DTK COMPUTER, INC. AT-RAMBANK Card Type Memory Chipset/Controller N/A I/O Options N/A Maximum DRAM 2048KB [Image] DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 512KB (18) 41256 None None None 1MB (18) 41256 (18) 41256 None None 1.5MB (18) 41256 (18) 41256 (18) 41256 None 2MB (18) 41256 (18) 41256 (18) 41256 (18) 41256 STARTING MEMORY ADDRESS SELECTION Memory Address SW2/1 SW2/2 SW2/3 SW2/4 SW2/5 SW2/6 SW2/7 SW1/8 512KB 080000h Off Off On Off Off Off Off Off 1MB 100000h Off Off Off On Off Off Off On 1.25MB 120000h On Off Off On Off Off Off On 1.25MB 140000h Off On Off On Off Off Off On 1.375MB 160000h On On Off On Off Off Off On 1.5MB 180000h Off Off On On Off Off Off On 1.625MB 1A0000h On Off On On Off Off Off On 1.75MB 1C0000h Off On On On Off Off Off On 1.875MB 1E0000h On On On On Off Off Off On 2MB 200000h Off Off Off Off On Off Off On 2.125MB 220000h On Off Off Off On Off Off On 2.25MB 240000h Off On Off Off On Off Off On 2.375MB 260000h On On Off Off On Off Off On 2.5MB 280000h Off Off On Off On Off Off On 2.625MB 2A0000h On Off On Off On Off Off On 2.75MB 2C0000h Off On On Off On Off Off On 2.875MB 2E0000h On On On Off On Off Off On 3MB 300000h Off Off Off On On Off Off On 3.125MB 320000h On Off Off On On Off Off On 3.25MB 340000h Off On Off On On Off Off On 3.375MB 360000h On On Off On On Off Off On 3.5MB 380000h Off Off On On On Off Off On 3.625MB 3A0000h On Off On On On Off Off On 3.75MB 3C0000h Off On On On On Off Off On 3.875MB 3E0000h On On On On On Off Off On 4MB 400000h Off Off Off Off Off On Off On 4.125MB 420000h On Off Off Off Off On Off On 4.25MB 440000h Off On On On On On Off On 4.375MB 460000h On On Off Off Off On Off On 4.5MB 480000h Off Off On Off Off On Off On 4.625MB 4A0000h On Off On Off Off On Off On 4.75MB 4C0000h Off On On Off Off On Off On 4.875MB 4E0000h On On On Off Off On Off On 5.0MB 500000h Off Off Off On Off On Off On 5.125MB 520000h On Off Off On Off On Off On 5.25MB 540000h Off On Off On Off On Off On 5.375MB 560000h On On Off On Off On Off On 5.5MB 580000h Off Off On On Off On Off On 5.625MB 5A0000h On Off On On Off On Off On 5.75MB 5C0000h Off On On On Off On Off On 5.875MB 5E0000h On On On On Off On Off On STARTING MEMORY ADDRESS SELECTION Memory Address SW2/1 SW2/2 SW2/3 SW2/4 SW2/5 SW2/6 SW2/7 SW1/8 6MB 600000h Off Off Off Off On On Off On 6.125MB 620000h On Off Off Off On On Off On 6.25MB 640000h Off On Off Off On On Off On 6.375MB 660000h On On Off Off On On Off On 6.5MB 680000h Off Off On Off On On Off On 6.625MB 6A0000h On Off On Off On On Off On 6.75MB 6C0000h Off On On Off On On Off On 6.875MB 6E0000h On On On Off On On Off On 7MB 700000h Off Off Off On On On Off On 7.125MB 720000h On Off Off On On On Off On 7.25MB 740000h Off On Off On On On Off On 7.375MB 760000h On On Off On On On Off On 7.5MB 780000h Off Off On On On On Off On 7.625MB 7A0000h On Off On On On On Off On 7.75MB 7C0000h Off On On On On On Off On 7.87MB 7E0000h On On On On On On Off On 8MB 800000h Off Off Off Off Off Off On On 8.125MB 820000h On Off Off Off Off Off On On 8.25MB 840000h Off On Off Off Off Off On On 8.375MB 860000h On On Off Off Off Off On On 8.5MB 880000h Off Off On Off Off Off On On 8.625MB 8A0000h On Off On Off Off Off On On 8.75MB 8C0000h Off On On Off Off Off On On 8.87MB 8E0000h On On On Off Off Off On On 9MB 900000h Off Off Off On Off Off On On 9.125MB 920000h On Off Off On Off Off On On 9.25MB 940000h Off On Off On Off Off On On 9.375MB 960000h On On Off On Off Off On On 9.5MB 980000h Off Off On On Off Off On On 9.625MB 9A0000h On Off On On Off Off On On 9.75MB 9C0000h Off On On On Off Off On On 9.87MB 9E0000h On On On On Off Off On On 10MB A00000h Off Off Off Off On Off On On 10.125MB A20000h On Off Off Off On Off On On 10.25MB A40000h Off On Off Off On Off On On 10.375MB A60000h On On Off Off On Off On On 10.5MB A80000h Off Off On Off On Off On On 10.625MB AA0000h On Off On Off On Off On On 10.75MB AC0000h Off On On Off On Off On On 10.87MB AE0000h On On On Off On Off On On STARTING MEMORY ADDRESS SELECTION Memory Address SW2/1 SW2/2 SW2/3 SW2/4 SW2/5 SW2/6 SW2/7 SW1/8 11MB B00000h Off Off Off On On Off On On 11.125MB B20000h On Off Off On On Off On On 11.25MB B40000h Off On Off On On Off On On 11.375MB B60000h On On Off On On Off On On 11.5MB B80000h Off Off On On On Off On On 11.625MB BA0000h On Off On On On Off On On 11.75MB BC0000h Off On On On On Off On On 11.87MB BE0000h On On On On On Off On On 12MB C00000h Off Off Off Off Off On On On 12.125MB C20000h On Off Off Off Off On On On 12.25MB C40000h Off On Off Off Off On On On 12.375MB C60000h On On Off Off Off On On On 12.5MB C80000h Off Off On Off Off On On On 12.625MB CA0000h On Off On Off Off On On On 12.75MB CC0000h Off On On Off Off On On On 12.87MB CE0000h On On On Off Off On On On 13MB C00000h Off Off Off On Off On On On 13.125MB D20000h On Off Off On Off On On On 13.25MB D40000h Off On Off On Off On On On 13.375MB D60000h On On Off On Off On On On 13.5MB D80000h Off Off On On Off On On On 13.625MB DA0000h On Off On On Off On On On 13.75MB DC0000h Off On On On Off On On On 13.87MB DE0000h On On On On Off On On On 14MB C00000h Off Off Off Off On On On On 14.125MB E20000h On Off Off Off On On On On 14.25MB E40000h Off On Off Off On On On On 14.375MB E60000h On On Off Off On On On On 14.5MB E80000h Off Off On Off On On On On 14.625MB EA0000h On Off On Off On On On On 14.75MB EC0000h Off On On Off On On On On 14.87MB EE0000h On On On Off On On On On 15MB F00000h Off Off Off On On On On On 15.125MB F20000h On Off Off On On On On On 15.25MB F40000h Off On Off On On On On On 15.375MB F60000h On On Off On On On On On 15.5MB F80000h Off Off On On On On On On 15.625MB FA0000h On Off On On On On On On 15.75MB FC0000h Off On On On On On On On 15.87MB FE0000h On On On On On On On On I/O PORT ADDRESS CONFIGURATION Address SW1/1 SW1/2 SW1/3 SW1/4 » 258h - 259h Off On Off Off 268h - 269h Off Off Off Off 208h - 209h On On On On 218h - 219h On Off On On 228h - 229h On Off On On 238h - 239h Off Off On On 248h - 249h On On Off On 278h - 279h Off Off Off On 288h - 289h On On On Off 298h - 299h Off On On Off 2A8h - 2A9h On Off On Off 2B8h - 2B9h Off Off On Off 2C8h - 2C9h On On Off Off 2D8h - 2D9h Off On Off Off 2E8h - 2E9h On Off Off Off 2F8h - 2F9h Off Off Off Off MEMORY CARD CONFIGURATION Expanded Conventional/Extended memory SW1/5 SW1/6 0KB 2MB On On 0KB 1.5MB On Off 0KB 1MB Off On 0KB 512KB Off Off 2MB 0KB Off Off 1.5MB 0KB Off Off 1MB 0KB Off Off 512KB 0KB Off Off PARITY CONFIGURATION Parity SW1/8 » Enabled On Disabled Off FACTORY CONFIGURED - DO NOT ALTER Switch Position SW1/7 N/A