Desktop 256-MB Memory Support Docs by product:

 Arrow256 MB 533MHz Dual DDR2 SDRAM - 5000989R
 Arrow256 MB 533 MHz Dual DDR2 SDRAM - 5006076R
 Arrow256 MB 533 MHz Dual DDR2 SDRAM - 5006077R
 Arrow256MB 400MHz DDR SDRAM - Samsung - 5001251
 Arrow256 MB 533 MHz Dual DDR2 SDRAM - ACEHYMP532S64P6-C4
 Arrow256 MB PC3200 400 MHz DDR SDRAM INFINEON - 5000945
 Arrow256 MB PC3200 400 MHz DDR SDRAM SAMSUNG - 5000946
 Arrow256 MB PC3200 400 MHZ DDR SDRAM - 5000947
 Arrow256 MB PC3200 400 MHZ DDR SDRAM MICRON - 5000948
 Arrow256 MB DDR2 Dual-channel 400 MHz INFINEON - 5000961
 Arrow256 MB DDR2 Dual-channel 400MHz MICRON - 5000962
 Arrow256 MB 333 MHz DDR SDRAM - INFINEON - 5000966
 Arrow256 MB 333 MHz DDR SDRAM - NANYA - 5000967
 Arrow256 MB 333 MHz DDR SDRAM - MICRON - 5000969
 Arrow256 MB 400 MHz DDR Dual Channel SDRAM NANYA - 5000977
 Arrow256 MB 400 MHz DDR Dual Channel SDRAM - HYNIX - 5000978
 Arrow256 MB 400 MHz DDR Dual Channel SDRAM - 5000979
 Arrow256 MB 400 MHz DDR Dual Channel SDRAM NANYA - WMEM1U25664DS88C3G-5T
 Arrow256 MB 400 MHz DDR Dual Channel SDRAM - HYNIX - WMEHYMD532646CP6J-D43
 ArrowMEM DDR 256MB PC333 32MX8 R0 - 6617604
 ArrowMEM RIMM 256MB PC1066 32MX8 R0 - 6617595
 ArrowMEM DDR 256-MB PC266B 32X8 - 6617594
 ArrowMEM DDR 256 MB PC3200 - 6617592
 ArrowMEM DIMM 256-MB 32MX8 R0 - 6617578
 Arrow256-MB 133/100/66-MHz 64-Bit 4-Clock 16x16 SDRAM DIMM - 6617577
 ArrowMEM RIMM 256-MB PC800 32MX2 R0 - 6617566
 Arrow256 MB 533MHz DDR2 ECC SDRAM - 5001200
 Arrow256 MB 667MHz DDR2 SDRAM - 5001257
 Arrow256 MB 667MHz DDR2 SDRAM - 5001258
 Arrow256 MB 667MHz DDR2 SDRAM - 5001259
 Arrow256 MB 667MHz DDR2 SDRAM - 5001260
 ArrowMEM DDR 256MB PC2700 512-Mbit R0 - 5000802
 ArrowMEM DDR 256MB PC333 32MX8 R0 - 5000739
 ArrowMEM DDR 256MB PC2700 R0 - 5000733
 ArrowMEM DDR 256 MB 400 MHz - 5000693
 ArrowMEM DDR 256MB PC3200 - 5000690
 ArrowMEM RIMM 256MB PC1066 32MX8 R0 - 5000674
 ArrowMEM DDR 256MB PC333 32MX8 R0 - 5000665
 ArrowMEM DDR 256MB PC333 16MX16 R0 - 5000664
 ArrowMEM RIMM 256-MB PC800 32MX2 R0 - 5000647
 ArrowMEM DIMM 256-MB 32MX8 R0 - 5000643
 ArrowMEM RIMM 256-MB PC800 256BIT R0 - 5000616
 ArrowMEM DDR 256-MB PC266B 32X8 - 5000583
 ArrowMEM DDR 256-MB PC266B 16X8 R0 - 5000582
 Arrow256-MB 133/100/66MHz 64-Bit 4-Clock 16x8 SDRAM DIMM - 5000532
 Arrow256-MB 100MHz SDRAM Registered DIMM - 5000370
 ArrowPC800 256-MB 144Bit RIMM - 5000357
 ArrowPC600 256-MB 144Bit RIMM - 5000351
 ArrowPC800 256-MB 128-Bit RIMM - 5000347
 ArrowPC600 256-MB 128Bit RIMM - 5000341
 Arrow256-MB 100 Mhz SDRAM registered DIMM - 5000273