DC100, DC100M Hard Disk/Floppy Controller Settings and Configuration

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

CONNECTIONS
Function	Location
9-pin serial port 1-external	CN1
25-pin parallel port-external	CN2
34-pin control cable connector-floppy drive	J1
40-pin IDE control cable connector-internal	J2
9-pin serial port 2-internal	JP1
4-pin connector-drive active LED	JP4

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Parallel port is output	JP2	closed
	Parallel port is bi-direction	JP2	open
»	Floppy drive enabled	JP3/jumper 8	pins 1 & 2 closed
	Floppy drive disabled	JP3/jumper 8	pins 2 & 3 closed

SERIAL PORT 1 CONFIGURATION
Port 1 (CN5)		JP3/jumper 1	JP3/jumper 2
»	COM1 (3F8) - IRQ4	pins 1 & 2 closed	pins 2 & 3 closed
	COM3 (3E8) - IRQ4	pins 2 & 3 closed	pins 1 & 2 closed
	Disabled	pins 2 & 3 closed	pins 2 & 3 closed

SERIAL PORT 2 CONFIGURATION
Port 2 (CN3)		JP3/jumper 3	JP3/jumper 4
»	COM2 (2F8h) - IRQ3	pins 1 & 2 closed	pins 2 & 3 closed
	COM4 (2E8h) - IRQ3	pins 2 & 3 closed	pins 1 & 2 closed
	Disabled	pins 2 & 3 closed	pins 2 & 3 closed

PARALLEL PORT CONFIGURATION
LPT	JP3/jumper 4	JP3/jumper 5
LPT1 enabled	pins 2 & 3 closed	pins 2 & 3 closed
LPT2 enabled	pins 1 & 2 closed	pins 2 & 3 closed
Disabled	pins 1 & 2 closed	pins 1 & 2 closed

CACHE CONFIGURATION
Size	Cache
512KB	(2) 256K x 9
2MB	(2) 1M x 9
8MB	(2) 4M x 9
Note: Both SIMM sockets must be occupied with identical SIMM's; i.e.: two 256KB, 1MB, or 4MB. The modules may be 8 or 9-bits wide and must be 80nsec or faster