RIO PLUS Hard Disk/Floppy Controller Settings and Configuration

Card Type	Memory/Multi-I/O
Maximum Onboard Memory	384KB DRAM
I/O Options	Apple ][ game port, clock/calendar, parallel port, SASI hard drive controller, serial port
Data Bus	8-bit ISA
Hard Drives Supported	Up to seven SASI drives

CONNECTIONS
Function	Label	Function	Label
Apple ][ game port	J1	Parallel or SASI port	J4
Unidentified	J2	Serial port	J5
1.5V AA battery connector	J3

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Memory enabled	SW1/3	On
	Memory disabled	SW1/3	Off
»	Parallel port address is 378h	SW1/6	Off
	Parallel port address is 278h	SW1/6	On
»	Serial port address is 3F8h (COM1:)	SW1/7	Off
	Serial port address is 2F8h (COM2:)	SW1/7	On
»	J4 is a parallel port	SW1/8	Off
	J4 is a SASI port	SW1/8	On

DRAM
Size	Bank 0	Parity 0	Bank 1	Parity 1	Bank 2	Parity 2
64KB	(8) 64K x 1	(1) 64K x 1	NONE	NONE	NONE	NONE
128KB	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1	NONE	NONE
192KB	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1
256KB	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1
320KB	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1
384KB	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1

DRAM (CON’T)
Size	Bank 3	Parity 3	Bank 4	Parity 4	Bank 5	Parity 5
64KB	NONE	NONE	NONE	NONE	NONE	NONE
128KB	NONE	NONE	NONE	NONE	NONE	NONE
192KB	NONE	NONE	NONE	NONE	NONE	NONE
256KB	(8) 64K x 1	(1) 64K x 1	NONE	NONE	NONE	NONE
320KB	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1	NONE	NONE
384KB	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1	(8) 64K x 1	(1) 64K x 1
Note:The information of which chips are the parity chips is unidentified.

MAINBOARD MEMORY
Size	SW1/1	SW1/2
64KB	On	On
128KB	On	Off
256KB	Off	On
320KB	Off	Off

SERIAL PORT INTERRUPT
Setting	SW1/4	SW1/5
IRQ3	Off	On
IRQ4	On	Off