Sun Microsystems 60 service manual PSYCHO+ Asic

PSYCHO+

ASIC

66-MHz/64-bit PCI bus

PCI 66

Slot 1

UPA_AD2
UPA_AD3
UPA_AD0	Memory address/control
	Marvin
CPU	ASIC
module
0	UPA_AD1	CPU
Control
		module
		1
		Memory
UPA_DATA0	UPA_DATA 1
	144
144

UPA graphics	UPA_DATA2	K9+	Memory data
slots 0, 1				576
	64	ASIC
UPA_DATA3
72				Clock control	RISC
					ASIC
33-MHz/64-bit PCI bus		Symbios		SCSI bus	(External)
				SCSI bus
		controller			(Internal)
PCI	Cheerio	8	EBus2
slot 2	ASIC
PCI		Audio		Serial
slot 3		module
				ports	1-Mbyte
	XCVR				Flash
PCI		SuperIO			PROM
slot 4		ASIC		NVRAM/
				TOD
	10/100 Ethernet	Audio		Serial
				Ports

Keyboard/mouse/parallel/diskette

FIGURE C-1Ultra 60 System Unit Functional Block Diagram

Appendix C Functional Description C-3