IBM 689912U Hardware Maintenance Manual - Page 258

System Board Memory The following matrix cross-references the name of the computer (printed on the logo) and the size, speed, and type of memory modules supported in the computer. Attention For SIMM memory, PC 300/700 Series computers support gold-plated SIMMs, except Types 6560, 6576/6586, 6577/6587, 6598, and 6877/6887 that support only tin-lead SIMMS. Computer Name PC 300 Pentium Models 133/233 MHz Type 6272, 6282, 6284 PC 300 Pentium II Models 300/333/350/ 400 MHz Type 6275, 6285 PC 300 Pentium II Models 233/266/333 MHz Type 6561, 6591 PC 300 Pentium Models 166/200/233 MHz Type 6562, 6592 PC 300 Pentium II Models 233/266 MHz Type 6588 Size 8 MB 16 MB 32 MB 64 MB 128 MB Maximum 16 MB 32 MB 64 MB 128 MB 384 MB Maximum 16 MB 32 MB 64 MB 128 MB 256 MB Maximum 16 MB 32 MB 64 MB 128 MB 384 MB Maximum 16 MB 32 MB 64 MB 128 MB 256 MB 512 MB Maximum Memory Module Speed Type 60 ns EDO Non-Parity or SDRAM 100 MHz. Industry Standard SDRAM ECC or Non-Parity 66 MHz Industry Standard SDRAM Non-Parity or ECC 60 ns Industry Standard EDO Non-Parity or ECC 60 ns Industry Standard EDO Non-Parity or ECC Industry Standard 248 IBM PC 300/700, IntelliStation Series HMM