Article View: alt.sys.mac.newuser-help
Article #149Re: Just wondering about viruses
From: Richard RUDEK
Date: Thu, 06 May 1999 00:00
Date: Thu, 06 May 1999 00:00
31 lines
2272 bytes
2272 bytes
Terje Mathisen <Terje.Mathisen@hda.hydro.com> wrote:
>Erik de Castro Lopo wrote:
>>
>> David. E. Goble wrote:
>> >
>> > Hi All;
>> >
>> > I do not understand, how can a software program in RAM destory
>> > hardware and data in ROM/PROM???
>> > --Regards : David. E. Goble
>> > goble@kin.on.net
>>
>> It can do this because the BIOS is stored in EEPROM : Electrically
>> Erasable Programmable Read Only Memory. This particular virus
>> erases the BIOS.
>
>Even though this is a technically correct answer, I'd still say that any
>PC which allows _all_ of the BIOS to be erased was designed to fail:
Indeed. Early versions required jumpers to enable FLASHing. This progressed
to a jumper being needed only to FLASH the boot block, and now it appears,
the jumper requirement has disappeared altogether.
It would be interesting to see wether such practices could be deemed as
malpractice, making the manufacturers liable to such losses.
__ __ _______________________________
//)) //)) | Richard RUDEK. MicroDek. | Hey, it's Friday night...
//\\ //\\ | Chatswood, Sydney. Australia. | C:\WORK> CD \
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10d683,8b3e5c24df691acc X-Google-Attributes: gid10d683,public X-Google-Thread: fe136,3231e0bfad520806 X-Google-Attributes: gidfe136,public X-Google-Thread: 114917,8b3e5c24df691acc X-Google-Attributes: gid114917,public From: x@invalid.zeta.org.au (Richard RUDEK) Subject: Re: Just wondering about viruses Date: 1999/05/06 Message-ID: <7gs4ou$a39$1@autumn.news.rcn.net> X-Deja-AN: 474727645 Approved: <johnfine@erols.com> References: <cgw-2904991819270001@10.0.2.15> <redgate-3004990957420001@192.168.1.2> <cgw-0105991140540001@10.0.2.15> <redgate-0205991003500001@192.168.1.2> <7gohtp$84h$6@autumn.news.rcn.net> <7gphhd$ld$15@autumn.news.rcn.net> <7gq3a1$jae$1@autumn.news.rcn.net> X-Mozilla-Status: 0801 X-Complaints-To: abuse@rcn.com X-Trace: 1qY+9vKFild72k4EzK1q/xzlUl76NgyN1V1ZGpnhK4A= Organization: Zeta Internet, http://www.zeta.org.au/ NNTP-Posting-Date: 6 May 1999 13:17:18 GMT Newsgroups: alt.sys.mac.newuser-help,aus.computers.ibm-pc,comp.lang.asm.x86