PT-627 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	32-bit, VL-bus
Size:	Three/quarter-length, half-height card
Hard drive supported:	Four IDE (AT) interface drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, 1.44MB, or 2.88MB drives

CONNECTIONS
Function	Location
40-pin IDE (AT) interface connector - port 1	CN1
40-pin IDE (AT) interface connector - port 2	CN2
34-pin control cable connector - floppy drive	CN3
Game port	CN4
Serial port 1 - external	CN5
Serial port 2 - internal	CN6
Parallel port	CN7
2-pin connector - primary drive port active LED	CN8
2-pin connector - secondary drive port active LED	CN9

USER CONFIGURABLE SETTINGS
Function		Location	Setting
	IOCHRDY enabled	J1	Closed
	IOCHRDY disabled	J1	Open
»	Primary IDE port enabled	JP5	Pins 1 & 2 closed
	Primary IDE port disabled	JP5	Pins 2 & 3 closed
»	Secondary IDE port disabled	JP6	Pins 2 & 3 closed
	Secondary IDE port enabled	JP6	Pins 1 & 2 closed
»	Floppy drive enabled	JP7	Pins 1 & 2 closed
	Floppy drive disabled	JP7	Pins 2 & 3 closed
»	Game port enabled	JP8	Pins 1 & 2 closed
	Game port disabled	JP8	Pins 2 & 3 closed
	ECP enabled	JP16	Pins 1 & 2 closed
	ECP disabled	JP16	Pins 2 & 3 closed

USER CONFIGURABLE SETTINGS
Function	Location	Setting
CN8 and CN9 enabled for both primary and secondary IDE ports	JP18	Closed
CN8 used for primary IDE port/CN9 used for secondary IDE port	JP18	Open

PARALLEL PORT CONFIGURATION
LPT		JP9	JP11
»	LPT2	Pins 1 & 2 closed	Pins 1 & 2 closed
	LPT3	Pins 2 & 3 closed	Pins 1 & 2 closed
	Disabled	N/A	Pins 2 & 3 closed

ENHANCED PARALLEL PORT CONFIGURATION
Setting		JP10	JP11
»	Standard parallel port enabled	Pins 1 & 2 closed	Pins 2 & 3 closed
	EPP enabled	Pins 2 & 3 closed	Pins 1 & 2 closed
	ECP enabled	Pins 1 & 2 closed	Pins 1 & 2 closed

SERIAL PORT 1 CONFIGURATION
COM/Address		JP12	JP13
»	COM1/3F8h	Pins 1 & 2 closed	Pins 1 & 2 closed
	COM3/3E8h	Pins 1& 2 closed	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed	N/A

SERIAL PORT 2 CONFIGURATION
COM		JP14	JP15
»	COM2/2F8h	Pins 1 & 2 closed	Pins 1 & 2 closed
	COM4/2E8h	Pins 2 & 3 closed	Pins 1 & 2 closed
	Disabled	N/A	Pins 2 & 3 closed

SERIAL PORTS 1 & 2 INTERRUPT SELECT
IRQ	JP20	JP21
IRQ3	Pins 2 & 3 closed	N/A
IRQ4	N/A	Pins 2 & 3 closed
IRQ5	Pins 1 & 2 closed	N/A
IRQ9	N/A	Pins 1 & 2 closed

HARD DRIVE SPEED
Setting	ID0	ID1
Speed 0 (HDD < 40MB)	Pins 2 & 3 closed	Pins 2 & 3 closed
Speed 1 (40/50Mhz CPU)	Pins 1 & 2 closed	Pins 1 & 2 closed
Speed 2 (25/33Mhz CPU)	Pins 1 & 2 closed	Pins 2 & 3 closed
Speed 3 (<20Mhz CPU)	Pins 2 & 3 closed	Pins 1 & 2 closed

DRQ SELECT - S1
DRQ	Jumper A	Jumper B	Jumper C
DRQ1	Closed	Open	Open
DRQ3	Open	Closed	Open
Disabled	Open	Open	Closed

DACK SELECT - S2
DACK	Jumper A	Jumper B	Jumper C
DACK1	Closed	Open	Open
DACK3	Open	Closed	Open
Disabled	Open	Open	Closed