ż PROM (OpenBoot PROM, OBP) ɾ ˾ƺ.
̱۸ , CD-ROM ؾϴ , root йȣ , ο ġ
νϰų Ȯؾ ϴ , ϴ Ѵ.
ý (sync ¿ ս )̳ ߿
STOP-A Ű PROM Եȴ.
1. ·
PROM ¿ ٰ · ؼ go ԷѴ.
ok go
2. ý
ok boot [ġ] [ɼ]
-r : reconfiguration. ̽ (/devices, /dev) . ο ġ ߰
-s : single. ̱۸ Ѵ. root н带
-v : verbose. Ѵ.
-a : ͷƼ Ѵ. ý ϸ(/etc/system)̳ (/kernel) ؼ
뿹)
ok boot -s : ̱ Ѵ.
ok boot cdrom : CD-ROM Ѵ.
ok boot cdrom -s : ̱ CD-ROM Ѵ.
ok boot -rv : ̽ 鼭 ڼ ϵ Ѵ.
3. SCSI
ġǾ ִ SCSI Ѵ. ߰ ġ Ȯ .
SCSI ν ġ Ŀ .
ok probe-scsi
ok probe-scsi-all
4. ȸ
ýۿ ش.
ok printenv
ok printenv
Parameter Name Value Default Value
oem-logo 2c 31 2c 2d 00 00 00 00 ...
oem-logo? false false
oem-banner
oem-banner? false false
output-device ttya screen
input-device ttya keyboard
sbus-probe-list 03 0123
keyboard-click? false false
keymap
ttyb-rts-dtr-off false false
ttyb-ignore-cd true true
ttya-rts-dtr-off false false
ttya-ignore-cd true true
ttyb-mode 9600,8,n,1,- 9600,8,n,1,-
ttya-mode 9600,8,n,1,- 9600,8,n,1,-
diag-file
diag-device net net
... ...
5. ȯ
ý ٲ۴. Ʈ printenv ؼ ִ.
ok setenv [Ķ] []
뿹)
ok setenv auto-boot? true : ok Ʈ ٷ ϵ Ѵ.
ÿ ʸ Ѵ.
ok setenv oem-banner truefeel test box
ok setenv oem-banner? true
6. ý ȸ
ok banner ÿ ʸ ش.
ok show-sbus ġ SBus ̽ ش.
ok .version boot PROM ¥ ش.
ok .enet-addr Ethernet address
7. PROM н
lilo н带 ִ ó, PROM н带 ־ ƹ CD-ROM ϰų
̱۸ ϴ ִ.
ok password
ok New password (only first 8 chars are used):
ok Retype new password: йȣ Է
(security level) Ѵ.
none PROM ɾ డϰ PROM н带 . default
command н ̴ "c" Ǵ "b"(continue, boot) ɸ 밡.
ٸ ϱ ؼ PROM н带 Է ؾ Ѵ.
full c ɾ password
ok setenv security-mode full
security-mode = XXXX level