File:Dell System 325P Mainboard.jpg
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Summary[edit]
DescriptionDell System 325P Mainboard.jpg |
English: Dell System 325P mainboard. |
Date | |
Source | Own work |
Author | Appaloosa |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
Annotations InfoField | This image is annotated: View the annotations at Commons |
Western Digital VGA-Device WDC90C11
VGA-RAM
VGA-RAM extension (installed)
80486DX CPU
VGA-BIOS as EPROM
Mainboard-BIOS as EPROM
4x RAM-Sockets
PS/2 SIMM
ISA bus single slot
(can use riser cards)
ISA cards are parallel connected one by one each pin
Floppy disc drive interface (FDD)
supports two drives also floppy disk streamers for data backup
IDE ATA interface
buzzer (substitutes the PC speaker)
DC inputs (from AT compatible power supply unit)
ferrite line filters for LPT (Line PrinTer) port
LPX standard arranged ports
- PS/2-Keyboard
- PS/2-Mouse
- COM1
- COM2
- LPT
- VGA
Socket for Math Coprocessor (if neccessarry) (the installed 486DX already contains this unit)
CMOS battery connector
fuse for 5V on PS/2 ports
RS-232 signal voltage converter need -12 V and +12 V DC input
32.768 kHz quartz for Real Time Clock (RTC)
50 Mhz quartz oscillator this frequncy is being divided down for other CPUs and bus systems
the chipset in four devices
Jumpers to enable and configure the on board devices
VGA RAM-DAC device
one of 6 screwmounts connected to 0V - GND
Motorola Floppy Disk Controller MCS3201
24 MHz Quartz for Floppy Disk Controller
2x 74245 IDE port bidirectional bus drivers
Low Pass Filter for VGA red, green, blue , H-Sync, V-Sync
VGA feature port
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:41, 30 March 2009 | 2,259 × 1,422 (1.55 MB) | Appaloosa (talk | contribs) | ||
23:22, 27 March 2009 | 2,094 × 1,179 (1.14 MB) | Appaloosa (talk | contribs) | {{Information |Description={{en|1=Dell System 325P mainboard.}} |Source=Own work by uploader |Author=Appaloosa |Date=2009/03/28 |Permission= |other_versions= }} <!--{{ImageUpload|full}}--> Category:Computer motherboards |
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