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28 Chapter 1
Connector type 25-pin D-type connector, in female type
Parallel port function control Enable/Disable/Auto (BIOS or operating system chooses
configuration) by BIOS Setup
Note: Depending on your operating system, disabling an unused
device may help free system resources for other devices.
Supports ECP/EPP/Bi-directional (PS/2
compatible)
Yes (set by BIOS setup)
Note: When Mode is selected as EPP mode, “3BCh” will not be
available.
Optional ECP DMA channel (in BIOS Setup) DMA channel 1
Optional parallel port I/O address (in BIOS
Setup)
378h, 278h
Optional parallel port IRQ (in BIOS Setup) IRQ7, IRQ5
USB Port
Item Specification
USB Compliancy Level 1.1
OHCI USB 1.1
Number of USB port 2
Location Right side
Serial port function control Enable/Disable by BIOS Setup
PCMCIA Port
Item Specification
PCMCIA controller OZ6912 CardBus controller
Supports card type Type II
Number of slots One type-II
Access location Right panel
Supports ZV (Zoomed Video) port No ZV support
Supports 32 bit CardBus Yes (IRQ11)
System Board Major Chips
Item Controller
System core logic Brookdale MP+ICH3-M
Super I/O controller SMsC 47N227, LPC interface
Audio controller Realtek ALC202 Codec
Video controller ATI M7-C
Hard disk drive controller ICH3-M
Keyboard controller NS 87591
RTC ICH3-M
Keyboard
Item Specification
Keyboard controller NS 87591
Keyboard vendor & model name Acer proprietary keyboard w/o launch button embeded
Total number of keypads 87/88/90 keys with 101/102 key emulation
Parallel Port
Item Specification
SG_TM420_Ch1.fm Page 28 Thursday, September 26, 2002 9:23 AM