Sun Microsystems SUN BLADE 150, Service Manual

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C-12 Sun Blade 150 Service Manual • June 2002
OpenBoot PROM and POST software development during initial bringup phase and
two jumpers, one for enabling the use of connector ROMBO, the other for flash
PROM write-protect.
FIGURE C-7
PROM Interface
C.5.8 Smart Card Interface
The smart card reader interface conforms to ISO 7816.3. The smart card reader is
mounted to the peripheral assembly at the front of the system chassis. A 10-pin
ribbon cable connects the smart card PCB to the connector of the riser board. The
smart card connects to the on-board I2C (SMBus) interface on the SouthBridge ASIC.
FIGURE C-8
Smart Card Interface Header
Flash
Memory
EBUS DATA[7:0]
PCIO-2
373 EBUS ADR[7:0]
LEBUS ADR[19:8]
Address
Data
WE*
CS*
CE*
VCC
ROMBO_CS
SC_INT_L
+12V
1
3
5
7
9
2
4
6
8
10
I2C_CLK_L
+5V
I2C_DATA_L