Acer Aspire T136 Service Manual page 26

Floppy disk drive Interface
Item
Floppy disk drive controller resident
bus
Support FDD format
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)
USB Port
Item
Universal HCI
USB Class
USB Number
20
ISA bus
360KB, 720KB, 1.2MB, 1.44MB, 2.88MB
ITE8712F
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
ITE8712F
ISA bus
1
Yes
9-pin D-type female connector
COM1: 2F8h, 3E8h, 2E8h
COM1: IRQ 3, and 4
USB 2.0
Support legacy keyboard for legacy mode
8 ( 4 rear , 4 internal)
Specification
Specification
Specification
Specification
Chapter 1