DTK COMPUTER, INC. PTI-203 Card Type Multi I/O Chipset Controller Unidentified I/O Options Game/MIDI port, memory, parallel port, serial port (2) Maximum DRAM 2MB [Image] CONNECTIONS Purpose Location Purpose Location 16-pin game/MIDI port J1 9-pin serial port 1 J3 10-pin serial port 2 J2 25-pin parallel port J4 MEMORY ADDRESS Address Memory JP1 SW1/1 SW1/2 SW1/3 SW1/4 040000h 256K Pins 1 & On On Off Off 2 closed 080000h 512KB Pins 1 & Off On Off Off 2 closed 160000h 1.384MB Pins 1 & On Off Off Off 2 closed 100000h 1MB Pins 2 & Off Off On Off 3 closed 200000h 1.5MB Pins 2 & Off Off Off Off 3 closed 280000h 2MB Pins 2 & Off Off On On 3 closed 300000h 2.5MB Pins 2 & Off Off Off On 3 closed 300000h 3MB Pins 2 & Off Off On Off 3 closed 380000h 3.5MB Pins 2 & Off Off Off Off 3 closed 400000h 4MB Pins 2 & Off Off On On 3 closed 480000h 4.5MB Pins 2 & Off Off Off On 3 closed 500000h 5MB Pins 2 & Off Off On Off 3 closed 580000h 5.5MB Pins 2 & Off Off Off Off 3 closed 600000h 6MB Pins 2 & Off Off On On 3 closed 680000h 6.5MB Pins 2 & Off Off Off On 3 closed 700000h 7MB Pins 2 & Off Off On Off 3 closed 780000h 7.5MB Pins 2 & Off Off Off Off 3 closed 800000h 8MB Pins 2 & Off Off On On 3 closed MEMORY ADDRESS (CON’T) Address Memory SW1/5 SW1/6 SW1/7 040000h 256K Off Off Off 080000h 512KB Off Off Off 160000h 1.384MB Off Off Off 100000h 1MB On On On 200000h 1.5MB On On On 280000h 2MB Off On On 300000h 2.5MB Off On On 300000h 3MB Off On On 380000h 3.5MB Off On On 400000h 4MB On Off On 480000h 4.5MB On Off On 500000h 5MB On Off On 580000h 5.5MB On Off On 600000h 6MB Off Off On 680000h 6.5MB Off Off On 700000h 7MB Off Off On 780000h 7.5MB Off Off On 800000h 8MB On On On MEMORY ADDRESS (CON’T) Address Memory JP1 SW1/1 SW1/2 SW1/3 SW1/4 880000h 8.5MB Pins 2 & Off Off Off On 3 closed 900000h 9MB Pins 2 & Off Off On Off 3 closed 980000h 9.5MB Pins 2 & Off Off Off Off 3 closed A00000h 10MB Pins 2 & Off Off On On 3 closed A80000h 10.5MB Pins 2 & Off Off Off On 3 closed B00000h 11MB Pins 2 & Off Off On Off 3 closed B80000h 11.5MB Pins 2 & Off Off Off Off 3 closed C00000h 12MB Pins 2 & Off Off On On 3 closed C80000h 12.5MB Pins 2 & Off Off Off On 3 closed D00000h 13MB Pins 2 & Off Off On Off 3 closed D80000h 13.5MB Pins 2 & Off Off Off Off 3 closed E00000h 14MB Pins 1 & On Off Off Off 2 closed E80000h 14.5MB Pins 1 & Off Off Off Off 2 closed MEMORY ADDRESS (CON’T) Address Memory SW1/5 SW1/6 SW1/7 880000h 8.5MB On On Off 900000h 9MB On On Off 980000h 9.5MB On On Off A00000h 10MB Off On Off A80000h 10.5MB Off On Off B00000h 11MB Off On Off B80000h 11.5MB Off On Off C00000h 12MB On Off Off C80000h 12.5MB On Off Off D00000h 13MB On Off Off D80000h 13.5MB On Off Off E00000h 14MB Off Off Off E80000h 14.5MB Off Off Off SERIAL PORT 1 Setting Interrupt SW2/5 SW2/6 SW3/1 SW3/3 COM1 (3F8h) 4 On Off Off On COM2 (2F8h) 3 Off On On Off Disabled N/A On On On On SERIAL PORT 2 Setting Interrupt SW2/3 SW2/4 SW3/2 SW3/4 COM1 (3F8h) 4 On Off Off On COM2 (2F8h) 3 Off On On Off Disabled N/A On On On On PARALLEL PORT Setting Interrupt SW2/1 SW2/2 SW2/7 SW2/8 LPT1 (378h) 7 On Off Off On LPT2 (278h) 5 Off On On Off Disabled N/A On On On On GAME PORT Setting SW1/8 » Enabled On Disabled Off DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 128KB (18) 64K x 1 NONE NONE NONE 256KB (18) 64K x 1 (18) 64K x 1 NONE NONE 384KB (18) 64K x 1 (18) 64K x 1 (18) 64K x 1 NONE 512KB (18) 64K x 1 (18) 64K x 1 (18) 64K x 1 (18) 64K x 1 512KB (18) 256K x NONE NONE NONE 1 1MB (18) 256K x (18) 256K x NONE NONE 1 1 1.5MB (18) 256K x (18) 256K x (18) 256K x NONE 1 1 1 2MB (18) 256K x (18) 256K x (18) 256K x (18) 256K x 1 1 1 1