Specifications

76
BIT Name Function
7 PROG Select on-board/external BIOS on ISA-bus
0 = External BIOS
1 = On-board BIOS
6 - 5 RES (reserved)
4 IRQ12 Enable PS/2 mouse interrupt on IRQ12
0 = IRQ12 disabled for PS/2 mouse
1 = IRQ12 enabled for PS/2 mouse
Please note: This function is not supported
on the PCM-4330 platform!
3 COM Enable serial interface driver
0 = Interface driver off
1 = Interface driver on
2 RES (reserved)
1 SOUND Enable sound chip
0 = Sound chip off
1 = Sound chip on
Please note: This function is not supported
on the PCM-4330 platform!
0 NET Enable ethernet chip
0 = Ethernet chip off
1 = Ethernet chip on
Please note: This function is not supported
on the PCM-4330 platform!
MISCSET Register 3
Index: E Data Port Description
MISCSET 3 PROG RES RES IRQ12 COM RES SOUND NET
PWR PROG x x 0 0 x 0 1
r/w x x r/w r/w x r/w r/w
D7 D6 D5 D4 D3 D2 D1 D0
Controller Revision
Index: F Data Port Description
REVISION ID3 ID2 ID1 ID0 REV3 REV2 REV1 REV0
PWR 0 0 0 1 x x x x
r r r r r r r r
D7 D6 D5 D4 D3 D2 D1 D0
Bit Name Function
7 - 4 ID3 - ID0 Identification code 4h in High-Nibble for AIO486
3 - 0 REV3 - REV0 Revision number for controller, currently 2h