Technical information

28 OpenBook 1556
Mechanical Specification
Item Specification
Dimensions 326 (W) x 270 (D) x 29.8 (H) mm for 15.0” TFT
Weight 5.73 lbs for 15.0” TFT model
I/O Ports One Type II/I CardBus socket, One RJ-11 modem port, One RJ-45 LAN port, One
DC-in jack (AC adapter), One FIR port (option), One ECP/EPP compliant parallel
port, One external monitor port, One S-Video out port, Three USB ports, One
audio line-out jack, One microphone-in jack, One 1394 port, One key lock.
Drive Bays One
Material Housing: MCS-050
Panel : Plastic
Indicators Wireless Communication, Power LED, Sleep LED, Media Activity, Battery Charge,
Caps Lock, Num Lock
Switch Power
Memory Address Map
Memory Address Size Function
F0000-FFFFFh 64KB System BIOS
E0000-EFFFFh 64KB Extended BIOS
D0000-DFFFFh 64KB I/O ROM
C0000-CCBFFh 51KB VGA BIOS
A0000-BFFFFh 128KB Video memory
00000-09FFFFh 640KB Conventional memory
I/O Address Map
I/O Address Function
00000000-00000CF7 PCI bus
00000000-0000001F Direct memory access controller
00000020-00000021 Programmable interrupt controller
00000024-00000025 Programmable interrupt controller
00000028-00000029 Programmable interrupt controller
0000002C-0000002D Programmable interrupt controller
0000002E-0000002F Motherboard resources
00000030-00000031 Programmable interrupt controller
00000034-00000035 Programmable interrupt controller
00000038-00000039 Programmable interrupt controller
0000003C-0000003D Programmable interrupt controller
00000040-00000043 System timer
00000050-00000053 System timer
00000060-00000060 Standard 101/102-key or Microsoft natural PS/2 keyboard
00000061-00000061 Motherboard resources
00000062-00000062 Microsoft ACPI-compliant Embedded controller
00000063-00000063 Motherboard resources
00000064-00000064 Standard 101/102-key or Microsoft natural PS/2 keyboard
00000065-00000065 Motherboard resources
00000066-00000066 Microsoft ACPI-compliant embedded controller
00000067-00000067 Motherboard resources