Introduction
This description applies for the system board with ISA Bus.
Explanation of symbols
The meanings of the symbols and fonts used in this manual are as follows:
!
Pay particular attention to texts marked with this symbol. Failure to observe
this warning endangers your life, destroys the system, or may lead to loss of
data.
This symbol is followed by supplementary information, remarks and tips.
i
Texts which follow this symbol describe activities that must be performed in the
order shown.
This symbol means that you must enter a blank space at this point.
↵
This symbol means that you must press the Enter key.
Texts in this typeface
are screen outputs from the PC
.
Texts in this bold typeface
are the entries you make via the keyboard.
Texts in italics
indicate commands or menu items
.
"Quotation marks" indicate highlighted text and names of chapters.
A26361-D802-Z121-3-7619
1
Introduction
Features
– 32-bit microprocessor i486 SX/33 MHz (in PGA), i486 DX/33 MHz,
i486 DX2/50 MHz or i486 DX2/66 MHz with 8 Kbyte internal cache memory
(first level cache)
– Socket for Upgrade with OverDrive processor ODP486/33 MHz or
ODPR486/33 MHz
– Memory configuration on system board: 4 Mbyte to 32 Mbyte RAM onboard
– Second level cache memory on the system board: 0 oder 128 Kbyte
– Video memory on the system board: 1 Mbyte
– 114 Byte Setup memory in CMOS RAM
– BIOS can be copied into RAM
– Parts of the main memory can be copied into cache memory
– 128 Kbyte ROM
– Real-time clock/calendar with integrated battery backup
– Loudspeaker
– Floppy disk drive controller (up to 2.88 Mbyte format)
– Hard disk controller for IDE hard disk drives
– VGA controller connected to VESA Local Bus (graphics processor S3 86C805
with Windows accelerator)
– ISA bus interface
– Connector for IDE hard disk drive
– Connector for floppy disk drive
– Connector for external monitor controller
– Connector for external loudspeaker
– Parallel
interface
– two serial interfaces
– Mouse
interface
– Keyboard
port
– Monitor
interface
2
A26361-D802-Z121-3-7619
