Sun Microsystems Blade 1500 - Page 461

Appendix C Functional Description C-29
TABLE C-8 lists all the clocks present in the Sun Blade 1500 workstation.
TABLE C-8 Clock Frequencies
Component Clock
Frequency
(MHz)
Source Description
UltraSPARC IIIi CPU J_CLK+ 125 ~ 350 MC12429/MC100LVEP14 LVPECL (JBus)
UltraSPARC IIIi CPU J_CLK- 125 ~ 350 MC12429/MC100LVEP14 LVPECL(JBus)
UltraSPARC IIIi CPU STICK 12 Oscillator System tick clock
JIO I/O bridge J_REFCLK+ 125 ~ 350 MC12429/MC100LVEP14 LVPECL(JBus)
JIO I/O bridge J_REFCLK- 125 ~ 350 MC12429/MC100LVEP14 LVPECL(JBus)
JIO I/O bridge P_REFCLK 33.33 ICS951601 PCI clock
JIO I/O bridge G_PCI_REFCLK 66.66 ICS951601 PCI clock
M1535D+
I/O subsystem
PCI_CLK 33.33 ICS951601 PCI clock
M1535D+
I/O subsystem
OSC32KI
OSC32KII
32.768KHz Dedicated crystal Real-time clock
M1535D+
I/O subsystem
USB_CLK 48.00 ICS951601 USB Clock
M1535D+
I/O subsystem
OSC14M 14.3182 ICS951601 Reference clock
IChip2 PCIClk 33.33 ICS951601 PCI clock
BCM5793
Gigabit Ethernet
PCICLK 66.66 ICS951601 PCI clock
BCM5793
Gigabit Ethernet
XIN 25.000 Dedicated crystal Integrated PHY Clk
CPLD PCICLK 33.33 ICS951601 PCI clock
PCI0 (33.3MHz) PCICLK 33.33 ICS951601 PCI clock
PCI1 (33.3MHz) PCICLK 33.33 ICS951601 PCI clock
PCI2 (33.3MHz) PCICLK 33.33 ICS951601 PCI clock
PCI3 (33.3MHz) PCICLK 33.33 ICS951601 PCI clock
PCI4 (66.6MHz) PCICLK 66.66 ICS951601 PCI clock