System Unit Components; Table 1-2 System Unit/Server Components - Sun Microsystems Ultra 1 Creator Series Service Manual

Two IEEE 1496-compliant 25-MHz SBus input/output (I/O) slots
Two DB25-type standard connector serial ports
Each serial port supports synchronous and asynchronous communication.
DB25-type connector parallel port (Centronics compatible)
Standard Sunness
Note – Standard Sunness includes the time of day (TOD)/nonvolatile random-
access memory (NVRAM), and boot programmable read-only memory (PROM) or
FlashPROM for Power-On Self-Test/OpenBoot PROM (POST/OBP)
Built-in speaker
Diagnostic LED
Power conservation support
1.3.2

System Unit Components

System unit components are listed in
interior.
Note – Part numbers listed in
publication date but are subject to change without notice. Consult your authorized
Sun sales representative or service provider to confirm a part number prior to
ordering a replacement part.
TABLE 1-2
Component
CPU
CPU
TOD/NVRAM
DSIMM
DSIMM
illustrates the system unit rear panel.
FIGURE 1-4
System Unit/Server Components
Part Number
501-2486
501-4134
525-1430
501-2479
501-2622
.
TABLE 1-2 FIGURE 1-3
are correct as of the service manual
TABLE 1-2
Description
Ultra 1 Creator Series system board
(167-MHz)
Ultra 1 Creator Series system board
(200-MHz)
TOD/NVRAM
DSIMM, 16-Mbyte
DSIMM, 32-Mbyte
Chapter 1
illustrates the system unit
Product Description 1-5