ATC/UNITRON COMPUTERS & COMPUTER PARTS

U 4805 PCI/CACHE

Data Bus	32-bit PCI
Card Size	Half-length, full-length card
Hard Drives supported	Four IDE(AT) drives
Floppy drives supported	None

CONNECTIONS
Function	Location	Function	Location
40-pin primary IDE(AT) connector	CN1	4-pin connector - drive active LED	JP1
40-pin secondary IDE(AT) connector	CN2

BIOS ADDRESS SELECTION
Address		JP2/A	JP2/B
	C8000h	Closed	Closed
	CC000h	Closed	Open
	D8000h	Open	Closed
»	DC000h	Open	Open

BASE I/O ADDRESS SELECTION
Address		JP2/C	JP2/D
	168h	Closed	Closed
	170h	Open	Closed
	1E8h	Closed	Open
»	1F0h	Open	Open

PCI INTERRUPT SELECTION
INT	JP3/A	JP3/B	JP3/C	JP3/D
INTA	Closed	Open	Open	Open
INTB	Open	Closed	Open	Open
INTC	Open	Open	Closed	Open
INTD	Open	Open	Open	Closed

CACHE CONFIGURATION
Size	Bank 0	Bank 1
512KB	(1)512KB x 9	None
1MB	(1)512KB x 9	(2) 256KB x 9
2.5MB	(1)512KB x 9	(2) 1MB x 9
8.5MB	(1)512KB x 9	(2) 4MB x 9

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