Ampro Corporation XTX 820 manual CBE1

Chapter 3				Hardware
	J1	Signal	PCI	Description
	Pin #		Pin #
	49	CBE1*	106 (B44)	Bus Command and Byte Enable 1 – Refer to pin-52 (A52) for more
				information.
	45	AD14	107 (B45)	Address/Data bus 14 – Refer to Pin-20 (A20) for more information
		GND	108 (B46)	Ground
	41	AD12	109 (B47)	Address/Data bus 12 – Refer to Pin-20 (A20) for more information
	37	AD10	110 (B48)	Address/Data bus 10 – Refer to Pin-20 (A20) for more information
	NC	66 MHz/	111 (B49)	66 MHz Enable – This signal indicates to a device if the bus segment
		Ground		is operating at 66 or 33 MHz.
				Ground – If this pin is not used for 66 MHz operation, it is at ground
				potential.
		GND	112 (B50)	Ground for +3.3V boards
		GND	113 (B51)	Ground for +3.3V boards
	33	AD08	114 (B52)	Address/Data bus 08 – Refer to Pin-20 (A20) for more information
	32	AD07	115 (B53)	Address/Data bus 07 – Refer to Pin-20 (A20) for more information
		+3.3V	116 (B54)	+3.3 Volt Power
	30	AD05	117 (B55)	Address/Data bus 05 – Refer to Pin-20 (A20) for more information
	28	AD03	118 (B56)	Address/Data bus 03 – Refer to Pin-20 (A20) for more information
		Ground	119 (B57)	Ground
	25	AD01	120 (B58)	Address/Data bus 01 – Refer to Pin-20 (A20) for more information
		+3.3V(I/O)	121 (B59)	+3.3V I/O
	NC	ACK64*	122 (B60)	Acknowledge 64-bit Transfer – This signal indicates the target is
				willing to transfer data using 64 bits. Not used in 32-bit system.
	NC	+5V	123 (B61)	+5 Volt Power
	NC	+5V	124 (B62)	+5 Volt Power

Notes: The shaded area denotes power or ground. The signals marked with * = Negative true logic.

XTX 820 Reference Manual 23