Sun Enterprise Clock Board

Part# 501-4946
Manufacturer: Sun Microsystems
Description: Clock Board - 83/90/100MHz Gigaplane (1:2, 1:3, 1:4 clock ratios)
Condition: Test, Clean, Pull, Guaranteed Working

Specifications:
Compatible Sun Microsystems Servers:
Manufacturer Notes:
  1. Clock 501-4946 was shipped in the E3500 - E6500.
  2. Clock 501-4946 was not shipped in the E3000 - E6000.
  3. Clock 501-4946 is supported in the E3000 - E6000 and E3500 - E6500.
Notes:
  1. The minimum OS for the Ex000 is Solaris 2.5.1.
  2. The minimum OS for the Ex500 is 2.5.1 HW: 11/97 or 2.6 HW: 3/98.
  3. The Clock Board is not a hot swap component.
  4. Clock 501-4946 supports 167, 250, 336, and 400MHz modules.
  5. Clock 501-4946 supports 1:2, 1:3, and 1:4 clock ratios.
  6. Use the POR button to perform a Power On Reset.
  7. Use the XIR button to perform an Externally Initiated Reset.
  8. After an XIR, memory is cleared and some CPU state is preserved.
  9. An XIR does not override the NVRAM auto-boot? parameter.
  10. Use the OBP .xir-state-all command to display the XIR information.
NVRAM Notes:
  1. The Clock Board, I/O Board, and I/O Graphics Board NVRAMs are automatically synchronized when the Clock Board NVRAM contents matches at least one I/O Board or I/O Graphics Board NVRAM.
  2. Use the following OBP command to manually synchronize a new or replacement I/O Board to an existing Clock Board:
  1. Use the following OBP command to manually synchronize a new or replacement Clock Board to an existing I/O Board:
You are purchasing the 501-4946 Clock Board Pictured.

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