Acer Power SC Power SC Service Guide - Page 24

Floppy disk drive Interface Item Floppy disk drive controller Floppy disk drive controller resident bus Support FDD format Specification SiS950 ISA bus 360KB, 720KB, 1.2MB, 1.44MB, 2.88MB Parallel Port Item Parallel port controller Parallel port controller resident bus Number of parallel ports Support ECP/EPP Connector type Parallel port function control Optional ECP DMA channel (in BIOS Setup) Optional parallel port I/O address (via BIOS Setup) Optional parallel port IRQ (via BIOS Setup) Specification SiS950 ISA bus 1 SPP / Bi-directional / ECP / EPP 25-pin D-type female connector Enable/disable by BIOS Setup DMA channel 1 DMA channel 3 378h 278h IRQ5 IRQ7 Serial Port Item Serial port controller Serial port controller resident bus Number of serial port Serial ports location 16550 UART support Connector type Optional serial port I/O address (via BIOS Setup) Optional serial port IRQ (via BIOS Setup) Specification SiS950 ISA bus 2 CN4, 5 Yes 9-pin D-type female connector COM1: 2F8h, 3E8h, 2E8h COM2: 3E8h, 3F8h, 2F8h COM1: IRQ 3, and 4 COM2: IRQ 4, and 3 Modem Item Fax modem data baud rate (bps) Data modem data baud rate (bps) Voice modem Modem connector type Full duplex Specification V.17 12K/1.44K V.90 32K to 56K (received only) V.253 RJ11 Yes NOTE: AcerPower Sc support V.90 56K with Universal DAA Fax/Modem. 16 Chapter 1