Acer 700ed manuale d’uso

 System Board System Board 1-1 Thi s high-perf or manc e sys tem board supports both the 486-seri es and the I ntel Pent ium  m ic roprocessors. The board does not i ncl ude the CPU and t he second-lev el c ache. I nstead, i t accom m odates a separate board t hat carri es both the CP U and t he second-l ev el c ac he. Thi s feat ure al l ows[...]

1-2 Us er’s Guide 1.1 Maj or Com ponents The system board has the f ol l owing m ajor c om ponent s: • Four 72- pin SI MM socket s labeled B ank 0 and Bank 1 (t wo sockets com pri se one bank) • One CPU boar d sl ot • Fi v e 32-bi t EI SA ex pansi on slots supporti ng m aster/ slav e add- on cards • Three P CI loc al bus slots • 128/256[...]

System Board 1-3 1 COM 2 2 COM 1 3 Parall el port interface 4 Di ske tte d ri ve i nterfac e 5 IDE hard di sk dr ive i nt er f ace 6 Power connect or 1 (200/350- watt ) 7 SIMM sockets 8 Power connect or 2 (350- w att) 9 Wi de S CSI in terfa ce 10 Fast SCSI-2 inter f ac e 11 CPU board slot 12 Power LED connector 13 Hard di sk LED connector 14 Fan co[...]

1-4 Us er’s Guide 1.2 ESD Precautions Al ways obs er v e the f oll owing precauti ons bef ore i nstal li ng any system com ponent: 1. Do not rem ov e a board from its packagi ng unless you are ready to ins ta ll it. 2. W ear a w ri st grounding str ap bef ore handli ng el ectroni c com ponents. W r ist groundi ng straps are av ai l able at most e[...]

System Board 1-5 Tabl e 1-1 li sts the av ai labl e m emor y conf i gurati ons w hen t he system uses eit her an Int elDX4, P ent ium (5V ) , singl e- P ent ium (3. 3V), or a Penti um (3.3V-ALI ) CPU board. Table 1-1 Memory Conf igurations 1 Bank 0 Bank 1 Total S0 S1 S0 S1 Me mo r y 4 MB 4 MB 8 MB 4 MB 4 MB 4 MB 4 MB 16 MB 8 MB 8 MB 16 MB 8 MB 8 MB[...]

1-6 Us er’s Guide Model s us i ng the dual -Pent ium (3.3V ) CPU board, f our addit ional 72-pi n SIM M sockets are av ail able. W ith t he addit ional sockets, you can upgrade the m em ory up t o 256 MB using 32-MB SI MMs. Tabl e 1-2 li sts s om e of t he poss i bl e mem ory conf igur ati ons w hen a dual- P ent ium (3. 3V) CPU boar d i s instal[...]

System Board 1-7 Models using the Pent ium (3.3V-ECC) CPU board hav e two addit i onal 72- pin S IMM sockets. W it h the addi t ional socket s, you can upgrade the m em ory t o 192 MB using 32-MB SI MMs. Tabl e 1-3 li sts s om e of t he poss i bl e mem ory conf igur ati ons w hen a Penti um (3.3V - E CC) CP U boar d i s instal led. Banks 0 and 1 ar[...]

1-8 Us er’s Guide 1.3.2 In stalling SIM Ms Read the ESD precaut ions in sect ion 1.2 before pr oc eeding. Fol low these steps to instal l a S I MM: 1. Sl i p a SI M M at a 45 o angle i nto a socket wit h the com ponent si de f aci ng down. 2. Gent ly push the SI MM to a v ert ical posit ion unt il the pegs of the socket slip i nt o the hol es on [...]

System Board 1-9 1.3.3 Remov ing SI MMs Fol low these steps to rem ov e SI MMs: 1. Press t he holdi ng cl ips on both si des of t he SIMM outward to rel ease i t . 2. Push the SI M M downward to a 45 o angle. 3. Pul l the S I MM out of t he socket. 1.3.4 Recon figur ing th e Sy stem Reconf i gur e t he system af t er i nstal l i ng or rem ov ing SI[...]

1-1 0 U s er’s Guide 1.4 SCS I Feature The sys tem board f eatures a singl e-chi p SCSI host adapt er that adds SCS I I/O c apab ility to th e s ys te m. Th e c h ips et co n s is ts of a n onboard m icrocont roll er, bus m as ter i nterf ace cont roll er, and SCSI control lers. A 50-pin Fast SCSI-2 i nter f ace with 10 MB/ s transfer rate and a [...]

System Board 1-11 1.4.1 In stalling a Wide SCSI Daughter Board Fi gure 1-4 shows how to i nstall the W i de S CS I daughter boar d. Figure 1- 4 Inst alling a W ide SCSI Daughter B oar d 1.4.2 Using th e SCS I Featur e Fol low these steps to use the SCSI f eat ure: 1. Instal l a S CSI dev ice i n the system and connect it to t he SCS I int erf ace o[...]

1-1 2 U s er’s Guide 1.5 Jumper Settings You hav e t o change the j um per setti ngs on the system board when you upgrade t he CP U or r ec onf i gure t he system . Fol low these steps to change a j um per sett ing: 1. Rem ov e the j um per c ap f r om t he j um per. 2. Posit i on the j um per cap ov er the t wo pins f or t he desi r ed sett ing.[...]

System Board 1-13 Tabl e 1-4 l i sts t he system boar d jum pers and thei r corr esponding s etting s. Table 1-4 System Board Jumper Settings Jum per S etting Function JP1 1-2 * 2-3 Acer BI O S OEM BIOS JP2 1-2 2-3 * Password enable d Password disabled JP3 1-2 * 2-3 DMA re quest 1 (DRE Q1) DMA reque st 3 (DREQ3) JP4 1-2 * 2-3 DMA acknowle dge 1 (DA[...]

1-1 4 U s er’s Guide 1.6.1 Softwar e Er ror Messages Sof tware error messages are returned by your operat ing system or appli cat ion. These m essages typi cal ly occur af t er you boot t he operati ng s ystem or when you run your appl ic ati on. If y ou recei v e thi s type of m ess age, consul t your appl i cati on or operati ng system m anual [...]

System Board 1-15 Table 1-5 System Error Messages (continued) M essage Action Fix ed Disk 0 Erro r Che ck a ll ca ble c o nnectio ns. Repla ce fixe d disk. Fix ed Disk 1 Erro r Che ck a ll ca ble c o nnectio ns. Repla ce fixe d disk. Ke y bo ard Erro r or No Key bo a rd Conne cted C hec k an d c on n ec t t h e keyb oar d t o the syste m unit. Ke y[...]

1-1 6 U s er’s Guide 1.6.3 Corr ecting Er ror C ondition s As a general r ule, i f an er ror m es sage s ays " Press F1 to cont inue," i t is caused by a conf igurati on probl em , which can be easil y correct ed. An equi pm ent m al f uncti on i s m ore l i kel y to cause a f atal er r or , i .e. , an error t hat causes com pl ete syst[...]