Sun Microsystems Ultra 60 Service Manual page 244

Parallel Port
J2502
Keyboard/Mouse
J2501
Serial Port A
(Bottom) J4003
Serial Port B
(Top) J4002
TPE
J2301
MII
Rear
J2101
SCSI
J1901
J2703=FPROM R/W, J2605 + J2604=RS423/232,
J3001=UPA Clk /2 /3, J2804=FPROM Boot Hi-Lo.
FIGURE C-12
C-44 Sun Ultra 60 Service Manual • August 2001
J2802
NVRAM/
TOD
U1004
DIMM
U1003
bank 3
U1002
U1001
U0904
DIMM
U0903
bank 2
U0902
U0901
U0804
DIMM U0803
bank 1
U0802
U0801
U0704
U0703
DIMM
bank 0 U0702
U0701
Audio J3501
PCI 66 1 J1301
PCI 2 J1401
PCI 3 J1501
PCI 4 J1601
System Unit Motherboard Functional Block Diagram
Top
J2903
J2902
CPUSlot 1 (J0201)
CPU Slot 0 (J0101)
Monitor 0 J3301
Monitor 1 J3401
Internal SCSI
Bottom
Front
J1801