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Updated: Monday, April 7, 1997
Contents
System Memory Combinations
The VS440FX provides four 72-pin SIMM sockets that make it possible to install up to 256 MB of RAM. The sockets support 1M x 32/36 (4 MB), 2M x 32/36 (8 MB), 4M x 32/36 (16 MB), 8M x 32/36 (32 MB), and 16M x 32/36 (64 MB) single or double-sided, parity (x36), non-parity (x32), or ECC modules. Minimum memory size is 8 MB and maximum memory size, using four 16M x 32/36 SIMM modules, is 256 MB. Memory timing requires 60 ns fast page devices or, for optimum performance, 60 ns EDO DRAM.
The four sockets are arranged in two banks of two sockets each. The sockets are designated Bank 0 and Bank 1. Each bank provides a 64/72-bit wide data path. Both SIMMs in a bank must be of the same memory size and type, although the different types of memory may differ between banks. The followong tables show the possible memory combinations and an example of memory installation.
The VS440FX motherboard supports only tin-lead SIMMs.
Bank 0 (SIMM 1, 2) Bank 1 (SIMM 3, 4) Total System Memory Populated Empty Varies with SIMM size Empty Populated Varies with SIMM size Populated Populated Varies with SIMM size
Bank 0 (SIMM 1, 2) Bank 1 (SIMM 3, 4) Total System Memory 1M x 32 Empty 8 MB Empty 4M x 36 32 MB 2M x 32 8M x 32 80 MB
Tested SIMM Vendors - Fast Page SIMMs
The following tables list SIMMs that have been tested. SIMMs that are not listed should also function properly as long as their specifications are compatible with the devices listed below. In general, SIMM devices that are faster than those specified for a given platform will work, although no extra performance will be realized.
All Sizes: Tin-lead contacts.
Vendor Test Vendor Part Number Comments
1M x 32 (4MB), Non-Parity - 60ns Micron FULL MT8D132M-6 1st Tech Corporation BASIC 20-132-60T Camintonn Corp. BASIC 503204-67/INT Visiontek Inc. BASIC VT69030.0 1M x 36 (4MB), Parity - 60ns Camintonn Corp. BASIC 503604-6S/INT Toshiba BASIC THM3610B0AS-60 2M x 32 (8MB), Non-Parity - 60ns Micron Technology FULL MT16D232M-6 Samsung FULL KMM5322200AW-6 1st Tech Corporation BASIC 20-232-60T 1st Tech Corporation BASIC 20-232-601T 4 DRAMs Camintonn Corp. BASIC 503208-67/INT PNY Technologies Inc. BASIC 322006S51T16JD Tested by Delta Computec, Inc. Visiontek Inc. BASIC VT69050.0 2M x 36 (8MB), Parity - 60ns Hitachi FULL HB56D2365BN-6B Samsung FULL KMM5362203AW-6 Samsung FULL KMM5362203BW-6U Texas Instruments FULL TM248BBK36R-60 Camintonn Corporation BASIC 503608-67/INT Simple Technology BASIC STI362000-60T Simple Technology BASIC STI362000A-60T 4M x 32 (16MB), Non-Parity - 60ns Micron Technology FULL MT8D432M-6 Samsung FULL KMM5324100AK-6 1st Tech Corporation BASIC 20-432-60NT3 Advantage BASIC AMC4x32-60T Camintonn Corp. BASIC 503216-62/INT Visiontek Inc. BASIC VT69060.0 4M x 36 (16MB), Parity - 60ns Samsung FULL KMM5364103AK-6 Texas Instruments FULL TM497MBK36Q-60 1st Tech Corporation BASIC 20-436-60NT3 1st Tech Corporation BASIC 20-1040-05 9 DRAMs Camintonn Corporation BASIC 503616-6QC/INT Camintonn Corporation BASIC 503616-6LP/INT 8M x 32 (32MB), Non-Parity - 60ns Samsung Full KMM5328100AK-6 1st Tech Corporation BASIC 20-832-60NT3 1st Tech Corporation BASIC 20-1040-15 Camintonn Corp. BASIC 503232-61/INT Visiontek Inc. BASIC VT69070.0 8M x 36 (32MB), Parity - 60ns Camintonn FULL 503632-63/INT Samsung FULL KMM5368103BK-6 Samsung FULL KMM5368103BK-6U 1st Tech Corporation BASIC 20-1040-07 Camintonn Corporation BASIC 503632-6QC/INT Camintonn Corporation BASIC 503632-62/INT Micron BASIC MT18D836-6 Simple Technology BASIC STI368000-60T 16M x 36 (64MB), Parity - 60ns Camintonn Corporation FULL 503664-61/INT 1.7" high. Check your chassis for clearance 16M x 32 (64MB), Non-Parity - 60ns Camintonn Corporation BASIC 503264-61/INT 1.7" high. Check your chassis for clearance
Tested SIMM Vendors - EDO SIMMs
The following tables list SIMMs that have been tested. SIMMs that are not listed should also function properly as long as their specifications are compatible with the devices listed below. In general, SIMM devices that are faster than those specified for a given platform will work, although no extra performance will be realized.
Note: 60ns EDO SIMMs are required when the external CPU clock is set to 66 MHz. Either 60ns or 70ns SIMMs can be used for external clock frequencies of 50 MHz and 60 MHz, but no additional performance will be seen with the 60ns SIMMs.
All Sizes: Tin-lead contacts.
Vendor Test Vendor Part Number Comments
1M x 32 (4MB), - Non Parity - 60ns Micron FULL MT8D132M-6X 1st Tech Corporation BASIC 20-1039-09 Advantage BASIC AMC1x32-60TEDO Kingston Technology Corp. BASIC KTM1x32L-60ET Visiontek Inc. BASIC VT69210.0 2M x 32 (8MB), - Non Parity - 60ns Micron FULL MT16D232M-6X Mitsubishi FULL MH2M325CNZJ-6 NEC FULL MC-422000F32BA-60 Samsung Corning Co., Ltd FULL KMM5322204BW-6 1st Tech Corporation BASIC 20-1039-11 Advantage BASIC AMC2x32-60TEDO Camintonn Corp. BASIC 503208-67E/INT Celestica BASIC CL001D02325B00J-60 Kingston Technology Corp. BASIC KTM2x32L-60ET PNY Technologies Inc. BASIC 322006ES51T16JD Tested by Delta Computec, Inc. Visiontek Inc. BASIC VT69220.0 4M x 32 (16MB), - Non Parity - 60ns Hitachi FULL HB56U432SB-6BN Mitsubishi FULL MH4M325CNXJ-6 Samsung FULL KMM5324104AK-6 Samsung FULL KMM5324104BK-6 1st Tech Corporation BASIC 20-1040-17 Advantage BASIC AMC4x32-60TEDO Camintonn Corp. BASIC 503216-62E/INT Celestica BASIC CL001D04325B00J-60 Kingston Technology Corp. BASIC KTM4x32L-60ET Micron BASIC MT8D432M-5X PNY Technologies Inc. BASIC 324006ES52T08JB Tested by Delta Computec, Inc. Simple Technology Inc. BASIC STI324004T-60T Simple Technology Inc. BASIC A324004-60T Visiontek Inc. BASIC VT69240.0 8M x 32 (32MB), - Non Parity - 60ns Micron FULL MT16D832M-6X Micron FULL MT16D832M-60X Samsung FULL KMM5328104AK-6 1st Tech Corporation BASIC 20-1040-21 Advantage BASIC AMC8x32-60TEDO Camintonn Corp. BASIC 503232-61E/INT Kingston Technology Corp. BASIC KTM8x32L-60ET Micron BASIC MT16D832M-5X Simple Technology Inc. BASIC STI328004T-60T Simple Technology Inc. BASIC A328004-60T Visiontek Inc. BASIC VT69280.0
Tested SIMM Vendors - EDO ECC SIMMs
The following tables list SIMMs that have been tested. SIMMs that are not listed should also function properly as long as their specifications are compatible with the devices listed below. In general, SIMM devices that are faster than those specified for a given platform will work, although no extra performance will be realized.
Note: 60ns EDO SIMMs are required when the external CPU clock is set to 66 MHz. Either 60ns or 70ns SIMMs can be used for external clock frequencies of 50 MHz and 60 MHz, but no additional performance will be seen with the 60ns SIMMs.
All Sizes: Tin-lead contacts.
Vendor Test Vendor Part Number Comments
1M x 36 (4MB), EDO ECC - 60ns Kingston Technology Corp. BASIC KTM1x36L-60ET 2M x 36 (8MB), EDO ECC - 60ns Micron Technology FULL MT18D236AM-6X Kingston Technology Corp. BASIC KTM2x36L-60ET 4M x 36 (16MB), EDO ECC - 60ns Kingston Technology Corp. BASIC KTM4x36L-60ET 8M x 36 (32MB), EDO ECC - 60ns Micron Technology FULL MT18D836M-6X Kingston Technology Corp. BASIC KTM8x36L-60ET
