Acer Power SD Service Manual page 22

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)
Serial Port
Item
Serial port controller
Serial port controller resident bus
Number of serial port
16550 UART support
Connector type
Optional serial port I/O address
(via BIOS Setup)
Optional serial port IRQ
(via BIOS Setup)
Modem
Item
Fax modem data baud rate (bps)
Data modem data baud rate (bps)
Voice modem
Modem connector type
Full duplex
NOTE: AcerPower Sc support V.90 56K with Universal DAA Fax/Modem.
USB Port
Item
Universal HCI
USB Class
Memory Address Map
Address
000000 - 07FFFF
080000 - 09FFFF
Chapter 1
SiS961
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
SiS961
ISA bus
2
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
V.17 12K/1.44K
V.90 32K to 56K (received only)
V.253
RJ11
Yes
USB 1.1
Support legacy keyboard for legacy mode
Size
512KBytes
128KBytes
Specification
Specification
Specification
Specification
Function
Host Memory
Host/PCI Memory
15