Data bus:	16-bit, ISA
Size:	Half-length, half-height card
Hard drive supported:	Two IDE (AT) Interface drives
Floppy drives supported:	None

CONNECTIONS
Function	Location
5-pin connector - DC power	J5
40-pin IDE(AT) Interface connector	J6
4-pin connector - Drive active LED	J8

BIOS ADDRESS
Settings for Model 18 with Part # 1533-18-03-1 or earlier
	Address	J4/jumper 1	J4/jumper 2
	C800-C9FFh	pins 1 & 2 closed	pins 1 & 2 closed
»	D800-D9FFh	pins 2 & 3 closed	pins 1 & 2 closed
	DC00-DDFFh	pins 2 & 3 closed	pins 2 & 3 closed
	E000-E1FFh	pins 1 & 2 closed	pins 2 & 3 closed

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Hard drive port address is 1F0-1F7h (secondary)	JP4/jumper 2	pins 1 & 2 closed
	Hard drive port address is 1F0-1F7h (primary)	JP4/jumper 2	pins 2 & 3 closed

BIOS ADDRESS
Settings for Model 18 with Part # 1533-18-04-7 or later
	Address	J4/jumper 3	J4/jumper 4
	C800-C9FFh	pins 1 & 2 closed	pins 1 & 2 closed
»	D000-D1FFh	pins 1 & 2 closed	pins 2 & 3 closed
	D800-D9FFh	pins 2 & 3 closed	pins 1 & 2 closed
	E000-E1FFh	pins 2 & 3 closed	pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTES

Model 18 with Part # 1533-18-03-1 or earlier does not support hard drive port address 1F0-1F7h. J4/jumper 3 and J4/jumper 4 are not used on Model 18 with Part # 1533-18-03-1 or earlier. J4/jumper 1 is not used on Model 18 with Part # 1533-18-04-7 or later.