Re: TRANSWARP-GS: White monitor screen at power-up.

[fmlin@icicle.winternet.com (Frank M. Lin)]

In article <Cxov1G.L3I@presby.edu>, Stephen Buggie <sebugg@presby.edu> wrote:
>             TRANSWARP-GS: DOES NOT WORK!              October 14, 1994
>             ============================
>             WHITE SCREEN AT POWER-UP --- NO FUNCTIONS ACTIVE
>             ------------------------------------------------
>
>I bought a Transwarp-GS used on the net, but it appears not to work.
>
>I carefully read the manual and followed all instructions.  I removed the
>CPU and installed the jumper in the CPU socket, and all pins inserted
>smoothly.  I instralled Transwarp in Slot #4.
>
>RESULT: totally white screen at power-up, and it would not boot. No disks
>would load.   The LED on top of the card glowed, indicating "Transwarp
>speed."

Totally white screen of white "checker flag" screen?  If it's the later, 
then TWGS can not locate the 816; it could be a few things.  Bad cabling
between TWGS & motherboard, or bad crystal oscillator.  

>Luckily, it appears that my motherboard is o.k.  I removed Transwarp-GS
>and reinstalled my standard CPU, and its o.k. again.  Passes the self-test.
>I really feared that the board would drag my motherboard or other cards
>with it.
>
It shouldn't cause any problems even if TWGS itself is bad.

>I am experienced at installing cards, and followed all the rules: discharge
>any static first by touching the power supply; all power off when 
>inserting or
>removing cards, etc.   I have installed two 8MHz Zip chips in IIe and IIc so
>I am experienced at handling chips.
>
>What could be the fault?   Here is my configuration:
>
>Slot 1:  parallel printer card
>Slot 2:  AE Datalink 2400 baud modem
>Slot 4: Sonic Blaster GS
>Slot 7: Apple SCSI Card Rev. C (for hard drive)
>Memory slot: RAM 4000 memory card with 4 megs.
>
You could remove anything any leave only the TWGS in to see...  It might've
been damaged in the first place.

>


--
Frank M. Lin
fmlin@winternet.com