|
Item | Interface |
---|---|
Hard disk drives | Two Enhanced IDE mode 4 local bus interface (American National Standards Institute-ANSI) |
Input/output (I/O) adapter cards |
IBM AT-ISA Plug and Play compatible fax/modem adapter card that operates at 8 MHz bus speed |
Diskette drive | AT diskette interface |
Video | For refresh rates and monitor frequency settings, see 'Refresh Rates and Monitor Frequencies'. Physical interface is compatible with the IBM Personal Systern/2 (PS/2) VGA interface. |
Serial | 9-pin connector with R5232D electrical interface |
Parallel | Bidirectional, ECP bidirectional and EPP bidirectional interfaces are supported. |
Pointing device | IBM PS/2-compatible mouse |
Keyboard device | IBM PS/2-compatible enhanced keyboard |
CD-ROM drive | AT IDE, extended architecture (XA) enabled drive |
Sound | Sound feature is built in system board with the compatibility to Sound Blaster (Creative Labs, Inc.). Wave table feature is resided in Audio-I/O adapter card. |
Audio-I/O Card Hardware Interfaces
Item | Interface |
---|---|
Game port | Game port interface for joystick, it also supports MIDI feature. |
Microphone-in Speaker-out Line-in |
Sound I/O interfaces between system board and external peripheral. |
Memory Map Table
This table shows the hexadecimal addresses for the system memory regions.
You may use this information for adapter cards that require you to set up memo regions.
Address range | Description |
---|---|
0-40 KB (000000-09FFFF) | Base memory |
640-768 KB (0A0000-0BEFFE) | PCI/ISA video buffer memory |
768-800 KB (0C0000-0C7FFF) | Video BIOS memory |
800-896 KB (0C8000-0DFFFF) | ISA card BIOS and buffer memory |
896-960 KB (0E0000-0EFIFF) | BIOS extension memory Setup and POST memory PCI development BIOS |
960-1024 KB (0F0000-0FFFFF) | System BIOS memory |
1024 KB-Upper Limit | Main memory |
Upper Limit-4 GB | PCI memory |
System Input/Output Addresses
This table shows the hexadecimal addresses for each of the system board input/output (I/O) functions
Address range | Function |
---|---|
0000-001F | DMA controller 1 |
0020-003F | Interrupt controller 1 |
0040-0047 | System timer |
0050-0057 | System timer |
0060-006F | System controller 8742 |
0070 | CMOS RAM address and NMI mask |
0078-007B | Real-time clock |
0080-009F | DMA page register |
00A0-00BF | Interrupt controller 2 |
00C0-00DF | DMA controller 2 |
000F-00FF | Math coprocessor |
0170-0177, 0376 | Secondary IDE controller |
01F0-01F7, 03F6 | Primary IDE controller |
0200-0207 | Joystick |
0220-022F, 0388-0389, 0534-0537 |
Audio. |
0330-0333 | MIDI |
0278-027F | Parallel port 2 |
02F8-022F | Serial port 2 |
0378-037F | Parallel port 1 |
03F0-03F7 | Diskette drive controller |
03F8-03FF | Serial port 1/modem |
0CF8 | PCI mechanism #1 configuration address register |
0CFC | PCI mechanism #2 configuration data register |
F000-F010 | Bus master IDE |
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