RG82845G S L66F Intel, RG82845G S L66F Datasheet - Page 186
RG82845G S L66F
Manufacturer Part Number
RG82845G S L66F
Description
Manufacturer
Intel
Datasheet
1.RG82845G_S_L66F.pdf
(193 pages)
Specifications of RG82845G S L66F
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9.4.2
9.5
9.6
Intel
®
82845G/82845GL/82845GV GMCH Datasheet
CAPREG—Capability Identification Register (Device 0)
Address Offset
Default Value
Access
Size:
Host-to-AGP Bridge Registers (Device 1)
Device 1 does not exist on the 82845GL/82845GV components. The Device 1 registers described
in
locations are Intel Reserved.
Synchronous Display Differences
The synchronous display is different between the 82845G and 82845GL\82845GV. For the
82845GL\82845GV, replace
Synchronous Display
Microsoft Windows 98 and Windows 2000 have enabled support for multi-monitor display.
Synchronous mode will display the same information on multiple displays.
Since the GMCH has several display ports available for its single pipe, it can support synchronous
display on two displays unless one of the displays is a TV. No synchronous display is available
when a TV is in use. The GMCH does not support two synchronous digital displays. The GMCH
cannot drive multiple displays concurrently (different data or timings). Since the GMCH does not
support AGP, it is incapable of operating in parallel with an external AGP device. The GMCH can,
however, work in conjunction with a PCI graphics adapter.
Intel
Table 9-1
differences between the ballout list in this chapter and the ballout list in
signals have been replaced with their corresponding DVO signal names. Since not all 82845G AGP
signals are multiplexed, the remaining non-multiplexed 82845G AGP signal ballouts are shown in
Table 9-1
Chapter
Bits
15:8
®
provides the 82845GL\82845GV ballout arranged alphabetically by signal name. The
as No Connect (NC).
3. are not in the 82845GL/82845GV. For the 82845GL/82845GV, these register address
82845GL\82845GV GMCH Ballout
Next_Pointer. This field has the value A0h pointing to the next capabilities register, AGP
Capability Identifier Register (ACAPID). Since AGP is disabled (IGDIS = 0), this becomes the last
pointer in the device, and it is set to 00h signifying the end of the capabilities linked list.
Section
4.5.2.2, Synchronous Display with the following:
E4h–E8h
0x_x105_A009h
RO
40 bits
Description
Intel
®
82845GL/82845GV GMCH
Chapter 7
is that the AGP
186
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