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1.1 ! root 1: Date: Mon, 16 Feb 87 15:04:41 EST ! 2: From: [email protected] (David Katinsky) ! 3: To: [email protected] ! 4: Subject: 3b2 procedure to raise MAXMEM ! 5: ! 6: Below is the procedure I followed to allow enough memory for GnuEmacs to run ! 7: on my 3b2/400. The end result of this is that a process can snarf up to 2Mb ! 8: of memory. This can be a bit dangerous on a 2Mb machine, but I tried it and ! 9: it worked ok. ! 10: ! 11: ------------------------------------------------------------------------------- ! 12: ! 13: In the simplest case, these are the procedures to reconfigure a 3bx kernel. ! 14: ! 15: ! 16: ! 17: 1] cd /etc/master.d ! 18: ! 19: `ls` shows the files to be: ! 20: ! 21: README ctc* hdelog idisk ipc iuart kernel mau ! 22: mem msg ports* prf sem shm stubs sxt ! 23: sys xt ! 24: ! 25: 2] Edit the file which contains the parameter[s] you wish to change. ! 26: In the following excerpt from /etc/master.d/kernel the value MAXMEM ! 27: was raised from 256 to 1024. ! 28: ! 29: In V.3.0 and later releases, the parameter in question is MAXUMEM ! 30: instead of MAXMEM. ! 31: ! 32: ! 33: * ! 34: * The following entries form the tunable parameter table. ! 35: * ! 36: ! 37: ! 38: NCALL = 30 ! 39: NPROC = 60 ! 40: NTEXT = 58 ! 41: NCLIST = 188 ! 42: * maxmem is number of pages (2K) was 256 --dmk ! 43: MAXMEM = 1024 ! 44: MAXUP = 25 ! 45: * hashbuf must be a power of 2 ! 46: NHBUF = 128 ! 47: NPBUF = 8 ! 48: ! 49: 3] cd /boot ! 50: ! 51: 4] mkboot -k KERNEL ! 52: ! 53: 5] shutdown -i5 -g0 -y ! 54: ! 55: This will take the machine down and bring it back up into firmware ! 56: mode. When you see that the machine has reached this state, type the ! 57: firmware password (default=mcp). The machine will ask for the name of ! 58: a program to execute. At this prompt enter /etc/system . The machine ! 59: should start to boot and display its configuration data. ! 60: ! 61: ! 62: ! 63: 8701271222 dmk ! 64: ! 65: [[email protected]] ! 66: ------------------------------------------------------------------------------- ! 67: ! 68: ! 69: ! 70: I do not feel that having the default firmware password is a ! 71: problem... but if you wish to edit it out, feel free. ! 72: ! 73: dmk ! 74: ! 75:
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