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ACCULOGIC SIDE-4

Data bus:	16-bit, ISA
Size:	Half-length, full-height card
Hard drives supported:	Two IDE(AT) drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB or 1.44MB drives

CONNECTIONS
Function	Location
34-pin control cable connector-floppy drive	J1
4-pin connector-Drive Active LED	J2
9-pin serial port 1-external	J3
25-pin parallel port-external	J4
40-pin AT Interface (IDE) connector	J5
9-pin serial port 2-internal	J8

 

IRQ14 STATUS
Function	W3/Pins 1 & 2	W3/Pins 3 & 4
IRQ14 normal	open	closed
IRQ14 delayed until ACTIVE signal is removed	closed	open

 

USER CONFIGURABLE SETTINGS
Function	Location	Setting
Floppy drive enabled	W4A	closed
Floppy drive disabled	W4A	open
Floppy drive port address is 3F0-3F7h	W4B	open
Floppy drive port address is 370-377h	W4B	closed
Single speed floppy drives supported	W5	open
Dual speed floppy drives supported	W5	closed
Hard drive enabled	W9	closed
Hard drive disabled	W9	open

 

PARALLEL PORT (CN4) CONFIGURATION
CN4	W8/jumper 1	W8/jumper 2
LPT1 enabled	closed	open
LPT2 enabled	closed	closed
Disabled	open	open

 

SERIAL PORT 1 (CN3) CONFIGURATION
Function	W8/Jumper 3	W8/Jumper 4
Serial port 1 set to COM1 (3F8h)	closed	open
Serial port 1 set to COM3 (3E8h)	open	closed

 

SERIAL PORT 2 (CN8) CONFIGURATION
Function	W8/Jumper 5	W8/Jumper 6
Serial port 2 set to COM2 (2F8h)	closed	open
Serial port 2 set to COM4 (2E8h)	open	closed

 

I/O PORT INTERRUPT REQUEST
Function	Location	Setting
Parallel port (CN4) uses IRQ7	W7	pins 3 & 4 closed
Parallel port (CN4) uses IRQ5	W7	pins 1 & 2 closed
Serial port 2 (CN8) uses IRQ3	W7	pins 5 & 6 closed
Serial port 2 (CN8) uses IRQ4	W7	pins 5 & 7 closed
Serial port 1 (CN3) uses IRQ4	W7	pins 7 & 8 closed
Serial port 1 (CN3) uses IRQ3	W7	pins 6 & 8 closed

 

MISCELLANEOUS TECHNICAL NOTES
This controller has no on-board software.