sandy_river_486
skiselev
Open-source 486 ATX Motherboard
Components (147)
| Reference | Value | Description |
|---|---|---|
| U1 | 8242KBD | |
| U3 | 74LS14 | |
| U4 | OPTi_82C602 | |
| U5 | 74LS157 | |
| U6 | 74LS07 | |
| U7,U67,U68 | 74F245 | |
| U9 | 74F138 | |
| U10,U810 | 74F08 | |
| U11 | 74F32 | |
| U12 | FDC37C655GT | |
| U13 | OPTi_82C895 | |
| U14 | SST39SF010A | |
| U15 | OPTI_82C611A | |
| U16 | Intel_P24T | |
| U17 | 93LC46C | |
| U19 | AD1816AJS | |
| U28 | LT1086-ADJ | |
| U61 | 74LS06 | |
| U69,U108,U301,U302 | 74F541 | |
| U101 | TGUI9440 | |
| U102-U105 | HY514260B_SOJ40 | |
| U106 | 27C256 | |
| U213,U214 | GD75232N | |
| U416 | RTL8019AS | |
| U418 | SST39SF040 | |
| U603 | 74HCT74 | |
| U604 | 74HCT14 | |
| U606 | LM7905_TO220 | |
| U607 | IDT514 | |
| U801,U806-U809 | 61C256-15 | |
| U802-U805 | 61C1024-20 | |
| BC1-BC33,BC36-BC38,C11-C25,C29-C36,C40,C41,C85-C88 | 0.1uF | |
| BT1 | CR2032 | |
| BUS1-BUS4 | BUSAT_HOST | |
| C8,C9 | 5pF | |
| C52 | 120pF | |
| C53,C143,C145,C146,C148,C165-C167 | 100nF | |
| C61,C62 | 22pF | |
| C81,C82 | 10pF | |
| C83,C84 | 0.01uF | |
| C89,C90,TC13 | 22uF | |
| C115-C119,C121 | C | |
| C120,C125,C126,C142,C144,C168,C601,TC1-TC4,TC6-TC12 | 10uF | |
| C140,C141 | 18pF | |
| C147 | 47nF | |
| C149,C150 | 560pF | |
| C151,C152,C602,C603 | 1uF | |
| C153,C154,C157,C158 | 1nF? | |
| C155,C156,C159,C160,C169,C170 | 10nF | |
| C161-C164 | 10nF? | |
| C221-C224 | 47pF | |
| C225,C226 | 20pF | |
| C640,C641 | ?pF | |
| D1,D2,D5 | 1N4148 | |
| F1-F3 | 1.1A | |
| FB1-FB10 | Ferrite_Bead | |
| J1 | Keyboard | |
| J2 | Mouse | |
| J3 | VGA | |
| J4 | Serial1 | |
| J5 | Parallel | |
| J6 | RJMG1BD3B8K1ANR | |
| J7 | Line In | |
| J8 | Mic In | |
| J9 | Line Out | |
| J10 | Game/MIDI | |
| J11 | ATX_POWER_20 | |
| J12 | Front Panel | |
| J13 | Serial2 | |
| J14 | Floppy | |
| J15 | Primary IDE | |
| J16 | Secondary IDE | |
| J17 | CD In | |
| J18 | Wave Table | |
| J22 | Keylock: Unlocked/Locked | |
| J301,J302 | Conn_SIMM72 | |
| JP1 | Display Select | |
| JP4 | 5V / 3.3V CPU Voltage | |
| JP6 | EMPI | |
| JP7 | OWS#/LRDYI# | |
| JP9 | Intel/Cyrix | |
| JP10 | SMI Enable | |
| JP11 | Reset Select | |
| JP12 | CPU Select 1 | |
| JP13 | FERR Select | |
| JP14 | Super I/O IRQ | |
| JP15 | IDE2 CFG | |
| JP16,JP17 | 82C611A Straps | |
| JP18 | Speaker | |
| JP19 | CPU Select 2 | |
| JP20 | STPCLK | |
| JP21,JP30 | CPU Select 3 | |
| JP23 | NMI/IGNNE# | |
| JP29 | 5V / Low CPU Voltage | |
| JP31 | 0WS#/LRDY# | |
| JP32,JP46 | CPU Select 4 | |
| JP33 | Jumper_3_Bridged12 | |
| JP35 | No wait / 1 wait | |
| JP37 | <= 33.3 MHz / > 33.3 MHz | |
| JP39 | Green Pwr | |
| JP41,JP51,JP52 | Jumper_2_Open | |
| JP45 | Low Voltage Select: 3.3V/3.45V/4V | |
| JP53 | Ready?! | |
| JP101 | Flash ROM Write Protect | |
| JP102 | IRQ12: Mouse/ISA | |
| JP117 | CPU Frequency | |
| JP213 | IDE1 CFG | |
| JP419 | Ethernet Configuration | |
| JP609 | -5V Source | |
| JP801 | One/Two Cache Banks | |
| JP802 | 8K/32K or 16K Tag Size | |
| JP803 | Cache A18 | |
| JP804 | Cache A17 | |
| JP805 | Cache A16 | |
| L1,L2 | 2.7uH | |
| LS1 | AT-1224TWTR | |
| R5,R21,R32,R36,R42,R43,R46,R48-R50,R61,R68,R77,R153,R154,R610,R611,R801-R803,RN10,RN21-RN24,RP1-RP6,RP8,RP12,RP17 | 10k | |
| R6,R7,R147-R150,R152,RN18 | 2.2k | |
| R8,R51,R59,R73,R74,R111,R134,R151,R201,RN16,RN19,RN20,RP7,RP9-RP11,RP13,RP15,RP16 | 4.7k | |
| R9,R19,R26,R30,R44,R45,R101,R107-R110,R116-R119,R125,R131,R132,R135 | 33 | |
| R11,R15,R17,R22,R24,R25 | 330 | |
| R12,R18 | 51 | |
| R13,R31,R33,R47,R63,R64,R67,R70,R133,R143-R146,R807,RN17,RP14 | 1k | |
| R35 | 100 | |
| R57 | 243 | |
| R58,R137-R139 | 150 | |
| R72,R76,R804,R805,RA9,RN301-RN305,RN801-RN803 | 22 | |
| R75,RA5 | 75 | |
| R81 | 1M | |
| R82 | 200 | |
| R83,R84,R612 | 470 | |
| R106 | 510 | |
| R141 | 47k | |
| R142 | 1.2k | |
| R155,R156 | 20k | |
| R806 | 10 | |
| SW1 | POWER | |
| SW2 | RESET | |
| TC14 | 220uF | |
| TP1 | GPCS# | |
| TP2 | DOZE# | |
| X1,Y2 | 14.31818MHz | |
| X2 | 33.333MHz | |
| X3,Y3 | 8MHz | |
| Y1 | 32768Hz | |
| Y4 | 20MHz | |
| Y5,Y6 | 24MHz |