RG82845G S L66F Intel, RG82845G S L66F Datasheet - Page 59

• Manufacturer Part Number: RG82845G S L66F
• Manufacturer: Intel

Specifications of RG82845G S L66F

• Lead Free Status / RoHS Status: Not Compliant

Intel
®
82845G/82845GL/82845GV GMCH Datasheet
Notes on Pre-Allocated Memory for Graphics
These Register Bits control the allocation of memory from main memory space for use as graphics
local memory. The memory for TSEG is pre-allocated first and then the graphics local memory is
pre-allocated. An example of this allocation mechanism is:
TOM equals 64 MB,
TSEG selected as 512 KB in size,
Graphics Local Memory selected as 1 MB in size
General System RAM available in system = 62.5 MB
VGA Memory and I/O Space Decode Priority
1. Integrated Graphics Device (IGD), Device 2.
2. PCI-to-PCI bridge, Device 1.
3. Hub Interface.
General System RAM Range
TSEG Address Range
TSEG pre-allocated from
Graphics Local Memory pre-allocated from 03E80000h to 03F7FFFFh
00000000h to 03E7FFFFh
03F80000h to 03FFFFFFh
03F80000h to 03FFFFFFh
Register Description
59