Acer TravelMate 270 Service Manual page 34

Parallel Port
Supports ECP/EPP/Bi-directional (PS/2
compatible)
Optional ECP DMA channel (in BIOS Setup)
Optional parallel port I/O address (in BIOS
Setup)
Optional parallel port IRQ (in BIOS Setup)
USB Port
USB Compliancy Level
OHCI
Number of USB port
Location
Serial port function control
PCMCIA Port
Item
PCMCIA controller
Supports card type
Number of slots
Access location
Supports ZV (Zoomed Video) port
Supports 32 bit CardBus
System Board Major Chips
Item
System core logic
Super I/O controller
Audio controller
Video controller
Hard disk drive controller
Keyboard controller
RTC
Keyboard
Keyboard controller
Keyboard vendor & model name
Total number of keypads
Windows logo key
Internal & external keyboard work simultaneously
Chapter 1
Item
Item
ENE CB1420 CardBus controller
Type-III/II
One type-III or Two type-II
Right panel
No ZV support
Yes (IRQ11)
SiS650+SiS961(SB)
SMC LPC47N227
Integrated Software Audio in SiS961 South Bridge with Realtek ALC202
AC97 Codec(No SPDIF)
Integrated VGA chip in SiS650 North Birdge
ICH2
NS87591
ICH2
Item
Yes (set by BIOS setup)
: When Mode is selected as EPP mode, "3BCh" will not be
N o t e
available.
DMA channel 1
378h, 278h, 3BCH
IRQ7, IRQ5
1.1
USB 1.1
3
Rear side
Enable/Disable by BIOS Setup
Specification
Controller
NS87591
Chicony
87/88/89 keys with 101/102 key emulation
Yes
Yes
Specification
Specification
Specification
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