Motorola SM56 Schnellstart-Benutzerhandbuch - Seite 3
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Intel Pentium, 150MHz with MMX, 256K Level 2 (L2) cache
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Intel Pentium, 200MHz, 256K L2 cache
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Intel Pentium II
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Intel Pentium Pro
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Intel Celeron (Pentium II, 266MHz, no L2 cache)
The SM56 functions satisfactorily on the following systems. However, it has not been fully
qualified (it was not tested for processor loading or TSB performance):
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AMD K6, 233 MHz, 256K L2 cache
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AMD K6-2, 256K L2 cache
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Cyrix 6x86MX, 266MHz, 256K L2 cache
The SM56 does not function on the following CPUs, whose floating-point performance is
insufficient:
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Cyrix MediaGX
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Cyrix MediaGXM
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Cyrix 6x86
Level 2 Cache Benefits
Level 2 (L2) cache is an instruction memory (SRAM) bank that resides outside the CPU core. It
holds many instructions close to the CPU, to reduce the need for the processor to use slow access
cycles fetching instructions from main memory (DRAM). Eliminating most CPU accesses to main
memory considerably improves overall system performance.
The SM56 Software Modem works best when a minimum of 256K L2 Cache is installed on the
computer system motherboard to minimize processor loading. Intel's Celeron (266MHz PII)
systems do not have L2 cache. Although the SM56 operates on those systems, host processor
loading increases in the absence of L2 cache.
Compatible Operating Systems
The SM56 modem will run on the following operating systems:
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Windows 95 (OEM Service Release 2.0 or later)
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Windows 98
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DOS Box under Windows 95/98. Note that the SM56 PCI modem does not include direct DOS
box support. Refer to the Troubleshooting section for information on working around this
limitation.
System RAM Requirements
The SM56 Modem operates on systems that have the minimum RAM required by the installed
operating system. As with L2 cache, the more main memory, the better. The recommended RAM is
twice the required minimum. This reduces slow hard-disk swapping and improves overall system