56 CP9*, CR9*, CT9* Celeron M/Pentium M
Publication No. HRMCP9 Rev. B
7.11 Parallel Interface
The parallel port is fully compatible with the new IEEE 1284 standard, including
level 2 support. The parallel ports consist of an Enhanced Parallel Port (EPP1.7/1.9)
and an Extended Capabilities Port (ECP 16-Byte FIFO + DMA support). The new
modes allow higher transfer rates up to 1 MByte/s. Via BIOS Setup, the operating
modes of the parallel interface can be selected. The following modes are supported:
Table 7-2 Parallel Interface Options
Mode
Average transfer rate
Average transfer rate
Read
Write
Standard
100 KByte/s
200 KByte/s
EPP
1 MByte/s
1 MByte/s
ECP
1 MByte/s
1 MByte/s
On a standard PC, three address areas are defined for a parallel interface. The
parallel interface is I/O-mapped and can occupy three address ranges. The address
range $3BC cannot be used with EPP operation.
7.12 Floppy Controller
The CR9 floppy controller is fully compatible with the PC8477, containing a superset
of the NEC uPD72065B and the N82077AA. The floppy controller uses various I/O
addresses in the PC I/O address space.
7.13 Graphics Controller
The Graphic Controller NVIDIA
®
GeForce™ 4 420 Go used in versions 2.x has the
following features:
•
Highly integrated Flat Panel and CRT GUI
•
Max. pixel clock 350 MHz
•
Dual Independent Display for CRT front and CRT/Flat Panel rear
•
CRT resolution up to 1600x1200, DVI up to 1024x768
NOTE
Termination resistors for the RGB lines are on the CR9 board for both front and rear interfaces.
At higher resolutions, the cable and connectors have great influence on picture
quality. Use very good quality cables and connectors or reduce resolution to get a
stable display of good quality. This is especially important for the highest resolution
of 1600 x 1200.
Содержание CR9 Series
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Страница 90: ...90 CP9 CR9 CT9 Celeron M Pentium M Publication No HRMCP9 Rev B Figure B 1 Mount PMC Board to CR9 ...