Disk/UART/RTC/NVR Daughter Board Parts List
| Ref/Desig
| Manuf.
| P/N
| Vendor
| Stock
| Description
|
| RESISTORS
|
| R1
| | | Anchor | | 10M ohm 1/8W 5% carbon resistor
|
| R2
| | | Anchor | | 330 ohm 1/8W 5% carbon resistor
|
| RP1
| | | Anchor | | 4.7K 6 pin 5 resistor SIP
|
| CAPACITORS
|
| C1, C2
| | | Anchor | | 22pf 0.1" 50V mono ceramic capacitor
|
| C3-C6
| | | Anchor | | 1uF 35V tantalum capacitor
|
| C7, C8
| | | | | 47uF 6V tantalum capacitor
|
| C9, C10
| | | | | unused
|
| C11-C17
| | | Anchor | | 0.1uF ceramic monolithic bypass capacitor (0.1" LS)
|
| SEMICONDUCTORS
|
| D1, D2, D3
| | 1N914 | Anchor | | Small signal switching diode
|
| D4
| Dialight | 555-2301 | Digi-Key | | Green 2mm LED (right angle PCB mount)26
|
| U1
| Atmel | ATF22V10CQZ | Digi-Key | | Flash GAL (quarter power)
|
| U2
| | 74HC245 | Anchor | | Octal bus transceivers
|
| U3
| | 74HC174 | Anchor | | Hex D flip flops w/clear
|
| U4
| Dallas | DS12887A | Jameco | | Nonvolatile RAM and Real Time Clock
|
| U5
| Maxim | MAX232 | Anchor | | RS232 Line Driver/Receiver
|
| U6
| | | | | unused
|
| U7
| | 16C450 | Anchor | | Asynchronous Communication Element (UART)
|
| U8
| | 74HC04 | Anchor | | Hex Inverter
|
| MISCELLANEOUS
|
| Y1
| | | Anchor | | 2.4576Mhz HC18 crystal
|
| J1
| CommConn | 1184-24G | STG | | 24 pin stacking bus connector
|
| J2
| GC/Waldom | 53856-5010 | Digi-key | WM18505 | Type I CF connector, SMT right angle top mount
|
| J3
| | | Anchor | DB9M | DB9 male PCB mount
|
| J4
| | | Anchor | | 40 pin 0.1" shrouded header (IDE)
|
|
| | | Anchor | | DIP16 machined pin IC socket
|
|
| | | Anchor | | DIP20 machined pin IC socket (0.300")
|
|
| | | Anchor | | DIP24 machined pin IC socket (0.300")
|
|
| | | Anchor | | DIP24 machined pin IC socket (0.600")
|
|
| | | Anchor | | DIP40 machined pin IC socket
|
| JP1-JP5
| | | Anchor | | 2 pin 0.1" header (jumper)
|
|
| | | Anchor | | Shorting plugs
|
|
| STG | ELFDISK-1B | | | Printed circuit board
|
