2-2 SPARCengine Ultra AX
i
OEM Technical Manual • May 1999
2.1.1 CPU Module
2.1.2 Main Memory Modules
Min. required memory 32MB
Max. supported memory 1GB
8 sockets provided (4 Pairs)
Access size 128 DATA bits + 16 ECC bits = 144 bits = 1 Pair
1 Pair = 2 sockets of 72 + 72 bits DIMM
TABLE 2-1 CPU Module Options
Description
Choice 1
(270 MHz)
Choice 2
(300 MHz)
Choice 3
(333 MHz)
Choice 4
(360 MHz)
Choice 5
(360 MHz)
Choice 6
(440 MHz)
CPU module
features
Compliant with V9 SPARC architecture specification,
extended VIS support, integrated E-Cache support,
integrated interface similar to PCI Rev. 2.1
CPU Module
(packaged
separately)
UltraSPARC
IIi-270
UltraSPARC
IIi-300
UltraSPARC
IIi-333
UltraSPARC
IIi-360
UltraSPARC
IIi-360R
UltraSPARC
IIi-440R
Processor speed 270 MHz 300 MHz 333 MHz 360 MHz 360 MHz 440 MHz
Part No. 501-5039-03 501-5040-03 501-5090-01 501-5222-01 501-5148-02 501-5149-04
Cache 256 KB 512 KB 2 MB 2 MB 256 KB 2 MB
Power requirement See TABLE C-2 on page C-3
Core voltage used See TABLE 2-2 on page -11
CPU Module Board
dimensions
4 inches (101.6 mm) x 5 inches (127 mm)
1.65 inches (41.9 mm) in height 2.8 inches (71.12 mm) in
height
[2]
2. Includes height of the CPU fan that is part of the CPU module hold-down bracket (see FIGURE C-6 on page C-9 for an illustration).
Interface connectors 120-pin, 180-pin
See A.3.3 on page A-10 and A.3.4 on page A-13
Maximum heat sink
temperature
[1]
1. The maximum heat sink temperature was measured by gluing a thermal couple in a #60 hole in the heat sink located in the center of
the CPU area. The thermal couple was flush with the bottom of the heat sink.
93
o
C92
o
C91
o
C90
o
C75
o
C73
o
C
Air flow
requirement
300 lfm. (91.5 M/min.) on the heatsink Sun-supplied CPU fan
required
[3]
3. The typical heat sink temperature is less than 12
o
C above the inlet temperature when the CPU fan is running at maximum speed.
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