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LCS-6640

LONGSHINE MICROSYSTEM, INC.

LCS-6640

Data bus:

16-bit, ISA

Size:

Three/quarter-length, full-height card

Hard drive supported:

Up to seven SCSI devices

Floppy drives supported:

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

CONNECTIONS

Function

Location

34-pin control cable connector - floppy drive

CN1

50 pin SCSI connector - internal

CN2

50 pin SCSI connector - external

CN3

2-pin connector - Drive active LED

JP6

CACHE MEMORY CONFIGURATION - JP1

Bank 0

Bank 1

Total size

Jumper 1

Jumper 2

Jumper 3

Jumper 4

 

256KB

0KB

512K

closed

open

closed

closed

256KB

256KB

1MB

closed

open

closed

open

 

256KB

1MB

2.5MB

closed

open

open

closed

 

256KB

4MB

8.5MB

closed

open

open

open

 

1MB

0KB

2MB

open

closed

closed

closed

 

1MB

256KB

2.5MB

open

closed

closed

open

 

1MB

1MB

4MB

open

closed

open

closed

 

1MB

4MB

10MB

open

closed

open

open

 

4MB

0KB

8MB

open

open

closed

closed

 

4MB

256KB

8.5MB

open

open

closed

open

 

4MB

1MB

10MB

open

open

open

closed

 

4MB

4MB

16MB

open

open

open

open

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Hard drive port address is 1F0-1F7h

JP3

closed

 

Hard drive port address is 170-177h

JP3

open

Floppy drive port address is 3F0-3F7h

JP4

closed

 

Floppy drive port address is 370-377h

JP4

open

BIOS ADDRESS

Address

JP5/Jumper 1

JP5/Jumper 2

 

D000h

closed

closed

D200h

closed

open

 

D400h

open

closed

 

disable

open

open

INTERRUPT REQUEST - JP7

IRQ

Jumper 1

Jumper 2

Jumper 3

Jumper 4

Jumper 5

 

IRQ15

closed

open

open

open

open

IRQ14

open

closed

open

open

open

 

IRQ12

open

open

closed

open

open

 

IRQ11

open

open

open

closed

open

 

IRQ10

open

open

open

open

closed

MISCELLANEOUS TECHNICAL NOTES

JP2 is factory configured - do not alter.