Memory Map Address Range; Table 4-22 Memory Map Address Range - Silicon Graphics 1400 Server Family Maintenance And Upgrade Manual

Chapter 4: Technical Reference

Memory Map Address Range

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Table 4-21 (continued)
Address(es) Resource
0678h - 067Ah Parallel Port (ECP)
0778h - 077Ah Parallel Port (ECP)
07BCh - 07BEh Parallel Port (ECP)
0CA0 - CA3h BMC Registers
0CF8h PCI CONFIG_ADDRESS
Register
0CF9h NBX Turbo and Reset
control
0CFCh PCI CONFIG_DATA
Register
46E8h Video Display Controller
Table 4-22 lists the memory map address ranges and the functions they support.
Table 4-22 Memory Map Address Range
Address Range (hex)
0 to 07FFFFh
0A0000h to 0BFFFFh
0C0000h and 0DFFFFh
0E0000h to 0FFFFFh
0E0000h to 0EFFFFh
FC000000h to FFFFFFFFh
System I/O Addresses
Device
PIIX4E
Amount
640 KB
128 KB
128 KB
128 KB
2 MB
64 MB
Notes
Located in 450NX
Located in 450NX
Function
DOS region, base system memory
Video or SMM memory
Add-in board BIOS and buffer area
System BIOS
Extended system BIOS
PCI memory space