TECMAR MAESTRO Card Type Multi-I/O Chipset Unidentified Maximum Onboard Memory 2.5MB DRAM I/O Options Parallel port, serial port Data Bus 8-bit ISA [Image] CONNECTIONS Function Label Function Label Serial port CN1 Parallel port CN2 Note:A DB-25 connector for the serial port attaches to the board via a 26-pin header. The location of this header is unidentified. USER CONFIGURABLE SETTINGS Setting Label Position » Factory configured - do not alter JPR Unidentified PARALLEL PORT ADDRESS Setting SW1/4 SW1/5 LPT1: Off On LPT2: On Off Disabled On On SERIAL PORT ADDRESS AND INTERRUPT Address IRQ JPR6/A JPR6/B JPR6/C SW1/6 SW1/7 3F8h 4 Open Closed Open Off Off (COM1:) 2F8h 3 Closed Open Open On Off (COM2:) 3E8h 4 Open Open Closed On On (COM3:) 2E8h 3 Open Open Closed Off On (COM4:) Note:Both the 9-pin and 25-pin connectors access the same serial port. SERIAL PORT CONFIGURATION Setting JPR4 DTE Pins 1 & 2, 3 & 4, 6 & 7, 8 & 9, 11 & 12, 13 & 14 closed DCE Pins 2 & 3, 4 & 5, 7 & 8, 9 & 10, 12 & 13, 14 & 15 closed DRAM (256KB ON MAINBOARD) Size Bank 0 Bank 1 Bank 2 Bank 3 Bank 4 0KB None None None None None 128KB None (18) 64K None None None x 1 256KB None (18) 64K (18) 64K None None x 1 x 1 384KB (18) 64K (18) 64K (18) 64K None None x 1 x 1 x 1 512KB (18) 64K (18) 64K (18) 64K (18) 64K x None x 1 x 1 x 1 1 640KB (18) 64K (18) 64K (18) 64K (18) 64K x (18) 64K x x 1 x 1 x 1 1 1 896KB (18) 64K (18) 64K (18) 64K (18) 256K None x 1 x 1 x 1 x 1 1408KB (18) 64K (18) 64K (18) 64K (18) 256K (18) 256K x 1 x 1 x 1 x 1 x 1 DRAM SWITCHES (256KB ON MAINBOARD) Size SW1/1 SW1/2 SW1/3 0KB Off On On 128KB Off On Off 256KB Off On Off 384KB Off On Off 512KB Off On Off 640KB Off On Off 896KB Off Off Off 1408KB Off Off Off DRAM (512KB ON MAINBOARD) Size Bank 0 Bank 1 Bank 2 Bank 3 Bank 4 0KB None None None None None 128KB (18) 64K None None None None x 1 256KB (18) 64K (18) 64K None None None x 1 x 1 384KB (18) 64K (18) 64K (18) 64K None None x 1 x 1 x 1 512KB (18) 64K (18) 64K (18) 64K (18) 64K None x 1 x 1 x 1 x 1 640KB 1 (18) 64K (18) 64K (18) 64K (18) 64K (18) 64K x 1 x 1 x 1 x 1 x 1 640KB 2 (18) 64K (18) 256K None None None x 1 x 1 1152KB (18) 64K (18) 256K (18) 256K None None x 1 x 1 x 1 1664KB (18) 64K (18) 256K (18) 256K (18) 256K None x 1 x 1 x 1 x 1 2176KB (18) 64K (18) 256K (18) 256K (18) 256K (18) 256K x 1 x 1 x 1 x 1 x 1 DRAM SWITCHES (512KB ON MAINBOARD) Size SW1/1 SW1/2 SW1/3 0KB Off On On 128KB On On Off 256KB On On Off 384KB On On Off 512KB On On Off 640KB 1 On On Off 640KB 2 On Off Off 1152KB On Off Off 1664KB On Off Off 2176KB On Off Off DRAM (640KB ON MAINBOARD) Size Bank 0 Bank 1 Bank 2 Bank 3 Bank 4 0KB None None None None None 128KB (18) 64K None None None None x 1 256KB (18) 64K (18) 64K None None None x 1 x 1 384KB (18) 64K (18) 64K (18) 64K None None x 1 x 1 x 1 512KB 1 (18) 64K (18) 64K (18) 64K (18) 64K None x 1 x 1 x 1 x 1 512KB 2 None (18) 256K None None None x 1 1MB 1 (18) 64K (18) 64K (18) 64K (18) 64K (18) 256K x 1 x 1 x 1 x 1 x 1 1MB 2 None (18) 256K (18) 256K None None x 1 x 1 1.5MB None (18) 256K (18) 256K (18) 256K None x 1 x 1 x 1 2MB None (18) 256K (18) 256K (18) 256K (18) 256K x 1 x 1 x 1 x 1 2.5MB (18) 256K (18) 256K (18) 256K (18) 256K (18) 256K x 1 x 1 x 1 x 1 x 1 DRAM SWITCHES (640KB ON MAINBOARD) Size SW1/1 SW1/2 SW1/3 0KB Off On On 128KB Off Off On 256KB Off Off On 384KB Off Off On 512KB 1 Off Off On 512KB 2 On Off On 1MB 1 Off Off On 1MB 2 On Off On 1.5MB On Off On 2MB On Off On 2.5MB On Off On