Intel D865GLC Manual - Page 102

A22 AD28 B22 Ground A53 +3.3 V B53 AD07 A23 AD26 B23 AD27 A54 AD06 B54 +3.3 V A24 Ground B24 AD25 A55 AD04 B55 AD05 A25 AD24 B25 +3.3 V A56 Ground B56 AD03 A26 IDSEL B26 C/BE3# A57 AD02 B57 Ground A27 +3.3 V B27 AD23 A58 AD00 B58 AD01 A28 AD22 B28 Ground A59 +5 V (I/O) B59 +5 V (I/O) A29 AD20 B29 AD21 A60 REQ64C# B60 ACK64C# A30 Ground B30 AD19 A61 +5 V B61 +5 V A31 AD18 B31 +3.3 V A62 +5 V B62 +5 V * These signals (in parentheses) are optional in the PCI specification and are not currently implemented. Motherboard Resources Table 70: Typical Memory Map Address Range Address Range (hex) (decimal) 1024 K - 393216 K 100000 - 18000000 928 K - 1024 K E8000 - FFFFF 896 K - 928 K E0000 - E7FFF 800 - 896 K C8000 - DFFFF 640 K - 800 K 0 K - 512 K A0000 - C7FFF 00000 - 7FFFF Size 383 MB 96 KB 32 KB 96 KB 160 KB 512 KB Description Extended memory System BIOS System BIOS (Available as UMB) Available high DOS memory (open to ISA and PCI bus) Video memory and BIOS Conventional memory Table 71: DMA Channels DMA Channel Number Data Width 0 8- or 16-bits 1 8- or 16-bits 2 8- or 16-bits 3 8- or 16-bits 4 8- or 16-bits 5 16-bits 6 16-bits 7 16-bits System Resource Open Parallel port Floppy drive Parallel port (for ECP)/audio Reserved - cascade channel Open Open Open Table 72: I/O Map Address (hex) 0000 - 000F 0020 - 0021 002E - 002F 0040 - 0043 0048 - 004B 0060 0061 0064 0070 - 0071 0080 - 008F 00A0 - 00A1 00B2 - 00B3 00C0 - 00DE 00F0 - 00FF 0170 - 0177 01F0 - 01F7 Size 16 bytes 2 bytes 2 bytes 4 bytes 4 bytes 1 byte 1 byte 1 byte 2 bit 16 bytes 2 bytes 2 bytes 31 bytes 16 byte 8 bytes 8 bytes Description DMA 1 controller 1 Interrupt controller 1 Super I/O controller configuration registers Counter/Timer 1 Counter/Timer 2 Keyboard Controller Byte NMI, Speaker Control Keyboard controller Real time clock controller DMA page registers Interrupt controller 2 APM control DMA 2 Numeric processor Secondary IDE controller Primary IDE controller D865GLC Motherboard Manual 101