Compaq AP550 Compaq Professional Workstation AP550 Maintenance & Service G - Page 161
Table 7-4, System I/O, I/O Address Hex, System Function Shipping Configuration
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Table 7-4 System I/O continued I/O Address (Hex) 092 093 - 09F 0A0 - 0BF 0C0 - 0DF 0E0 - 0EB 0EC - 0ED 0EE - 0EF 0F0 - 0F1 0F2 - 0F3 0F4 - 0F5 0F6 - 0F8 0F9 0FA 0FB 0FC - 0FF 100 - 12F 130 - 131 132 - 16F 170 - 177 178 - 1EF 1F0 - 1F7 1F8 - 1FF 200 201 202 - 21F 220 - 22F 230 - 277 238 - 2EF 278 - 27F 280 - 2E7 Physical and Operating Specifications 7-5 System Function (Shipping Configuration) Port A Unused Interrupt controller # 2 DMA controller # 2 Unused 483 configuration index/data 483 fast A20/fast reset Co-Processor busy clear/reset Unused 483 CPU speed slow/fast Unused 483/PGL configuration lock Unused 483/PGL configuration unlock Unused Unused Modem PGL index/data (default; alternate = 140h, 260h, 270h) Unused Reserved; IDE controller can be set here in Setup. Unused Fixed disk controller Unused Unused Unused Unused Business Audio (default; alternate = 230h, 240h, 250h) Unused Reserved serial port Reserved parallel port Unused continued