IEI Integration IEM-9452 - Manual (Page 109)

IEM-9452 ETX Module
Page 93
6.7.1 NorthBridge Configuration
Use the NorthBridge Configuration menu (BIOS Menu 21) to configure the Northbridge
chipset.
BIOS Menu 21:NorthBridge Chipset Configuration
Memory Hole [Disabled]
Use the Memory Hole option to reserve memory space between 15MB and 16MB for ISA
expansion cards that require a specified area of memory to work properly. If an older ISA
expansion card is used, please refer to the documentation that came with the card to see if
it is necessary to reserve the space.
Disabled D EFAULT Memory is not reserved for ISA expansion cards
15MB – 16MB Between 15MB and 16MB of memory is reserved for
ISA expansion cards