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MERA 9425: Różnice pomiędzy wersjami
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(Utworzono nową stronę "MERA 9425 jest pamięcią dyskową produkowaną w Fabryce Mierników i Komputerów (FMiK) w Warszawie, na licencji Control Data Corporation i jest funkcjonalnym odpowied...") |
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Wszystkie sygnały na interfejsie dyskowym: | |||
{| class="wikitable" | {| class="wikitable" | ||
! Pin | ! Pin !! Kierunek !! Symbol !! Funkcja | ||
|- | |- | ||
| A | | A || O || RC || Read Clock | ||
| B | |- | ||
| C | | B || I || WD || Write Data & Clock | ||
| D | |- | ||
| E | | C || O || RD || Read Data | ||
F | |- | ||
H | | D || - || GND || Ground | ||
J | |- | ||
K | | E || ? || RG || Read Gate | ||
L | |- | ||
M | | F || O || || Ready to Seek, Read or Write | ||
N | |- | ||
P | | H || I || WPTD || Write Protect Input | ||
R | |- | ||
S | | J || I || TA3 || Track Address 3 | ||
T | |- | ||
U | | K || ? || EG || Erase Gate | ||
V | |- | ||
W | | L || I || US1 || Select Unit 1 | ||
X | |- | ||
Y | | M || ? || || High Density Indication | ||
Z | |- | ||
AA | | N || I || TA1 || Track Address 1 | ||
BB | |- | ||
CC | | P || O || WRPR || Write Protect Status Indication | ||
DD | |- | ||
EE | | R || I || US2 || Select Unit 2 | ||
FF | |- | ||
HH | | S || O || || Pseudo Sector-Mark | ||
JJ | |- | ||
KK | | T || I || TA6 || Track Address 6 | ||
LL | |- | ||
MM | | U || O || || File Ready | ||
NN | |- | ||
PP | | V || I || US3 || Select Unit 3 | ||
RR | |- | ||
SS | | W || O || SEC || Sector Mark | ||
TT | |- | ||
UU | | X || I || TA4 || Track Address 4 | ||
VV | |- | ||
WW | | Y || O || IND || Index Mark | ||
XX | |- | ||
| Z || I || US4 || Select Unit 4 | |||
|- | |||
| AA || I || HS || Head Select | |||
|- | |||
| BB || I || TA7 || Track Address 7 | |||
|- | |||
| CC || O || SA0 || Sector Address 0 | |||
|- | |||
| DD || - || GND || Ground | |||
|- | |||
| EE || || WG || Write Gate | |||
|- | |||
| FF || I || TA5 || Track Address 5 | |||
|- | |||
| HH || ? || || Write Check | |||
|- | |||
| JJ || O || SA1 || Sector Address 1 | |||
|- | |||
| KK || O || SA2 || Sector Address 2 | |||
|- | |||
| LL || I || TA0 || Track Address 0 | |||
|- | |||
| MM || O || SA3 || Sector Address 3 | |||
|- | |||
| NN || ? || || Address Acknowledge | |||
|- | |||
| PP || ? || || Daisy Chain Cable Terminator +5V | |||
|- | |||
| RR || I || TA2 || Track Address 2 | |||
|- | |||
| SS || ? || || Strobe | |||
|- | |||
| TT || O || || Seek Incomplete | |||
|- | |||
| UU || O || SA4 || Sector Address 4 | |||
|- | |||
| VV || I || RTZS || Restore | |||
|- | |||
| WW || - || GND || Ground | |||
|- | |||
| XX || ? || || Logical Address Interlock | |||
|} | |||