1-8 Technical Information
Table Section 1-4 I/O Address Map
Address (Hex)
I/O Device Name
00F0
Clear math coprocessor error
00F1
Reset math coprocessor
0F8-0FF
Math coprocessor
170-177
Secondary IDE channel
1F0-1F7
Primary IDE channel
200, 202, 207
Game I/O
220-22F
Sound port
238-23F
Serial port 4 (used for remapping)
278-27F
Parallel port 2
2B0-2DF
Alternate EGA adapter
2F8-2FF
Serial port 2
338-33F
Serial port 3 (used for remapping)
370-375
Floppy cont. (secondary address)
376
Secondary IDE channel CMD port
377
Secondary IDE channel stat port
378-37F
Parallel port 1
3B0-3BF
Mono display & printer adapter
3C0-3CF
EGA adapter
3D0-3DF
CGA adapter
3F0-3F5, 3F7
Floppy controller (primary)
3F8-3FF
Serial port 1
CF8-CFF
PCI configuration space
System Memory
Non-multimedia systems come standard with 8 MB of EDO memory: 640 KB of base
memory and 7 MB of extended memory. All multimedia, 1.2 GB hard disk configurations,
come standard with 16 MB of EDO memory: 640 KB of base memory and 15 MB of
extended memory. System memory can be expanded up to 128 MB, using optional single
in-line memory modules (SIMMs) installed in SIMM sockets on the system board.
Four SIMM sockets are integrated on the system board. Non-multimedia systems ship with
two 4-MB SIMMs (8 MB total) installed in two sockets. The multimedia, 1.2 GB hard disk
configurations, ship with two 8-MB SIMMs (16 MB total) installed in two sockets.
