16 Chapter 1NOTE: AcerPower Sc support V.90 56K with Universal DAA Fax/Modem.Floppy disk drive Interface
Item Specification
Floppy disk drive contro ller SiS950
Floppy disk drive controller resident bus ISA bus
Support FDD format 360KB, 720KB, 1.2MB, 1.44MB, 2.88MB
Parallel Port
Item Specification
Parallel port controller SiS950
Parallel port controller resident bus ISA bus
Number of parallel po rts 1
Support ECP/EPP SPP / Bi-directional / ECP / EPP
Connector type 25-pin D-type female connector
Parallel port function control Enable/disable by BIOS Setup
Optional ECP DMA channel
(in BIOS Setup)
DMA channel 1
DMA channel 3
Optional parallel port I/O address
(via BIOS Setup)
378h
278h
Optional parallel port IRQ
(via BIOS Setup)
IRQ5
IRQ7
Serial Port
Item Specification
Serial port controller SiS950
Serial port controller resident bus ISA bus
Number of serial port 2
Serial ports location CN4, 5
16550 UART support Yes
Connector type 9-pin D-type female c onnector
Optional serial port I/O address
(via BIOS Setup)
COM1: 2F8h, 3E8h, 2E8 h
COM2: 3E8h, 3F8h, 2F8h
Optional serial port IRQ
(via BIOS Setup)
COM1: IRQ 3, and 4
COM2: IRQ 4, and 3
Modem
Item Specification
Fax modem data baud rate (bps) V.17 12K/1.44K
Data modem data baud rate (bps) V.90 32K to 56K (received only)
Voice modem V.253
Modem connector type RJ11
Full duplex Yes