Alright, I am having a hard time figureing out what this out of memory error is all about, i have no leafs cutting into anything and i just defraged mh HD and i have plenty of space.  The only thing left is ram and i have 128mb and never have I had a problem with it.  It seems to run fine until it gets to make scales.  Here is the compiler notes:
** Executing...
** Command: Change Directory
** Parameters: C:\SIERRA\Half-Life
** Executing...
** Command: Copy File
** Parameters: "C:\SIERRA\Half-Life\valve\op4_forest_v2.map" "C:\SIERRA\Half-Life\valve\maps\op4_forest_v2.map"
** Executing...
** Command: C:\PROGRA~1\AZoner\hlcsg.exe
** Parameters: "C:\SIERRA\Half-Life\valve\maps\op4_forest_v2"
hlcsg v2.5.3 rel Custom Build 1.7 (Dec  9 2002)
Zoner's Half-Life Compilation Tools -- Custom Build
Based on code modifications by Sean 'Zoner' Cavanaugh
Based on Valve's version, modified with permission.
Submit detailed bug reports to (
merlinis@bigpond.net.au)
-----  BEGIN  hlcsg -----
Command line: C:\PROGRA~1\AZoner\hlcsg.exe C:\SIERRA\Half-Life\valve\maps\op4_forest_v2 
Entering C:\SIERRA\Half-Life\valve\maps\op4_forest_v2.map
Current hlcsg Settings
Name                 |  Setting  |  Default
---------------------|-----------|-------------------------
threads               [       1 ] [  Varies ]
verbose               [     off ] [     off ]
log                   [      on ] [      on ]
developer             [       0 ] [       0 ]
chart                 [     off ] [     off ]
estimate              [     off ] [     off ]
max texture memory    [ 4194304 ] [ 4194304 ]
priority              [  Normal ] [  Normal ]
noclip                [     off ] [     off ]
null texture stripping[      on ] [      on ]
clipnode economy mode [      on ] [      on ]
onlyents              [     off ] [     off ]
wadtextures           [      on ] [      on ]
skyclip               [      on ] [      on ]
hullfile              [    None ] [    None ]
min surface area      [   0.500 ] [   0.500 ]
brush union threshold [   0.000 ] [   0.000 ]
Using mapfile wad configuration
Wadinclude list :
[zhlt.wad]
106 brushes (totalling 637 sides) discarded from clipping hulls
CreateBrush:
10%...20%...30%...40%...50%...60%...70%...80%...90%... (1.56 seconds)
SetModelCenters:
10%...20%...30%...40%...50%...60%...70%...80%...90%... (0.00 seconds)
CSGBrush:
10%...20%...30%...40%...50%...60%...70%...80%...90%... (1.17 seconds)
Using Wadfile: \sierra\half-life\valve\opfor.wad
 - Contains 2 used textures, 3.17 percent of map (332 textures in wad)
Using Wadfile: \sierra\half-life\valve\halflife.wad
 - Contains 61 used textures, 96.83 percent of map (3116 textures in wad)
Using Wadfile: \sierra\half-life\valve\xtree.wad
 - Contains 0 used textures, 0.00 percent of map (32 textures in wad)
added 9 additional animating textures.
Texture usage is at 0.99 mb (of 4.00 mb MAX)
3.77 seconds elapsed
-----   END   hlcsg -----
** Executing...
** Command: C:\PROGRA~1\AZoner\hlbsp.exe
** Parameters: "C:\SIERRA\Half-Life\valve\maps\op4_forest_v2"
hlbsp v2.5.3 rel Custom Build 1.7 (Dec  9 2002)
Zoner's Half-Life Compilation Tools -- Custom Build
Based on code modifications by Sean 'Zoner' Cavanaugh
Based on Valve's version, modified with permission.
Submit detailed bug reports to (
merlinis@bigpond.net.au)
-----  BEGIN  hlbsp -----
Command line: C:\PROGRA~1\AZoner\hlbsp.exe C:\SIERRA\Half-Life\valve\maps\op4_forest_v2
Current hlbsp Settings
Name               |  Setting  |  Default
-------------------|-----------|-------------------------
threads             [       1 ] [  Varies ]
verbose             [     off ] [     off ]
log                 [      on ] [      on ]
developer           [       0 ] [       0 ]
chart               [     off ] [     off ]
estimate            [     off ] [     off ]
max texture memory  [ 4194304 ] [ 4194304 ]
priority            [  Normal ] [  Normal ]
noclip              [     off ] [     off ]
nofill              [     off ] [     off ]
null tex. stripping [      on ] [      on ]
notjunc             [     off ] [     off ]
subdivide size      [     240 ] [     240 ] (Min 64) (Max 512)
max node size       [    1024 ] [    1024 ] (Min 64) (Max 4096)
BSP generation successful, writing portal file 'C:\SIERRA\Half-Life\valve\maps\op4_forest_v2.prt'
3.58 seconds elapsed
-----   END   hlbsp -----
** Executing...
** Command: C:\PROGRA~1\AZoner\hlvis.exe
** Parameters: -fast "C:\SIERRA\Half-Life\valve\maps\op4_forest_v2"
g_fastvis = true
hlvis v2.5.3 rel Custom Build 1.7 (Dec  9 2002)
Zoner's Half-Life Compilation Tools -- Custom Build
Based on code modifications by Sean 'Zoner' Cavanaugh
Based on Valve's version, modified with permission.
Submit detailed bug reports to (
merlinis@bigpond.net.au)
-----  BEGIN  hlvis -----
Command line: C:\PROGRA~1\AZoner\hlvis.exe -fast C:\SIERRA\Half-Life\valve\maps\op4_forest_v2 
 821 portalleafs
2958 numportals
-= Current hlvis Settings =-
Name               |  Setting  |  Default
-------------------|-----------|-------------------------
threads             [       1 ] [  Varies ]
verbose             [     off ] [     off ]
log                 [      on ] [      on ]
developer           [       0 ] [       0 ]
chart               [     off ] [     off ]
estimate            [     off ] [     off ]
max texture memory  [ 4194304 ] [ 4194304 ]
max vis distance    [       0 ] [       0 ]
priority            [  Normal ] [  Normal ]
fast vis            [      on ] [     off ]
full vis            [     off ] [     off ]
BasePortalVis:
10%...20%...30%...40%...50%...60%...70%...80%...90%... (4.01 seconds)
average leafs visible: 481
g_visdatasize:81828  compressed from 84563
4.16 seconds elapsed
-----   END   hlvis -----
** Executing...
** Command: C:\PROGRA~1\AZoner\hlrad.exe
** Parameters: "C:\SIERRA\Half-Life\valve\maps\op4_forest_v2"
hlrad v2.5.3 rel Custom Build 1.7 (Dec  9 2002)
Zoner's Half-Life Compilation Tools -- Custom Build
Based on code modifications by Sean 'Zoner' Cavanaugh
Based on Valve's version, modified with permission.
Submit detailed bug reports to (
merlinis@bigpond.net.au)
-----  BEGIN  hlrad -----
Command line: C:\PROGRA~1\AZoner\hlrad.exe C:\SIERRA\Half-Life\valve\maps\op4_forest_v2
-= Current hlrad Settings =-
Name                | Setting             | Default
--------------------|---------------------|-------------------------
threads              [                 1 ] [            Varies ]
verbose              [               off ] [               off ]
log                  [                on ] [                on ]
developer            [                 0 ] [                 0 ]
chart                [               off ] [               off ]
estimate             [               off ] [               off ]
max texture memory   [           4194304 ] [           4194304 ]
priority             [            Normal ] [            Normal ]
vismatrix algorithm  [          Original ] [          Original ]
oversampling (-extra)[               off ] [               off ]
bounces              [                 1 ] [                 1 ]
ambient light        [ 0.000 0.000 0.000 ] [ 0.000 0.000 0.000 ]
maximum light        [           255.000 ] [           256.000 ]
circus mode          [               off ] [               off ]
smoothing threshold  [            50.000 ] [            50.000 ]
direct threshold     [            25.000 ] [            25.000 ]
direct light scale   [             2.000 ] [             2.000 ]
coring threshold     [             1.000 ] [             1.000 ]
patch interpolation  [                on ] [                on ]
texscale             [                on ] [                on ]
patch subdividing    [                on ] [                on ]
chop value           [            64.000 ] [            64.000 ]
texchop value        [            32.000 ] [            32.000 ]
global fade          [             1.000 ] [             1.000 ]
global falloff       [                 2 ] [                 2 ]
global light scale   [ 1.000 1.000 1.000 ] [ 1.000 1.000 1.000 ]
global gamma         [ 0.500 0.500 0.500 ] [ 0.500 0.500 0.500 ]
global light scale   [             1.000 ] [             1.000 ]
global sky diffusion [             1.000 ] [             1.000 ]
opaque entities      [                on ] [                on ]
sky lighting fix     [                on ] [                on ]
incremental          [               off ] [               off ]
dump                 [               off ] [               off ]
colour jitter        [       0.0 0.0 0.0 ] [       0.0 0.0 0.0 ]
monochromatic jitter [       0.0 0.0 0.0 ] [       0.0 0.0 0.0 ]
softlight hack       [   0.0 0.0 0.0 0.0 ] [   0.0 0.0 0.0 0.0 ]
diffuse hack         [                on ] [                on ]
spotlight points     [                on ] [                on ]
custom shadows with bounce light
                     [               off ] [               off ]
rgb transfers        [               off ] [               off ]
[Reading texlights from 'C:\PROGRA~1\AZoner\lights.rad']
[48 texlights parsed from 'C:\PROGRA~1\AZoner\lights.rad']
7235 faces
Create Patches : 64861 base patches
0 opaque faces
1534249 square feet [220931968.00 square inches]
11 direct lights
BuildFacelights:
10%...20%...30%...40%...50%...60%...70%...80%...90%... (174.53 seconds)
visibility matrix   : 250.8 megs
BuildVisLeafs:
10%...20%...30%...40%...50%...60%...70%...80%...90%... (722.22 seconds)
MakeScales: