TIMING MODE SELECTION

Mode

JP3

JP4

»

0 (600ns. low speed device)

pins 2 & 3 closed

pins 2 & 3 closed

 

0+ (500ns. normal speed device)

pins 2 & 3 closed

pins 1 & 2 closed

 

1 (383ns. fast speed device)

pins 1 & 2 closed

pins 2 & 3 closed

 

2 (240ns. turbo speed device)

pins 1 & 2 closed

pins 1 & 2 closed

MISCELLANEOUS TECHNICAL NOTES

The amount of Video DRAM is unidentified.