MCUmall EPROM BIOS Chip Burner Forum
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 Using The Enhanced/Dual power Willem Programmer
 before programming anything rules

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T O P I C    R E V I E W
simeon Posted - 11/16/2009 : 17:43:17
USB power on dual power programmers
is ONLY ment for field programming from a usb supply
so programming eproms at 12v vpp and more over 6.250v vcc from 5v usb
isnt impossible but will mostly not work
becouse of insufficient current or voltage /current sag
from the usb port on a laptop in the field

so to program most chips that use other than vcc and vpp =5v
forget usb or stay in the car and use the tabs/fag lighter
for 13.8v {12v engine off} power to the main socket not usb {its useless to me i need this programmer indoors and for eproms {old ones }

use 12v vcc supply from a regulated wall wart
i use 15volts to be sure ... of vpp of older eprom

BEFORE you make a mistake

make sure of the programmer
your port setting
your drivers
your o/s
bascicaly the 'coms'

then simply use the programmers
front end apps test tools page and a datasheet if needed
for the chip your intending to flash

and MOST important a 3 digit LCD multimeter!!!

you can set your programmer up and check all the pins
on its blank programming socket

from the apps test programmer test page tick box regime

its NOT!! there for any other reason than using it FIRST
pre chip programmer insertion
no matter how many times you 'scan' the jumpers and dil sw blocks

before you screw up a chip or moan online !!!

so do it
in programming mode and read / varify mode
also blank check mode
all the tick boxes are plain to see

and lets face it

MR spock and also MR data would both turn in there grave
if you dont at least 'run a diagnostic' test 'this part works'
before you post for help

be logical
that is a fact...

and dont waist your chips {soldiers} in persute of glory
1   L A T E S T    R E P L I E S    (Newest First)
simeon Posted - 11/16/2009 : 17:53:02
for all things parallel
i use windows 98 plain vanila install
to an sd card

then boot from it
if you cant boot from sdcard or usb sdcard
then use win 98 on another small ide drive

win98 works best with no distractions
and a fat 32 partition
youll need to copy all images to it first
as win98 cant 'see' easily ntfs without a patch

keep it to usb sdcard if you can boot it
its fast enough and works fine

i use a bi-directional 25pin to 25pin dtype cable
for lpt to programmer

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